A heat pump that’s also small for your requirements will wrestle to keep the household comfortable. On the other hand, an oversized unit will cost a lot more, and when it isn’t a variable-velocity design, it'll cycle on and off a lot more often than it ought to. This decreases performance, stresses parts, and leaves your property fewer relaxed.

Ground-supply or geothermal heat pumps absorb and launch heat underground, in which the temperature is a continuing 50° File to sixty° F all 12 months. They can be very successful since they don’t really have to compensate for large temperature swings just how air-resource heat pumps do. But because the heat-exchanging pipes are buried underg