Source: CleanTechnica
Heat pump water heaters (HPWH) are one of the key technologies to save this troubled little planet of ours. They are 3–6 times more efficient than other water heaters, save hundreds of dollars on utility bills and 1 ton of CO2 every year compared to water heaters that burn fossil ... [continued] The post Heat Pump Water Heater Training for Earth Day with 12 Manufacturers appeared first on CleanTechnica.