>electric heating isn't as efficient Ground source heat pumps have a typical efficiency of about 400%. You're moving heat from the ground to your house rather

>electric heating isn't as efficient Ground source heat pumps have a typical efficiency of about 400%. You're moving heat from the ground to your house rather than heating up the air, so you get considerably more useful energy out of the system than you put in. https://en.wikipedia.org/wiki/Geothermal_heat_pump https://en.wikipedia.org/wiki/Geothermal_heat_pump