{ "version": "1.0", "schema": "https://entitymap.org/spec/v1.0", "verificationStatus": "self-declared", "publisher": { "name": "Martens Heating & Cooling ", "url": "https://martensheating.com" }, "generated": "2026-06-30T09:02:35Z", "entities": [ { "entityId": "e_001", "@type": "Organization", "name": "Martens Heating & Cooling", "alternateName": "Marten's Heating & Cooling", "description": "Martens Heating & Cooling is a family-owned HVAC service provider based in Omro, Wisconsin, serving the Fox Cities area of Northeastern Wisconsin since the 1970s. Founded by Dean Martens and now led by second-generation owner Jason Martens, the company specializes in heating, air conditioning, and indoor air quality for residential and commercial customers. 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Based in Omro, Wisconsin, we specialize in heating, air conditioning, and indoor air quality. Founded by Dean Martens in the 1970s, Marten's remains a family-owned business with second-generation owner Jason Martens at the helm.", "sourceUrl": "https://martensheating.com/about-us", "pageTitle": "About Us - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:06:12Z", "relevanceScore": 1, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_011", "text": "Martens Heating & Cooling has proudly earned Bryant's Circle of Champions Award four years in a row, placing the team among the top 3% of Bryant dealers nationwide. The recognition reflects a commitment to quality workmanship, customer care, and continued training. Martens is a factory authorized Bryant dealer, and all factory authorized dealers are certified through North American Technician Excellence (NATE®).", "sourceUrl": "https://martensheating.com/about-us", "pageTitle": "About Us - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:06:12Z", "relevanceScore": 0.92, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_069", "text": "In the 1970s, our founder, Dean Martens, began working as a service tech for Larsen Coop and found that he enjoyed working in the HVAC field. Dean built Martens Heating & Cooling as a transparent and honest HVAC company. Today, Jason Martens prides himself on being the 2nd generation owner, and the company has no intention of moving away from its family business model.", "sourceUrl": "https://martensheating.com/our-history", "pageTitle": "Our History - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:13:30Z", "relevanceScore": 0.92, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_001", "text": "Martens Heating & Cooling has been a leading HVAC service provider in the Fox Cities area since 1976. As a family-owned business, we provide HVAC installations, repairs, and maintenance with a focus on quality and cutting-edge, customized heating and cooling solutions.", "sourceUrl": "https://martensheating.com", "pageTitle": "Fox Valley, WI HVAC Contractor Near You - Emergency Heating and Cooling - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:05:16Z", "relevanceScore": 0.98, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_068", "text": "For the past 50+ years, Martens Heating & Cooling has been crafting comfort for every season. As a family-owned business in Omro, Wisconsin, we remain committed to bringing the best HVAC solutions to our neighbors, friends, and family in the Fox Cities area now and for decades more to come.", "sourceUrl": "https://martensheating.com/our-history", "pageTitle": "Our History - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:13:30Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_002", "@type": "Service", "name": "HVAC Installation, Repair & Maintenance Service", "description": "Martens Heating & Cooling's core service offering encompasses installation, repair, and scheduled maintenance of heating, ventilation, and air conditioning systems for residential, rental, and commercial clients across Northeastern Wisconsin. The service includes emergency same-day response, annual furnace and air conditioning maintenance plans, and new system installations including furnaces, central AC units, boilers, dehumidifiers, and ductwork. 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When it was discovered that a replacement was needed, they got one put in ASAP. Ryan, service technician, was extremely nice and professional. I highly recommend Martens Heating and Cooling.", "sourceUrl": "https://martensheating.com", "pageTitle": "Fox Valley, WI HVAC Contractor Near You - Emergency Heating and Cooling - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:05:16Z", "relevanceScore": 0.85, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_005", "text": "They have a great yearly maintenance plan and are always efficient. They also go the extra step if they see something that can be improved with your setup. Martin's heating and cooling not only met all of my needs. They exceeded them. They were called on a Wednesday, by Thursday they were at my house with a diagnosis, and by Friday I had a furnace installed.", "sourceUrl": "https://martensheating.com", "pageTitle": "Fox Valley, WI HVAC Contractor Near You - Emergency Heating and Cooling - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:05:16Z", "relevanceScore": 0.88, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_006", "text": "Couldn't be happier with this company. They are fast, communicate well and know what they are talking about. Had to replace our AC — in a little over a week a new air conditioner with humidifier and purifier was put in. Was installed and cooling the entire house in less than one day. Marten's did a fantastic job! They were prompt and efficient with our furnace install.", "sourceUrl": "https://martensheating.com", "pageTitle": "Fox Valley, WI HVAC Contractor Near You - Emergency Heating and Cooling - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:05:16Z", "relevanceScore": 0.83, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_056", "text": "HVAC refers to a comprehensive system that includes heating, ventilation, and air conditioning components, encompassing a range of technologies and devices designed to regulate indoor temperature, air quality, and humidity. On the other hand, a furnace is a specific heating device within the HVAC system responsible for generating heat. Furnaces can use various fuel sources, such as natural gas, electricity, or oil, to produce warm air that is then distributed throughout a building via ductwork.", "sourceUrl": "https://martensheating.com/frequently-asked-questions-about-hvac-units", "pageTitle": "Frequently Asked Questions About HVAC Units - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:38Z", "relevanceScore": 0.85, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_003", "@type": "Service", "name": "Furnace Repair & Emergency Heating Service", "description": "Furnace Repair & Emergency Heating Service is a core offering of Martens Heating & Cooling, providing 24/7 repair and maintenance for residential and commercial furnaces, boilers, hydronic heating systems, and in-floor radiant heating in the Fox Cities area of Northeastern Wisconsin. Martens Heating & Cooling's experienced technicians are fully licensed and insured, responding to emergency no-heat calls day, night, weekends, and holidays. Services include diagnostics, free estimates, forced air furnace repair, boiler repair, ductwork repair, and in-floor radiant heating system service. The company has been performing furnace repair services in Omro, Oshkosh, Appleton, and surrounding areas since 1976.", "sameAs": "https://en.wikipedia.org/wiki/Furnace", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" } ], "hasChunks": [ { "chunkId": "c_007", "text": "When the chill of a Wisconsin winter sets in, a reliable furnace is essential for both comfort and safety. Martens Heating & Cooling provides fast and efficient furnace repair services when needed most, including 24/7 emergency furnace repair covering late nights, weekends, and holidays. Their experienced furnace repairmen are always on call and ready to help with 24-hour furnace repairs.", "sourceUrl": "https://martensheating.com/furnace-repair", "pageTitle": "24 Hour Furnace Repair & Maintenance - Emergency No Heat - Boiler Repairs & Service - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:05:52Z", "relevanceScore": 0.97, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_008", "text": "Martens Heating & Cooling specializes in servicing and repairing forced air furnaces, boilers and hydronic heating systems, and in-floor