Colmac WaterHeat is a division of Colmac Industries.  Colmac is a privately held, third-generation, family-owned company founded in 1959 which has grown to be one of the world’s leading manufacturers of water heating heat pumps, laundry finishing equipment, and the new and replacement coils. Colmac’s 225,000 sq. ft. manufacturing facility and headquarters are located in Colville, Washington. The Pacific Northwest location provides close proximity to west coast ports for shipping to Asian and Middle Eastern markets.

Water heating heat pumps were pioneered in the 1980s by Colmac and have had many significant firsts.  The first manufacturer to switch from R-22 to R134-a. First to use double wall-vented heat exchangers. First to output 140°F+ in a single pass. Colmac is continuously improving and innovating in the markets they serve.