In areas where the temperature rarely drops below freezing, the initial heat pump replacement cost will more than pay for itself. At temperatures above 35 degrees, a heat pump is up to four times more efficient for heating as an electric furnace while being comparable to most air conditioners at cooling. However, they become less efficient as temperatures drop below this threshold. Therefore, heat pumps are best for warmer regions such as the Southeast.
(1) Inch Calculator. Cost to Install A Heat Pump - 2020 Cost Guide. Blog. Accessed 16 July 2020. https://www.inchcalculator.com/heat-pump-cost-guide/