Applegate Heating & Air Conditioning specializes in heating, air conditioning, and sheet metal work. It serves residential, commercial, and industrial projects. It specializes in sheet metal design, fabrication, and installation for projects of all sizes, ranging from $100 to $25,000,000.

Behler-Young Company was founded in 1926 and is Michigan’s largest wholesale distributor of Heating, Cooling and Refrigeration products. Behler-Young provides solutions such as Heating, Air Conditioners, Ventilation, Refrigeration, Wholesale, NATE, and Sheet Metal.

For 75 years Burr OAK Tool Inc. has delivered machines, tools, and expertise to the world's heat exchange manufacturers and tube processing industries. Heat exchangers are an integral part of air conditioning, heating, refrigeration, and air handling units.

Christian & Co. Inc. is a Liaison between The World's Premier Manufacturers and Select Distributors in Michigan and Toledo, OH.

Supplier of gas, steam or electric reactivated desiccant dehumidifiers for humidity control. Systems include outdoor air ventilation coupled with heating and cooling if required.

DUCTZ has been providing industry-leading air duct cleaning and HVAC restoration services for residential and commercial properties alike.

Haisma Heating & Cooling Inc. is an HVAC company serving West Michigan. The company was established by Garry Haisma, a Northwest side Grand Rapids area native, in 1981.

Heating and air conditioning equipment for residential and commercial applications, 1/2 to 25 tons, under the Comfort-Aire and Century brand names.

Midwest is a leading wholesale supplier of HVACR equipment and service parts. They mostly serve their Northern Michigan markets.

Napco-International manufactures and supplies high quality industrial grade heating elements and supporting components to the industrial markets. They provide electric heating elements and accessory products such as HVAC heating elements for electric furnaces, heat pumps, air handlers and many more.

Rapid Engineering is an Industrial and commercial HVAC manufacturer. They manufacture make-up air and custom rooftop units, indirect-fired heaters, make-up air heaters, evaporative coolers, and electronic control systems for direct fired air handlers.

A leading global manufacturer of hermetic reciprocating, rotary and scroll compressors, condensing units and systems for use in residential and commercial refrigeration and air conditioning applications.

Manufacturer of Well-Connect hybrid geothermal heat pumps, the affordable option for heating and cooling rural structures that have an existing water well. Energy Star Certified.