What is a heat pump / Green Building & Sustainable Home Renovation Information & Advice

...a lower place. Similarly, heat naturally flows from a hotter place to a colder place. Does a heat pump generate heat? So how is it that we can extract heat from a cold place and send it to a warmer place? Well, it is a little bit like moving water from a low place to a high place. All you need is a pump! Heat is actual...

...are many manufacturers of heat pump water heaters on the market, which, rather than heating water with an electric coil as a normal electric hot water tank does, employ an evaporator to extract heat from the air (either interior or exterior) and use it to make hot water. The byproduct of an air-to-water heat pump after...