radiant heating systems. Services range from routine maintenance to complex repairs and emergency response. Their technicians are trained to work on various models and brands, ensuring efficient operation and consistent heating across residential and commercial properties.", "sourceUrl": "https://martensheating.com/furnace-repair", "pageTitle": "24 Hour Furnace Repair & Maintenance - Emergency No Heat - Boiler Repairs & Service - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:05:52Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_009", "text": "Martens Heating and Cooling have been performing furnace repair services in Omro, Oshkosh, Appleton, and the surrounding areas since 1976. Their experienced technicians are fully licensed, insured, and committed to providing customers with the best possible service. Free estimates are offered, and the team addresses everything from whistling or banging noises to lack of hot water, significant bill increases, and complete furnace failures.", "sourceUrl": "https://martensheating.com/furnace-repair", "pageTitle": "24 Hour Furnace Repair & Maintenance - Emergency No Heat - Boiler Repairs & Service - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:05:52Z", "relevanceScore": 0.93, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_032", "text": "At Martens Heating & Cooling, our experts offer a full range of furnace and boiler repair services, including 24/7 emergency repairs, inspections and diagnostics, replacing faulty parts, system tune-ups, and more. We'll help you stay on top of regular maintenance to increase the life of your heating system and save you from costly repairs, replacement parts, and replacement units in the future.", "sourceUrl": "https://martensheating.com/heating", "pageTitle": "Furnace Installation - Furnace & Boiler Sales - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:49Z", "relevanceScore": 0.92, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null }, { "entityId": "e_004", "@type": "Service", "name": "Air Conditioner Repair & Maintenance Service", "alternateName": "AC Repair Service", "description": "Air Conditioner Repair & Maintenance Service is a core offering of Martens Heating & Cooling, providing diagnostics, repair, installation, replacement, and preventative maintenance for residential and commercial air conditioning systems across the Fox Cities and Northeastern Wisconsin area. The service covers central air conditioning, ductless AC units, and includes comprehensive tune-ups, inspections, and 24/7 emergency repair. Martens Heating & Cooling has served the Omro, Oshkosh, Appleton, and surrounding areas since 1976 with fully licensed and insured technicians.", "sameAs": "https://en.wikipedia.org/wiki/Air_conditioning", "relations": [ { "predicate": "INCLUDES", "targetName": "AC Spring Tune-Up Service", "targetId": "e_010" }, { "predicate": "INCLUDES", "targetName": "Air Conditioner Replacement Service", "targetId": "e_006" }, { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" } ], "hasChunks": [ { "chunkId": "c_022", "text": "Martens Heating & Cooling provides preventative AC maintenance to keep homes and businesses cool and energy bills low. Regular maintenance on your air conditioning unit ensures it runs efficiently when temperatures rise across Northeast Wisconsin. A professional AC inspection at least once a year is recommended to prevent major issues when the heat really sets in.", "sourceUrl": "https://martensheating.com/air-conditioner-maintenance", "pageTitle": "Air Conditioner Maintenance - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:07:47Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_019", "text": "Martens Heating & Cooling offers air conditioner repairs, installation, replacement, and maintenance with 40+ years of experience across many different air conditioning options. Headquartered in Omro, Wisconsin, Martens serves the Fox Valley area as the go-to company for all things cooling, providing trusted and reliable cooling solutions.", "sourceUrl": "https://martensheating.com/air-conditioning", "pageTitle": "Air Conditioning Installation - AC Installers - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:07:32Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_014", "text": "Martens Heating & Cooling handles a full range of AC repair issues including frozen coils, low refrigerant levels, failed capacitors, electrical faults, and malfunctioning outside fans. The team also excels in repairing ductless mini-split systems, offering quick and reliable solutions for targeted cooling. 24-hour emergency service is available to restore comfort as quickly as possible.", "sourceUrl": "https://martensheating.com/ac-repair", "pageTitle": "Air Conditioner Repair Service - AC Repairs - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:06:34Z", "relevanceScore": 0.92, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_024", "text": "Comprehensive AC tune-ups from Martens Heating & Cooling can prevent costly repairs, improve energy efficiency, and extend the life of your system. The service includes inspecting the entire air conditioning unit to identify and address potential issues before they become major problems, and testing the entire system to ensure it operates at peak performance providing consistent cooling throughout the home.", "sourceUrl": "https://martensheating.com/air-conditioner-maintenance", "pageTitle": "Air Conditioner Maintenance - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:07:47Z", "relevanceScore": 0.90, "contentType": "procedure", "audienceType": "general" }, { "chunkId": "c_023", "text": "Martens Heating & Cooling's experienced technicians can handle all types of central air conditioning maintenance and repairs, from minor fixes to major overhauls, quickly diagnosing issues and providing efficient solutions to restore performance. If a ductless AC unit isn't working properly, they offer prompt and reliable repair services to ensure the system provides consistent comfort.", "sourceUrl": "https://martensheating.com/air-conditioner-maintenance", "pageTitle": "Air Conditioner Maintenance - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:07:47Z", "relevanceScore": 0.92, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_007", "@type": "Service", "name": "Furnace Installation & Replacement Service", "alternateName": "Furnace Install Service", "description": "Furnace Installation & Replacement Service is a specialized offering from Martens Heating & Cooling covering the selection, removal of old units, and installation of new furnaces and boilers for residential properties in the Fox Valley region of Wisconsin. The service includes customized ductwork fabrication, Bryant forced air furnace options in multiple models and efficiency ratings, boiler systems, and in-floor radiant heat solutions. Martens has earned Bryant's Circle of Champions Award four years in a row in recognition of its installation quality.", "sameAs": "https://en.wikipedia.org/wiki/Furnace", "relations": [ { "predicate": "INCLUDES", "targetName": "Custom Furnace Ductwork Fabrication", "targetId": "e_008" }, { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" } ], "hasChunks": [ { "chunkId": "c_028", "text": "At Martens Heating & Cooling, we offer an impressive selection of Bryant forced air furnaces. With different models, sizes, efficiency ratings, and prices, we can customize solutions to the needs of every client. Martens has earned Bryant's Circle of Champions Award four years in a row, recognizing our commitment to quality furnace installation, service, and customer care.", "sourceUrl": "https://martensheating.com/heating", "pageTitle": "Furnace Installation - Furnace & Boiler Sales - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:49Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_029", "text": "For situations where no ductwork is present in a home, Martens Heating & Cooling offers many boiler options to keep you warm. In-floor heat is provided by hot water and is an excellent choice for new builds and existing structures. This option feels amazing under your feet, especially on the coldest Wisconsin mornings.", "sourceUrl": "https://martensheating.com/heating", "pageTitle": "Furnace Installation - Furnace & Boiler Sales - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:49Z", "relevanceScore": 0.88, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_030", "text": "Martens Heating & Cooling offers flexible financing options through Wells Fargo to