What’s the true cost of a heat pump?

The home heating and cooling technology known as the heat pump is incredibly efficient, meaning big potential savings both for carbon emissions and for utility bills. So how good are heat pumps for the climate? And how much money do they save? Resources: Carbon Switch heat pump savings guide: Fixr home heating cost estimates: Heat pump: Oil furnace: Gas furnace: This Old House, how a heat pump works: This Old House, how to install a heat pump: Shannon’s Grist article on heat pumps in cold climates: RMI’s guide to heat pumps in cold environments Wirecutter guide to heat pumps