AO smith heat pump water heater/ Green Building & Sustainable Home Renovation Information & Advice

...Heatpumpelectric hotwaterheaters, good or bad idea?Waterheaters are generally the biggest energy drain in a home afterheating . so Air-to-waterheatpumpwaterheaters are potentially a big energy saver, particularly when the mainheatsource in a home is an air sourceheatpump, as thewaterheater can in eff...

...heater that offers you only a 1 to 1 ratio. The Voltexwaterheater fromAOSmithis an air-to-waterheatpumpwhich extractsheatfrom the air to generate hotwater, so in the winter that 3 to 1heating ratio of the firstheatpumpis transferred to thewaterheater. And the more 'free'heatyou have in winter (sola...