Heat pumps used to struggle in the cold. Not anymore.
The electric heating and cooling systems have historically been more common in warmer areas because earlier models didn’t ...
BBC1y
Heat pumps: How do they work and how do I get one?
Heat pumps warm buildings by absorbing heat from the air, ground, or water. Air-source pumps, for example, suck in outdoor air and pass it over tubes containing refrigerant fluids to produce heat.