make furnace and heating system purchases more manageable. Financing plans are designed to fit your budget, allowing you to enjoy the benefits of a new, efficient heating system without financial strain.", "sourceUrl": "https://martensheating.com/heating", "pageTitle": "Furnace Installation - Furnace & Boiler Sales - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:49Z", "relevanceScore": 0.78, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_009", "@type": "PhysicalProduct", "name": "Ductless Mini-Split System", "alternateName": "Mini-Split AC", "description": "A Ductless Mini-Split System is a flexible heating and cooling product installed and serviced by Martens Heating & Cooling, consisting of an outdoor compressor/condenser unit connected to one or more indoor air-handling units via a small conduit in the wall. Unlike central forced-air systems, mini-splits require no ductwork, eliminating duct energy losses that can account for more than 30% of space conditioning energy consumption. Martens Heating & Cooling recommends mini-split systems as an energy-efficient option for older Wisconsin homes, home additions, finished basements, garages, room additions, small apartments, and whole-home zoning applications. Mini-splits operate similarly to heat pumps, providing both heating and cooling via refrigerant, and can achieve SEER ratings exceeding 30.", "sameAs": "https://en.wikipedia.org/wiki/Air_conditioning", "relations": [ { "predicate": "IMPROVES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018", "confidence": "declared" } ], "hasChunks": [ { "chunkId": "c_079", "text": "An outdoor compressor/condenser and indoor air-handling unit(s) are the two main components of a mini-split system. They're simple to install, requiring only a three-inch hole in the wall for the conduit, which contains the power and communication cables, copper tubing, and a condensation drain. Mini-split heat pumps are suitable to retrofit add-ons to houses with non-ducted heating systems, such as hydronic (hot water heat), radiant panels, and space heaters, as well as whole home or new constructions.", "sourceUrl": "https://martensheating.com/what-is-a-mini-split", "pageTitle": "What Is A Mini Split - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:14:43Z", "relevanceScore": 0.97, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_036", "text": "A Ductless Mini-Split Air Conditioner doesn't require ductwork. With mini-splits, each room or zone gets a wall-mounted indoor unit connected to a single outdoor condenser. Mini-split AC units are a great option for older homes, home additions, finished basements, garages, and other spaces that typically don't have ductwork.", "sourceUrl": "https://martensheating.com/3-types-of-air-conditioners-for-your-home-and-how-to-choose", "pageTitle": "Types of Air Conditioners: 3 Cooling Options for Wisconsin Homes | Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:09:42Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_080", "text": "Because mini-split systems have few to no ducts, they avoid the energy losses associated with central forced-air systems' ducting. Duct losses can account for more than 30% of space conditioning energy consumption, especially if the ducts are located in an unconditioned space like an attic or basement. Many versions can have up to four interior air handling units coupled to one outdoor unit, enabling zoning across four rooms or zones.", "sourceUrl": "https://martensheating.com/what-is-a-mini-split", "pageTitle": "What Is A Mini Split - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:14:43Z", "relevanceScore": 0.95, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_081", "text": "Whole-house air conditioners typically have a SEER rating of 22-23. The cooling capacity of a ductless mini-split system can exceed 30 SEER. The same can be said for HSPF (Heating Seasonal Performance Factor), where ductless systems are among the most energy-efficient equipment available. In terms of operation, mini-splits are most similar to heat pumps, providing electric cooling and heating by extracting or distributing heat via refrigerant.", "sourceUrl": "https://martensheating.com/what-is-a-mini-split", "pageTitle": "What Is A Mini Split - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:14:43Z", "relevanceScore": 0.93, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_082", "text": "Multiple indoor units can be linked to a single outdoor condenser in a ductless mini-split system, allowing heating and cooling of an entire home. This configuration enables zoning — a widely desired feature that allows homeowners to choose when, where, and how much they heat and cool specific rooms. Martens Heating & Cooling installs and services ductless mini-split air conditioners as part of its air conditioning service offering.", "sourceUrl": "https://martensheating.com/what-is-a-mini-split", "pageTitle": "What Is A Mini Split - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:14:43Z", "relevanceScore": 0.91, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_010", "@type": "Service", "name": "AC Spring Tune-Up Service", "alternateName": "AC Spring Maintenance", "description": "AC Spring Tune-Up Service is a seasonal preventive maintenance offering from Martens Heating & Cooling designed to prepare residential air conditioning systems for the cooling season before summer demand peaks. The service includes inspection of electrical components, refrigerant level checks, outdoor unit cleaning, airflow testing, and overall performance verification. Martens Heating & Cooling recommends scheduling this service annually, particularly for systems approaching the end of their useful life, to prevent breakdowns during the first hot days of summer across the Fox Cities area.", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" } ], "hasChunks": [ { "chunkId": "c_041", "text": "During a typical spring tune-up, a technician will inspect the electrical components, check refrigerant levels, clean the outdoor unit, test the system's performance, and make sure everything is operating safely and efficiently. Catching small issues early can make a big difference when temperatures start climbing later in the season.", "sourceUrl": "https://martensheating.com/ac-spring-tune-up", "pageTitle": "Is Your AC Ready for Spring? | Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:10:17Z", "relevanceScore": 0.95, "contentType": "procedure", "audienceType": "general" }, { "chunkId": "c_042", "text": "If your energy bills seemed higher than usual last summer, your air conditioner may have been working harder than it should. Dirty coils, clogged filters, or low refrigerant levels can all reduce efficiency. When your system has to run longer to cool the same space, that extra strain shows up on your energy bill.", "sourceUrl": "https://martensheating.com/ac-spring-tune-up", "pageTitle": "Is Your AC Ready for Spring? | Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:10:17Z", "relevanceScore": 0.88, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_043", "text": "By the time the first 85-degree day hits Wisconsin, HVAC companies across the Fox Cities are responding to emergency calls and system breakdowns. Getting your system checked early helps ensure everything is working properly before the summer rush begins. At Martens Heating & Cooling, we've been helping homeowners throughout the Fox Cities keep their homes comfortable for decades, servicing systems in Appleton, Oshkosh, Neenah, Menasha, Berlin, Ripon, and Winneconne.", "sourceUrl": "https://martensheating.com/ac-spring-tune-up", "pageTitle": "Is Your AC Ready for Spring? | Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:10:17Z", "relevanceScore": 0.85, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_048", "text": "Don't settle for a quick filter swap and call it a day. A thorough air conditioner inspection and maintenance visit from one of Martens Heating & Cooling's qualified Wisconsin HVAC technicians can spot potential issues and offer solutions before a major problem arises, ensuring your unit operates efficiently and doesn't have to work harder than necessary.", "sourceUrl": "https://martensheating.com/air-conditioner-maintenance-tips", "pageTitle": "Air Conditioner Maintenance Tips for WI Summers – Martens Heating and Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:10:36Z", "relevanceScore": 0.85, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_011", "@type": "Methodology", "name": "Air