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Heat Pumps

Plain-English guidance on heat-pump cost, climate fit, operating expense, backup heat, and system selection.

Heat Pumps9 min

Compare a heat pump with a gas furnace using installed cost, local energy rates, climate, backup heat, emissions, and comfort.

Heat Pumps11 min

Learn how Manual J, Manual S, local design temperatures, ductwork, and low-temperature capacity determine the right heat-pump size.

Heat Pumps11 min

See how cold-climate heat pumps perform below freezing, what the ENERGY STAR label means, and how sizing and backup heat affect results.