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.

DuraVent is the recognized technological leader in the venting industry. Consistently first to market with new innovations, DuraVent is committed to providing safe and technologically advanced venting.

ECO22 Systems LLC provides sales and and support for the SANCO2 Heat Pump Water Heaters in North & South America and other countries on request. ECO2 maintains warehouses and personnel in both Los Angeles CA and Detroit MI to provide the most flexibility for our customers across North America.

Gallagher-Kaiser Corporation (GK) is a privately owned, Michigan based turn-key supplier of paint finishing systems, commercial & industrial HVAC and mechanical automotive systems within the Kaiser Enterprise.

Grand Traverse Refrigeration, Inc., has been providing heating, cooling, and refrigeration services to customers in the Traverse City and the surrounding areas. They are the HVACR company. They service, repair, install, maintain and design all makes and models of heating and air conditioning systems.

GREEN LINK is an innovative engineering company that develops and produces polymeric architectural products for the construction and HVAC industry. They work with contractors, architects, building owners and facility managers to engineer and produce the best possible solutions to meet the construction challenges.

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.

Plenty has changed since Hamilton was founded in 1981, but plenty more continues to remain the same. Using they own patented technology, we engineer hot water systems and hydronic boilers that are more efficient and provide higher performance than most other products on the market today. Take the EVO line, for example. With operating efficiencies up to 99.8%, EVO stands alone among high-efficiency condensing water heaters, boilers and systems.

Hart & Cooley has been a trusted brands for HVAC supplies in the industry. Their products are stocked across North America to provide the customer with a winning, comprehensive solution for business - on time. Their brands include AmeriFlow, AmeriVent, AMPCO, Hart & Cooley, Lima, Milcor, PortalsPlus, Roof Products & Systems (RPS) and Ward Industries.

Randazzo Heating, Cooling, and Electrical is a Michigan-based company, keeping Michigan residents comfortable since 1988. They are committed to bringing their customers the best heating and cooling options. They are a company on a mission, focusing on offering their customers an optimum level of service!