Conditioner Maintenance Tips", "description": "Air Conditioner Maintenance Tips is a recurring guidance framework published by Martens Heating & Cooling to help Wisconsin homeowners prepare their AC units for summer operation. The framework covers proactive steps including filter changes, debris clearing, thermostat checks, ductwork inspection, and unit wear-and-tear review. Martens Heating & Cooling recommends this approach to reduce emergency repair calls, lower utility bills, and extend the life of residential AC equipment in the Fox Cities area.", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "IMPROVES", "targetName": "HVAC Unit Lifespan & Maintenance", "targetId": "e_014", "confidence": "inferred" }, { "predicate": "IMPROVES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018", "confidence": "inferred" } ], "hasChunks": [ { "chunkId": "c_044", "text": "Before we head into the peak of summer, here are a few things our Wisconsin HVAC experts recommend you do to help maintain your air conditioner: change the air filter every 1–3 months; clear debris like leaves, twigs, and dirt from around your outdoor unit; check thermostat settings for summer operation; inspect ductwork for loose connections or signs of mold and dust; inspect the AC unit for wear and tear; and monitor for unusual noises, frequent cycling, warm air, or weak airflow.", "sourceUrl": "https://martensheating.com/air-conditioner-maintenance-tips", "pageTitle": "Air Conditioner Maintenance Tips for WI Summers – Martens Heating and Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:10:36Z", "relevanceScore": 0.97, "contentType": "procedure", "audienceType": "general" }, { "chunkId": "c_045", "text": "A proactive approach to air conditioner maintenance and repair in Wisconsin can save you time, money, and a whole lot of sweat. Minor wear and tear from previous use or critters nesting inside your unit during the winter months can turn into expensive problems if ignored. A clean, tuned-up AC runs more efficiently, which can reduce your utility bills.", "sourceUrl": "https://martensheating.com/air-conditioner-maintenance-tips", "pageTitle": "Air Conditioner Maintenance Tips for WI Summers – Martens Heating and Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:10:36Z", "relevanceScore": 0.91, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_046", "text": "Wisconsin HVAC companies, including the team at Martens Heating & Cooling, get swamped with emergency calls when that first big heatwave arrives. Scheduling spring maintenance ensures your unit gets attention before you have an AC breakdown and have to wait for service. A thorough air conditioner inspection and maintenance visit from a qualified Wisconsin HVAC technician can give you added peace of mind all summer long.", "sourceUrl": "https://martensheating.com/air-conditioner-maintenance-tips", "pageTitle": "Air Conditioner Maintenance Tips for WI Summers – Martens Heating and Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:10:36Z", "relevanceScore": 0.88, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_057", "text": "Ensure that the system's air filters are clean and replace them if necessary — clogged filters can contribute to freezing. Also, check for any obstructions around the unit, such as snowdrifts or debris, and clear them to facilitate proper airflow. Running the system in 'defrost mode,' if available, can also help melt ice buildup.", "sourceUrl": "https://martensheating.com/frequently-asked-questions-about-hvac-units", "pageTitle": "Frequently Asked Questions About HVAC Units - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:38Z", "relevanceScore": 0.78, "contentType": "procedure", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null }, { "entityId": "e_018", "@type": "Methodology", "name": "HVAC Energy Efficiency", "alternateName": "AC Efficiency", "description": "HVAC Energy Efficiency is a guidance methodology published by Martens Heating & Cooling addressing the common signs of energy waste in home HVAC systems and practical measures Wisconsin homeowners can take to reduce utility bills and system strain. Martens Heating & Cooling identifies key inefficiency indicators such as uneven cooling, long run cycles, unusual noises, and aging equipment over 10 years old. The methodology encompasses both self-check habits — filter replacement, smart thermostat scheduling, sealing gaps, and blocking direct sunlight — and professional interventions including ductwork evaluation, system sizing assessment, and high-efficiency equipment upgrades. It also covers practical techniques for reducing cooling costs during summer months, including behavioral adjustments, equipment maintenance habits, smart thermostat use, and home weatherization measures.", "sameAs": "https://en.wikipedia.org/wiki/Efficient_energy_use", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "LEADS_TO", "targetName": "Air Conditioner Replacement Service", "targetId": "e_006", "confidence": "inferred" }, { "predicate": "LEADS_TO", "targetName": "Air Conditioner Repair & Maintenance Service", "targetId": "e_004", "confidence": "inferred" } ], "hasChunks": [ { "chunkId": "c_066", "text": "Upgrading a 10-15 year old HVAC system to a high-efficiency system can lead to significant cost savings, primarily through reduced energy consumption. New, energy-efficient systems can lower heating and cooling bills by up to 20%. Many homes in the Fox Cities area have inefficient or poorly designed ductwork — Martens Heating & Cooling can evaluate airflow and recommend updates that reduce energy loss, improve temperature balance, and reduce utility bills.", "sourceUrl": "https://martensheating.com/is-your-hvac-system-wasting-energy", "pageTitle": "Is Your HVAC System Wasting Energy? - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:13:05Z", "relevanceScore": 0.95, "contentType": "statistic", "audienceType": "general" }, { "chunkId": "c_064", "text": "Small problems and minor inconveniences can turn into big emergency repair costs and potentially long down times during peak season. If something with your HVAC system doesn't feel right, it's important to be proactive. Uneven cooling is often a sign of airflow issues or leaky ductwork. An AC unit that constantly runs and has long cooling cycles can indicate poor insulation, dirty filters, or even an undersized unit for the size of your home.", "sourceUrl": "https://martensheating.com/is-your-hvac-system-wasting-energy", "pageTitle": "Is Your HVAC System Wasting Energy? - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:13:05Z", "relevanceScore": 0.92, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_071", "text": "Wisconsin summers can be sneaky, even lasting well into September. With a few smart strategies, you can stay cool and save money this summer. Recommended measures include closing curtains during peak heat, using ceiling fans to circulate air, opening windows on cooler mornings and evenings, and setting the thermostat to 78–80°F when away from home.", "sourceUrl": "https://martensheating.com/save-on-air-conditioning-summer-wi", "pageTitle": "10 Ways to Save on AC in Wisconsin - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:13:54Z", "relevanceScore": 0.90, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_065", "text": "Whenever possible, set schedules so your AC isn't cooling an empty home. Smart thermostats are especially beneficial in the summer months. Clean filters maintain strong airflow and reduce energy waste throughout the summer and all year round. Closing blinds or using UV-blocking shades can keep you cooler without having to rely on or adjust the AC. Gaps around your doors, windows, and ducts let cold air escape and hot air enter — properly sealing your Fox Cities home keeps the cool air inside.", "sourceUrl": "https://martensheating.com/is-your-hvac-system-wasting-energy", "pageTitle": "Is Your HVAC System Wasting Energy? - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:13:05Z", "relevanceScore": 0.88, "contentType": "procedure", "audienceType": "general" }, { "chunkId": "c_072", "text": "Changing the air filter every 1–3 months — especially during peak summer — is among the most impactful savings measures. When filters are dirty, airflow is restricted and the cooling system works harder, using more energy and reducing cooling power. A smart thermostat that learns your schedule prevents cooling an empty house and can earn utility rebates from some Wisconsin