Find and Invite the Best Commercial HVAC Contractors in Oshkosh, WI

Bay Mechanical Systems is a company with years of experience in addressing heating concerns, offering a variety of options for heating and A/C needs, with discounts for residential customers seeking comfort and quality at an affordable price.

Stainless Specialists, Inc. (SSi), established in 1985, is a custom fabrication company that offers high-quality, timely delivery, and affordable pricing for food processing, beverage, and packaging companies requiring custom solutions. The company has grown to include multiple sub-divisions, providing a skilled workforce across three divisions: Stainless, HVAC Wet Dry, and Process Piping, Plumbing, Service, with a commitment to solutions, service, and integrity.

Northern Mechanical is a customer-focused company providing a wide range of plumbing services in Southeast Wisconsin and Northeast Illinois since 2009, specializing in both residential and commercial work, including emergency repairs, sewer rodding, process piping, and HVAC services.

Action Heating & Cooling is a Milwaukee-based HVAC company offering residential and commercial heating and air conditioning services, installations, repairs, and maintenance throughout Southeastern Wisconsin. With over 36 years of experience, they are a Woman-Owned Enterprise certified by the State of Wisconsin and have an A+ rating with the Better Business Bureau.

H.J. Faust, Inc. is a full-service HVAC company providing high-quality heating, cooling, and indoor air quality services to residential and commercial customers in Burlington, WI, and surrounding areas for over 40 years.

Just In Time Refrigeration is a full-service commercial refrigeration company with over 30 years of experience, offering sales, installation, and repair services for air conditioning, walk-in coolers and freezers, reach-in coolers and freezers, and ice machines to a diverse range of commercial clients. They also provide 24-hour emergency services and are known for their rapid response and preventive maintenance programs.

Wilkes Plumbing, Inc. is a leading plumbing service provider in West Bend, WI, offering a range of services including plumbing, drain cleaning, heating and cooling, and water treatment since 1998. They are licensed, bonded, and insured, serving multiple counties in Wisconsin and holding an A+ rating with the Better Business Bureau.

Since 2003, E and R Heating and Cooling has been a name that can be trusted in the Milwaukee area. That’s because if there’s two things our name has stood for, it’s being dependable and reliable. Unlike some companies that are most interested in getting the job done as fast as possible, everything we do is done with quality and care. As a result, we’re always proud to back our work with our warranties. And you know that when you call E and R, your problem will be dealt with in a fast and immediate matter. Our fast response time allows us to stand out from the crowd.

Sure-Fire Inc., founded in 1947 by Emil Malesevich in Dodge County, is the largest heating and air conditioning contractor in the area, offering high-quality HVAC systems and services including residential and commercial system design, installations, and electrical contracting.

Cardinal Heating & Air Conditioning is a full-service contractor based in Sun Prairie, WI, providing top-notch plumbing, HVAC, and electrical services since 1984, with a commitment to customer satisfaction and 24-hour emergency response.

Foremen Heating & Ventilating is a family-owned business specializing in HVAC services and installations, focusing on building long-lasting partnerships with clients and providing quality service with the best equipment at fair prices.

Schoenwalder Plumbing, Inc., established in 1945, offers comprehensive plumbing services, bathroom and kitchen remodeling, and water treatment solutions for residential and commercial clients in Milwaukee, Waukesha County, and Lake Country.

Thermo Dynamics is a full-service HVAC provider that offers quality design, installation, and service for HVAC equipment in both residential and commercial markets, serving the Southwest Wisconsin River Valley Community since 1972.

Custom Home Heating is a family-owned, local business specializing in heating and cooling services, including installation, maintenance, repairs, and emergency services, as well as air quality and smart home technology solutions. They serve the southeastern Wisconsin and Milwaukee metropolitan area and pride themselves on treating clients as neighbors, with over 30 years of experience in the field.

Dama Plumbing & Heating, Inc is a full-service heating and cooling company that carries only the finest of products. We specialize in new construction, remodeling, and service and are proud to be a Lennox and Carrier dealer in Northeast Wisconsin.