Because an air heat pump is a machine that is used to keep in-home temperatures stabilized, it is considered a "home-improvement" device. You can find dozens of Home Improvement stores that will sell...
An air heat pump is used to heat and cool your home. It is like an air conditioner in the warmer months but then can also heat your home if the outside temperature is above freezing.
The heat pump will have an additional component in the outdoor unit, a reversing valve. Additional wiring is also required for a heat pump to operate. (more than the 2 wires used to operate an a/c...