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.

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.

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.

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!