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5 years ago today Colmac Industries shipped their first batch of heat pumps, 4 x HPA4-PBSC, to Admor HVAC in Hawaii. Since then they have shipped over 500 units around the world. During this time, Colmac Industries grew into the Colmac WaterHeat brand and has continually strove to improve the product by adding the water source line, and improved the reach of the company through the addition of factory representatives s all over the world. Colmac WaterHeat would like to take this opportunity to thank everyone that has helped make this possible.