providers.", "sourceUrl": "https://martensheating.com/save-on-air-conditioning-summer-wi", "pageTitle": "10 Ways to Save on AC in Wisconsin - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:13:54Z", "relevanceScore": 0.88, "contentType": "procedure", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_005", "@type": "Service", "name": "Indoor Air Quality Control & Humidification Service", "alternateName": "IAQ Service", "description": "Indoor Air Quality Control & Humidification Service is a dedicated offering from Martens Heating & Cooling that encompasses humidification, dehumidification, advanced air filtration, and UV light installation for residential and commercial customers in the Fox Cities region of Wisconsin. Martens Heating & Cooling has provided indoor air quality solutions since 1976, drawing on regional climate expertise to address Wisconsin's dry winters and excess-moisture challenges. The service includes whole-house humidifiers, dehumidification systems, filter media cabinets that remove 10x more particulate than standard 1-inch filters, and UV light systems that reduce bacteria, mold, and viruses in indoor air.", "sameAs": "https://en.wikipedia.org/wiki/Indoor_air_quality", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" } ], "hasChunks": [ { "chunkId": "c_016", "text": "At Martens Heating & Cooling, we offer air quality services designed to create a healthier, more comfortable living environment for you and your family. With more than four decades serving customers in Wisconsin, we understand how the regional climate and other factors impact air quality and, in turn, your HVAC needs.", "sourceUrl": "https://martensheating.com/air-quality", "pageTitle": "Indoor Air Quality Control & Humidification - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:07:03Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_017", "text": "Having the proper humidity control in your home is essential during Wisconsin's dry winter in order to prevent dry skin, eye irritation, dry sinuses, damage to wood in your home, and cold and flu viruses. Quality air filters are crucial for removing airborne particles such as dust, pollen, viruses, and allergens. Our filter media cabinets remove 10x more particulate than a standard 1″ filter and traps pollen, mold, bacteria, and fungi.", "sourceUrl": "https://martensheating.com/air-quality", "pageTitle": "Indoor Air Quality Control & Humidification - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:07:03Z", "relevanceScore": 0.93, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_018", "text": "By installing UV lights, we help to reduce the presence of bacteria, mold, and viruses in your indoor air. Good air quality systems can enhance the overall efficiency of your HVAC system. By improving airflow and system performance, you'll reduce energy consumption and lower your utility bills.", "sourceUrl": "https://martensheating.com/air-quality", "pageTitle": "Indoor Air Quality Control & Humidification - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:07:03Z", "relevanceScore": 0.88, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_006", "@type": "Service", "name": "Air Conditioner Replacement Service", "alternateName": "AC Replacement Service", "description": "Air Conditioner Replacement Service is a specialized offering from Martens Heating & Cooling covering the full process of selecting, removing, and installing a new central air conditioning unit. Martens Heating & Cooling provides guidance on sizing, ductwork, and energy efficiency to match each home's square footage, layout, and budget. The service encompasses central AC systems, ductless mini-split installations, and custom ductwork fabrication through the company's in-house metal fabrication shop.", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" } ], "hasChunks": [ { "chunkId": "c_025", "text": "Martens Heating & Cooling specializes in AC replacement services year-round, from selecting the perfect unit to seamless installation. A new central air conditioning unit means lower bills, improved air circulation, and less humidity. Martens can replace an old, inefficient air conditioner with a new high-efficiency unit without financial stress, and also installs central air in homes that currently lack a system.", "sourceUrl": "https://martensheating.com/air-conditioner-replacement", "pageTitle": "Air Conditioner Replacement Services - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:09Z", "relevanceScore": 0.97, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_026", "text": "Signs it may be time to replace your air conditioner include: needing service more than once a year, rising energy bills caused by the unit struggling to cool the home, adding square footage that exceeds the unit's capacity, and age — the average lifespan of an AC unit is 10–20 years. As a unit approaches the 20-year mark, replacement rather than repair often becomes the only viable option.", "sourceUrl": "https://martensheating.com/air-conditioner-replacement", "pageTitle": "Air Conditioner Replacement Services - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:09Z", "relevanceScore": 0.92, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_027", "text": "Upgrading to a new air conditioning unit delivers energy savings, as modern units use advanced technology to achieve the same cooling with less energy. Newer models feature smart thermostats and variable-speed compressors that maintain even temperatures throughout a home or business. A new AC unit can also increase property appeal, attracting buyers with lower utility costs and reliable performance.", "sourceUrl": "https://martensheating.com/air-conditioner-replacement", "pageTitle": "Air Conditioner Replacement Services - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:09Z", "relevanceScore": 0.88, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_008", "@type": "Service", "name": "Custom Furnace Ductwork Fabrication", "alternateName": "Metal Fabrication Ductwork Service", "description": "Custom Furnace Ductwork Fabrication is a specialized service offered by Martens Heating & Cooling that leverages an in-house metal fabrication shop to design, build, and modify ductwork solutions tailored to individual HVAC system requirements. The service enables fully customized duct configurations for new installations or system upgrades, ensuring that heating and cooling distribution fits the structural needs of each property in the Fox Valley region.", "sameAs": "https://en.wikipedia.org/wiki/Metal_fabrication", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "ENABLES", "targetName": "Furnace Installation & Replacement Service", "targetId": "e_007" } ], "hasChunks": [ { "chunkId": "c_031", "text": "Martens Heating & Cooling can build completely customized furnace ductwork solutions for your HVAC needs. Their complete metal fabrication shop allows them to design and modify any new system so that it fits your needs, making fully tailored duct configurations possible for any property.", "sourceUrl": "https://martensheating.com/heating", "pageTitle": "Furnace Installation - Furnace & Boiler Sales - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:08:49Z", "relevanceScore": 0.87, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_012", "@type": "Methodology", "name": "Residential Heating System Selection", "alternateName": "Best Heating System for a House", "description": "Residential Heating System Selection is a decision-making framework published by Martens Heating & Cooling to help homeowners evaluate and choose the most efficient heating system for their specific climate and budget. The framework compares furnaces, heat pumps, boilers, geothermal heat pumps, and mini-split heat pumps using metrics such as AFUE rating, climate suitability, and long-term energy cost savings. Martens Heating & Cooling emphasizes that heating accounts for roughly 30% of average residential utility bills, making system choice a high-impact financial decision.", "relations": [ { "predicate": "INCLUDES", "targetName": "Annual Fuel Utilization Efficiency (AFUE)", "targetId": "e_013" }, { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "LEADS_TO", "targetName": "Furnace Installation & Replacement Service", "targetId": "e_007", "confidence": "declared" } ], "hasChunks": [ { "chunkId": "c_049", "text": "Heating costs account for roughly 30% of the average residential utility bill, more than any other system in the house, according to the U.S. Department of Energy. Installing an efficient