Heat pumps, geothermal and AC
Heat pump buying guide: review of the top 10 heat pumps
...best heat pumps work?
A heat pump works very differently than other home heating systems, in that it doesn’t ‘generate’ heat the way a furnace, boiler, radiator, oven or even a toaster or hair dryer would; instead, it collects heat from one place and transfers it to another.
Think of your refrigerator as an example of ...