Home › Oshkosh › Heating & cooling pros
Furnace repair, air conditioning, heat pumps and HVAC service in Oshkosh and nearby towns. 19 businesses listed, 9 with confirmed emergency service. Last checked September 2026.
Fox Valley heating, cooling, plumbing and electrical company founded in 1956, with Oshkosh service pages and 24-hour emergency help.
Does: furnace repair & install, boilers, heat pumps, air conditioner repair & install, electrical repair & installation
Oshkosh plumbing and heating contractor for more than 100 years, serving the Fox Valley and part of Fond du Lac County.
Does: furnace install & repair, air conditioner install & repair, boilers, heat pumps, ductless systems
Family-owned Omro heating and cooling company since 1976, with 24-hour emergency service.
Does: furnace install & repair, air conditioner install & repair, indoor air quality, HVAC maintenance
Winneconne heating and cooling company since 1938, homes and businesses, with 24-hour emergency service.
Does: furnaces, air conditioners, heat pumps, fan coils, thermostats
Locally owned Oshkosh HVAC and refrigeration contractor for homes and businesses, with 24/7 emergency service.
Does: HVAC repair, installation & maintenance, commercial refrigeration, boiler piping, gas piping, air purification
Oshkosh mechanical contractor for homes, businesses and industry, with 24-hour emergency repair.
Does: HVAC repair & installation, HVAC maintenance, commercial refrigeration, ventilation, sheet metal
Oshkosh residential heating and cooling contractor since 1996.
Does: furnace install & repair, residential HVAC install & repair, heating & cooling, sheet metal
Heating and cooling company founded in 1951, with offices in Green Bay, Oshkosh and Fond du Lac.
Does: furnace repair, heat pump repair, air conditioner repair, HVAC installation
Oshkosh heating and cooling company for homes and businesses.
Does: heating service & installation, air conditioning service & installation
Above & Beyond Expectations Heating and Cooling, an Oshkosh HVAC company covering furnaces, boilers, heat pumps and AC.
Does: furnace sales, install & repair, boilers, heat pumps, air conditioner install & repair, indoor air quality
Oshkosh heating and cooling contractor with 24-hour emergency service.
Does: furnace install & repair, furnace maintenance, air conditioner install & repair, Carrier equipment, light commercial HVAC
Oshkosh heating and air conditioning service.
Does: heating service, air conditioning service
Winneconne residential heating and cooling contractor serving Oshkosh and Neenah, with a separate after-hours emergency line.
Does: furnace sales, install & repair, air conditioner sales, install & repair, new construction HVAC, remodel HVAC, Carrier equipment
North Fond du Lac heating, cooling and water heater company with service 24 hours a day, weekends and holidays included.
Does: furnace repair & replacement, air conditioner repair & replacement, boilers, heat pumps, water heater repair & replacement
Ripon heating and cooling contractor that serves Fond du Lac County and repairs most brands.
Does: furnace repair & installation, air conditioner repair & installation, HVAC replacement, HVAC maintenance
Heating and cooling company serving Oshkosh and Winnebago County, with 24/7 emergency service.
Does: heating install & repair, cooling install & repair, HVAC maintenance, emergency HVAC service
Locally owned since 1941. Fuel and propane delivery plus furnace and AC repair and installs.
Does: furnace repair & installation, air conditioner repair & installation, HVAC tune-ups, hydronic heating, heating oil delivery
Ripon heating and cooling contractor with a dedicated Oshkosh service area.
Does: furnace repair & install, boilers, air conditioner repair & install, ductless systems, indoor air quality
Omro heating and cooling contractor serving Oshkosh and Winnebago County.
Does: furnace install & repair, air conditioner install & repair, HVAC maintenance, all-brand AC service
9 listed businesses confirm emergency or after-hours service on their own website: Black-Haak Heating, Cooling, Plumbing & Electrical, Martens Heating And Cooling, Ryf Heating & Air Conditioning, Inc., Anderson HVAC LLC, Gartman Mechanical Services, Rasmussen's Heating & Air Conditioning, MCM Air, Inc., E. C. Merrill, Inc., Tiltin Heating & Cooling. Call to confirm they can come out when you need them.
This page lists 19. 9 are based in Oshkosh; the rest are based in nearby towns and say they serve the area.
8 listed businesses say they do: Black-Haak Heating, Cooling, Plumbing & Electrical, Kurt Zentner & Sons, Inc., Ryf Heating & Air Conditioning, Inc., Anderson HVAC LLC, Wesley Heating & Cooling Inc., A&BE Heating and Cooling, LLC, and 2 more on this page.
5 listed businesses say they do: Kurt Zentner & Sons, Inc., Martens Heating And Cooling, Anderson HVAC LLC, A&BE Heating and Cooling, LLC, Condon Total Comfort, Inc..
Black-Haak Heating, Cooling, Plumbing & Electrical (4.9 stars, 8364 reviews); Brewer Heating, Inc. (5.0 stars, 1828 reviews); Martens Heating And Cooling (4.9 stars, 566 reviews).
Ryf Heating & Air Conditioning, Inc. (since 1938); Merwin Oil Company LLC (since 1941); Wesley Heating & Cooling Inc. (since 1951).
By whether the business is based in Oshkosh, years in business, confirmed emergency service, verified credentials like city pre-qualification or Focus on Energy Trade Ally status, review data, and how complete its verified details are. Paying never changes a business's position.