heating system is a practical step; even if upgrading involves an initial investment, a more efficient system requires less energy to operate, resulting in lower heating bills and fewer furnace repairs.", "sourceUrl": "https://martensheating.com/best-heating-system-for-a-house", "pageTitle": "Best Heating System For A House - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:09Z", "relevanceScore": 0.92, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_050", "text": "Furnaces are the most energy-efficient heating solutions in cold climates, especially with natural gas. They heat air with a heat exchanger and force it through a duct system via a blower. Heat pumps are more efficient in moderate climates and serve as a dual-purpose heating and cooling system. Boilers heat water and distribute warmth through radiators, with natural gas boilers matching or exceeding furnace efficiency.", "sourceUrl": "https://martensheating.com/best-heating-system-for-a-house", "pageTitle": "Best Heating System For A House - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:09Z", "relevanceScore": 0.90, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_051", "text": "Geothermal heat pumps utilize the earth's renewable heat for effective and efficient heating, paying for themselves rapidly in hot or cold climates through lower energy expenses, though they are not cost-effective in moderate regions. Mini-split heat pumps, or ductless heat pumps, extract heat from the air and are most cost-effective in hot and humid conditions; newer devices can also operate in extremely cold temperatures.", "sourceUrl": "https://martensheating.com/best-heating-system-for-a-house", "pageTitle": "Best Heating System For A House - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:09Z", "relevanceScore": 0.85, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null }, { "entityId": "e_013", "@type": "Metric", "name": "Annual Fuel Utilization Efficiency (AFUE)", "alternateName": "AFUE", "description": "Annual Fuel Utilization Efficiency (AFUE) is the standard efficiency rating metric for heating systems, expressed as a percentage indicating how much of the energy consumed by a system is directly converted to heat. Martens Heating & Cooling identifies AFUE as the most essential piece of information when comparing heating systems such as furnaces, boilers, and heat pumps. A higher AFUE percentage indicates a more efficient system that results in lower operating costs for homeowners.", "sameAs": "https://en.wikipedia.org/wiki/Annual_fuel_utilization_efficiency", "relations": [ { "predicate": "MEASURES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018" } ], "hasChunks": [ { "chunkId": "c_052", "text": "The system's annual fuel utilization efficiency rating, or AFUE, is the most essential piece of information when evaluating heating systems. This percentage rate indicates how much of the energy the system consumes — typically electricity or natural gas — goes directly toward heating. When purchasing new heating equipment, contractors should provide energy fact sheets for different types, models, and designs to allow direct AFUE comparison.", "sourceUrl": "https://martensheating.com/best-heating-system-for-a-house", "pageTitle": "Best Heating System For A House - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:09Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null }, { "entityId": "e_014", "@type": "Methodology", "name": "HVAC Unit Lifespan & Maintenance", "alternateName": "HVAC Lifespan", "description": "HVAC Unit Lifespan & Maintenance is a guidance methodology published by Martens Heating & Cooling addressing the factors that determine how long heating, ventilation, and air conditioning systems last and how to extend their operational life. Martens Heating & Cooling notes that well-maintained central air conditioners, heat pumps, and furnaces typically last 15 to 20 years. Regular maintenance tasks such as filter replacement, refrigerant checks, and prompt minor repairs are identified as key drivers of longevity.", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "LEADS_TO", "targetName": "Furnace Installation & Replacement Service", "targetId": "e_007", "confidence": "inferred" } ], "hasChunks": [ { "chunkId": "c_053", "text": "The lifespan of an HVAC unit depends on many factors, including its type, usage, maintenance, and overall quality. On average, a well-maintained central air conditioner, heat pump, or furnace can last anywhere from 15 to 20 years. Regular maintenance, such as cleaning or replacing air filters, checking refrigerant levels, and addressing any minor issues immediately, can significantly extend the life of an HVAC unit.", "sourceUrl": "https://martensheating.com/frequently-asked-questions-about-hvac-units", "pageTitle": "Frequently Asked Questions About HVAC Units - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:38Z", "relevanceScore": 0.92, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_054", "text": "Technological advancements such as smart thermostats and energy efficiency improvements may influence the decision to replace an older unit with a more modern and efficient one before its natural end of life. Overworking the system can lead to premature wear and a shorter lifespan.", "sourceUrl": "https://martensheating.com/frequently-asked-questions-about-hvac-units", "pageTitle": "Frequently Asked Questions About HVAC Units - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:38Z", "relevanceScore": 0.82, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null }, { "entityId": "e_015", "@type": "PhysicalProduct", "name": "HVAC Condenser Unit", "alternateName": "Condensing Unit", "description": "The HVAC Condenser Unit is the outdoor component of an air conditioning or heat pump system, responsible for releasing heat absorbed from inside the building. Martens Heating & Cooling explains that the condenser unit contains the compressor and condenser coils, and plays a crucial role in the heat exchange process that allows the HVAC system to regulate indoor temperature. It typically sits adjacent to the building or on the roof and is a key element discussed in Martens Heating & Cooling's HVAC education resources.", "sameAs": "https://en.wikipedia.org/wiki/Condenser_(heat_transfer)", "relations": [ { "predicate": "PART_OF", "targetName": "HVAC Installation, Repair & Maintenance Service", "targetId": "e_002" } ], "hasChunks": [ { "chunkId": "c_055", "text": "The HVAC unit located outside is commonly referred to as the 'condenser unit' or 'condensing unit.' This essential component of the HVAC system is responsible for releasing heat absorbed from inside the building. In the case of an air conditioning system or a heat pump, the condenser unit contains the compressor and condenser coils. The condenser unit typically sits adjacent to the building or on the roof, and it plays a crucial role in the heat exchange process that allows the HVAC system to effectively regulate indoor temperature.", "sourceUrl": "https://martensheating.com/frequently-asked-questions-about-hvac-units", "pageTitle": "Frequently Asked Questions About HVAC Units - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:11:38Z", "relevanceScore": 0.90, "contentType": "definition", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null }, { "entityId": "e_016", "@type": "Service", "name": "Furnace Maintenance Service", "alternateName": "Furnace Tune-Up Service", "description": "Furnace Maintenance Service is a core preventive care offering from Martens Heating & Cooling, covering inspection, cleaning, and tune-up of residential and commercial furnaces across the Fox Valley and Northeastern Wisconsin. The service is designed to prevent unexpected breakdowns, improve energy efficiency, reduce safety risks from fire, carbon monoxide, and gas leaks, and extend furnace lifespan. Martens Heating & Cooling technicians are fully licensed and insured, and the service includes free estimates and 24/7 emergency repair availability.", "relations": [ { "predicate": "INCLUDES", "targetName": "Furnace Air Filter Installation", "targetId": "e_022" }, { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "PREVENTS", "targetName": "Furnace Repair & Emergency Heating Service", "targetId": "e_003" }, { "predicate": "IMPROVES", "targetName": "HVAC Unit Lifespan & Maintenance", "targetId": "e_014", "confidence": "inferred" } ], "hasChunks": [ { "chunkId": "c_058", "text": "Martens Heating & Cooling's furnace maintenance service provides