Plumbing and water heaters
Heat pump water heater with exterior compressor
...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 it extracts heat is cold air, so wi...
