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

Summit Refrigeration, a ColdCore company based in Wisconsin, is a leading full-service refrigeration contractor that specializes in the design, build, and service of industrial refrigeration systems, serving customers nationwide.

Bay Heating Service is an HVAC company based in Green Bay, WI, providing residential and commercial heating and air conditioning services, including emergency services, since 1949.

First Call Heating & Cooling is a locally owned HVAC company based in Racine, Wisconsin, offering a range of services including heating, cooling, maintenance, and indoor air quality solutions for homes and businesses since 1995.

Olson Heating & Cooling is a South-Central Wisconsin HVAC contractor with over 40 years in business, specializing in the installation, maintenance, and repair of heating and air conditioning systems for both residential and commercial customers.

Brothers Consolidated Heating & Air Conditioning is a Franklin, WI-based HVAC services provider offering heating, furnace, boiler, air conditioning, and indoor air quality services, including 24/7 emergency services and maintenance agreements with over 80 years of combined experience.

Modern Heating & Cooling is a professional HVAC company based in Black Earth, Wisconsin, offering a wide range of services including installation, replacement, and repair of heating and cooling systems for residential and light commercial applications. Established in 1985, the company provides 24/7 emergency services and specializes in air purification, geothermal solutions, and hydronics, serving Madison, WI, and surrounding counties.

PGA Inc. is a versatile contractor located in Weston, WI, offering a wide range of residential and commercial services including plumbing, heating, cooling, electrical, excavation, and HVAC since 1994, with a commitment to high-quality parts and service at a fair price.

R&W Heating & Cooling, Inc. is a local HVAC service provider in Milton, WI, offering a wide range of heating and cooling services including repair, installation, and maintenance for residential and commercial clients since 1960.

J.M. Brennan, Inc., established in 1932 and based in Milwaukee, WI, is a full-service mechanical contractor serving Southeastern Wisconsin with expertise in HVAC, plumbing, process piping, controls, industrial sheet metal, and 24/7 emergency service.

That’s when Over The Moon heard the call. We wanted to make sure that our clients were being listened to, so we moved away from the general contractor and started working directly for our clients. This gives us the freedom to meet your needs directly, while giving you a full understanding of all that work that needs to be performed, whether it’s a repair, maintenance, or installation of a new electrical or HVAC system.

Capitol Mechanical is a commercial HVAC design and build contractor that has been providing high-quality, energy-efficient, and sustainable solutions since 1971, with services including sales, service, maintenance, and building automation.

Engebos Heating & Cooling LLC is a company based in De Pere, Wisconsin, providing professional HVAC services including sales, service, and installation for residential, commercial, and industrial clients in Northeast Wisconsin since 1936.

JC's Heating & Electric is a versatile contractor based in Adams, WI, offering a range of services including heating (HVAC), air conditioning, electrical work, and air duct cleaning, with a focus on both new construction and upgrades. They provide 24-hour emergency services and have been serving Adams County and the central Wisconsin area for over 18 years.

Lyon Heating and Cooling LLC is a HVAC services provider that offers installation, replacement, and repair of heating, air conditioning, and indoor air quality systems for homeowners and business owners in the Wausau, WI area.

Belonger Corporation is a complete mechanical and plumbing contractor in the specialty trades service industry, offering HVAC/R for commercial and industrial applications with a commitment to being straightforward, honest, and dedicated to customer needs. They are a value-based, licensed, bonded, insured, and unionized organization with a focus on safety and quality management programs.