inspection, cleaning, and tune-up of residential and commercial furnaces across the Fox Valley. A well-maintained furnace operates more efficiently, using less energy and saving money over time. A proactive approach minimizes emergency repairs and ensures the system is always ready when the cold creeps in.", "sourceUrl": "https://martensheating.com/furnace-maintenance", "pageTitle": "Furnace Maintenance In The Fox Valley - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:12:07Z", "relevanceScore": 0.97, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_059", "text": "Keeping your furnace in good working order minimizes safety risks from fire, carbon monoxide, and gas leaks. Warning signs that a service check is needed include unusual noises such as whistling, gurgling, or banging, unusual odors that may indicate a gas leak, unexplained spikes in energy bills, and a thermostat causing the system to switch on and off at unusual intervals.", "sourceUrl": "https://martensheating.com/furnace-maintenance", "pageTitle": "Furnace Maintenance In The Fox Valley - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:12:07Z", "relevanceScore": 0.93, "contentType": "evidence", "audienceType": "general" }, { "chunkId": "c_060", "text": "Martens Heating & Cooling has been serving Omro, Oshkosh, Appleton, and the surrounding Fox Valley area since 1976. Their experienced technicians are fully licensed and insured, offer 24/7 emergency furnace repair, free estimates, and tailored residential and commercial solutions for furnace maintenance regardless of system size.", "sourceUrl": "https://martensheating.com/furnace-maintenance", "pageTitle": "Furnace Maintenance In The Fox Valley - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:12:07Z", "relevanceScore": 0.91, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_017", "@type": "Methodology", "name": "Home Heat Loss Reduction", "alternateName": "Reducing Heat Loss", "description": "Home Heat Loss Reduction is a guidance methodology published by Martens Heating & Cooling addressing the common causes of heat loss in Wisconsin homes and the practical measures homeowners can take to reduce it. The methodology covers weatherstripping, window upgrades, smart thermostats, zoned heating, and controlled ventilation as interconnected strategies. Martens Heating & Cooling frames heat loss reduction as foundational to improving energy efficiency and home comfort across the Fox Cities area during cold winter months.", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "IMPROVES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018", "confidence": "declared" } ], "hasChunks": [ { "chunkId": "c_061", "text": "Heat loss occurs naturally. Warm air tends to escape through certain weak points in your house, including windows, doors, walls, and your roof, especially if these areas aren't well-insulated. Unsealed gaps around doors and windows are common culprits. Areas like attics or basements that lack insulation can also be prime sources of significant heat loss.", "sourceUrl": "https://martensheating.com/how-to-reduce-heat-loss-in-your-fox-cities-home", "pageTitle": "How to Reduce Heat Loss in Your Fox Cities Home - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:12:33Z", "relevanceScore": 0.92, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_062", "text": "Use weatherstripping, caulking, and filler for gaps around doors, window frames, baseboards, floorboards, and electrical outlets to create a tighter seal, keeping warm air in and cold air out. Upgrading to double- or triple-pane windows can help by adding insulating layers that reduce heat transfer. If replacing windows isn't an option, applying an energy-efficient window film or thermal curtains can help retain warmth at an affordable cost.", "sourceUrl": "https://martensheating.com/how-to-reduce-heat-loss-in-your-fox-cities-home", "pageTitle": "How to Reduce Heat Loss in Your Fox Cities Home - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:12:33Z", "relevanceScore": 0.90, "contentType": "procedure", "audienceType": "general" }, { "chunkId": "c_063", "text": "Smart thermostats allow you to program your home's heating schedule, adjusting temperatures based on when you're home or away, which reduces wasted energy and lowers heating bills. With zoned heating, you can set different temperatures for individual rooms. Trickle vents and heat recovery ventilation systems can recover up to 80% of the warmth in outgoing air, balancing insulation with fresh airflow to maintain a healthy indoor environment.", "sourceUrl": "https://martensheating.com/how-to-reduce-heat-loss-in-your-fox-cities-home", "pageTitle": "How to Reduce Heat Loss in Your Fox Cities Home - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:12:33Z", "relevanceScore": 0.88, "contentType": "procedure", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_020", "@type": "Concept", "name": "Emergency Heat (HVAC)", "alternateName": "Auxiliary Heat", "description": "Emergency Heat (HVAC), as discussed by Martens Heating & Cooling, is a backup heating mode built into select heat pump systems that activates automatically or manually when the primary heat pump cannot extract sufficient heat from frigid outdoor air — typically during extreme cold snaps or system malfunctions — and typically relies on electric resistance heating. Because it consumes significantly more energy than standard heat pump operation, Martens Heating & Cooling advises homeowners to reserve it for truly critical situations to avoid excessive energy costs.", "sameAs": "https://en.wikipedia.org/wiki/Heat_pump", "relations": [ { "predicate": "LEADS_TO", "targetName": "Furnace Repair & Emergency Heating Service", "targetId": "e_003", "context": { "condition": "Emergency Heat mode activates during system malfunctions or extreme cold, which may lead homeowners to seek emergency heating service." }, "confidence": "inferred" }, { "predicate": "DEGRADES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018", "confidence": "declared" } ], "hasChunks": [ { "chunkId": "c_076", "text": "Emergency heat, often referred to as 'auxiliary heat' or 'second-stage heat,' is a crucial component of your HVAC system. It's designed to provide additional warmth during extreme weather conditions or when your primary heating source is not functioning properly. It is typically activated when the temperature drops significantly or when there's an issue with your heat pump or furnace.", "sourceUrl": "https://martensheating.com/understanding-emergency-heat-on-your-hvac-system", "pageTitle": "Understanding Emergency Heat on Your HVAC System - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:14:24Z", "relevanceScore": 0.97, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_077", "text": "Understanding emergency heat costs is essential for efficient home heating management. Emergency heat can be more expensive to operate compared to your regular heating system since it often relies on electric resistance heating, which consumes more energy. According to an article from Jones-Onslow Electric Membership Corporation (JOEMC), when your HVAC unit is operating in emergency heat mode, the cost of your heating bill goes up approximately $1.30 per hour.", "sourceUrl": "https://martensheating.com/understanding-emergency-heat-on-your-hvac-system", "pageTitle": "Understanding Emergency Heat on Your HVAC System - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:14:24Z", "relevanceScore": 0.95, "contentType": "statistic", "audienceType": "general" }, { "chunkId": "c_078", "text": "Common issues with emergency heat often stem from needing to use it in the first place, including a malfunctioning heat pump, incorrect thermostat settings, or a faulty switch that doesn't activate the emergency heat when needed. In some cases, homeowners may mistakenly leave the emergency heat on continuously, leading to higher energy bills. Regular furnace maintenance and insulation improvements can also help reduce overall heating costs.", "sourceUrl": "https://martensheating.com/understanding-emergency-heat-on-your-hvac-system", "pageTitle": "Understanding Emergency Heat on Your HVAC System - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:14:24Z", "relevanceScore": 0.90, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_022", "@type": "Methodology", "name": "Furnace Air Filter Installation", "alternateName": "Air Filter Direction Furnace", "description": "Furnace Air Filter Installation is a procedural guidance concept