Heat pumps, geothermal and AC
Heat pumps: what they are and how they work
...Heatpumpsare also quite versatile; they can be used toheatincoming air from the outside, or as an air-to-waterheatpump for generating residential hot water.Heatpumpsare also used in conjunction with geothermalheating and cooling, where theheatis either taken from, or added back to the ground.Heatpumpsm...