published by Martens Heating & Cooling explaining the correct orientation and replacement steps for residential furnace air filters. The core instruction is that the airflow arrow printed on the filter must always point toward the furnace or blower motor. Installing a filter backward restricts airflow, fails to trap dust and debris effectively, and places unnecessary strain on the HVAC system.", "sameAs": "https://en.wikipedia.org/wiki/Air_filter", "relations": [ { "predicate": "IMPROVES", "targetName": "Indoor Air Quality Control & Humidification Service", "targetId": "e_005", "confidence": "declared" }, { "predicate": "IMPROVES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018", "confidence": "declared" }, { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" } ], "hasChunks": [ { "chunkId": "c_083", "text": "The arrow on your air filter should always point toward the furnace (or toward the blower motor). This arrow shows the direction of airflow through your system. If the filter is installed backward, it won't trap dust and debris properly and can reduce your system's efficiency.", "sourceUrl": "https://martensheating.com/which-way-does-air-filter-go-in-furnace", "pageTitle": "Which Way Does Air Filter Go in a Furnace? | Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:25Z", "relevanceScore": 1, "contentType": "procedure", "audienceType": "general" }, { "chunkId": "c_084", "text": "Before inserting your new filter, locate the airflow arrow printed on the side of the filter. This arrow indicates the direction air should flow through the filter. For most systems, the arrow should point toward the furnace or blower unit, not toward the return vent. Installing your filter in the correct direction ensures it captures dust, pollen, and debris effectively and helps your HVAC system run efficiently.", "sourceUrl": "https://martensheating.com/which-way-does-air-filter-go-in-furnace", "pageTitle": "Which Way Does Air Filter Go in a Furnace? | Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:25Z", "relevanceScore": 0.97, "contentType": "procedure", "audienceType": "general" }, { "chunkId": "c_085", "text": "If your filter doesn't have an airflow arrow, the downstream side of the filter usually has a wire mesh. The function of this wire is to provide the filter with the rigidity and strength that it needs to catch particles. Make sure the wire mesh side faces the furnace or blower when installing.", "sourceUrl": "https://martensheating.com/which-way-does-air-filter-go-in-furnace", "pageTitle": "Which Way Does Air Filter Go in a Furnace? | Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:25Z", "relevanceScore": 0.88, "contentType": "procedure", "audienceType": "general" } ], "maturityStatus": "established", "audienceType": "general" }, { "entityId": "e_023", "@type": "Methodology", "name": "Winter Thermostat Settings", "alternateName": "Thermostat Settings for Winter", "description": "Winter Thermostat Settings is a guidance methodology published by Martens Heating & Cooling advising Wisconsin homeowners on optimal temperature ranges, programmable thermostat strategies, and extreme-cold protocols to balance comfort, energy savings, and HVAC system protection. The methodology covers a recommended daytime range of 68°F–70°F, nighttime setbacks to 63°F–65°F, and the use of smart or programmable thermostats to automate scheduling. It also addresses cold-weather hold strategies and the risk of frozen plumbing when thermostats are turned off entirely.", "relations": [ { "predicate": "PRODUCED_BY", "targetName": "Martens Heating & Cooling", "targetId": "e_001" }, { "predicate": "IMPROVES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018", "confidence": "declared" } ], "hasChunks": [ { "chunkId": "c_086", "text": "The best temperature range for your Wisconsin home is between 68°F and 70°F during the day and 63°F to 65°F in the evening and throughout the night. Keeping your home's thermostat within this range can help keep your living space comfortable throughout the winter, while also helping you save on energy.", "sourceUrl": "https://martensheating.com/winter-thermostat-settings-to-save-money-and-avoid-breakdowns", "pageTitle": "Winter Thermostat Settings to Save Money and Avoid Breakdowns - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:42Z", "relevanceScore": 0.95, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_087", "text": "The U.S. Department of Energy notes you can save up to 10% a year on heating and cooling costs by turning your thermostat back 7°F to 10°F for eight hours a day from its normal setting. This tactic reduces the workload on your HVAC system, leading to significant savings. A steady, moderate temperature is the best way to maintain comfort and HVAC efficiency no matter how low Wisconsin temperatures drop.", "sourceUrl": "https://martensheating.com/winter-thermostat-settings-to-save-money-and-avoid-breakdowns", "pageTitle": "Winter Thermostat Settings to Save Money and Avoid Breakdowns - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:42Z", "relevanceScore": 0.93, "contentType": "statistic", "audienceType": "general" }, { "chunkId": "c_088", "text": "During extreme winter months in Wisconsin, set your thermostat to 65°F or slightly higher, up to 70°F maximum. We also suggest putting your thermostat on hold before severe cold weather hits — maintaining a temperature is much more cost-effective than using a setback program in extreme cold. Never turn your thermostat completely off, even when you're away, as this can cause your home's plumbing to freeze, leading to costly repairs.", "sourceUrl": "https://martensheating.com/winter-thermostat-settings-to-save-money-and-avoid-breakdowns", "pageTitle": "Winter Thermostat Settings to Save Money and Avoid Breakdowns - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:42Z", "relevanceScore": 0.91, "contentType": "procedure", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null }, { "entityId": "e_024", "@type": "Concept", "name": "Smart & Programmable Thermostat", "alternateName": "Programmable Thermostat", "description": "A Smart & Programmable Thermostat is a home comfort control device recommended by Martens Heating & Cooling to Wisconsin homeowners as a primary tool for automating temperature schedules and reducing HVAC energy waste during winter. Programmable thermostats allow users to set daily heating schedules tied to their routines, while smart thermostats additionally learn user preferences and allow remote adjustment via smartphone app. Martens Heating & Cooling identifies these devices as one of the best ways to maintain comfort while lowering heating costs throughout the cold season.", "sameAs": "https://en.wikipedia.org/wiki/Smart_thermostat", "relations": [ { "predicate": "ENABLES", "targetName": "Winter Thermostat Settings", "targetId": "e_023" }, { "predicate": "IMPROVES", "targetName": "HVAC Energy Efficiency", "targetId": "e_018", "confidence": "declared" } ], "hasChunks": [ { "chunkId": "c_089", "text": "Implementing a smart or programmable thermostat in your home is one of the best ways to save money and maintain comfort throughout the cold winter months. A programmable thermostat allows you to set a schedule that automatically adjusts your home's temperature based on your daily routine; this way, you're not heating your home while you're at work or asleep.", "sourceUrl": "https://martensheating.com/winter-thermostat-settings-to-save-money-and-avoid-breakdowns", "pageTitle": "Winter Thermostat Settings to Save Money and Avoid Breakdowns - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:42Z", "relevanceScore": 0.92, "contentType": "definition", "audienceType": "general" }, { "chunkId": "c_090", "text": "Smart thermostats take a step further by learning your thermostat preferences over time and adjusting the temperature accordingly. You can adjust the thermostat through a remote control or smartphone app, even when you're away. This level of smart home automation reduces the likelihood of wasting energy while optimizing your heating system's energy efficiency.", "sourceUrl": "https://martensheating.com/winter-thermostat-settings-to-save-money-and-avoid-breakdowns", "pageTitle": "Winter Thermostat Settings to Save Money and Avoid Breakdowns - Martens Heating & Cooling", "publisher": "Martens Heating & Cooling ", "retrieved": "2026-06-30T07:15:42Z", "relevanceScore": 0.90, "contentType": "evidence", "audienceType": "general" } ], "maturityStatus": null, "audienceType": null } ] }