Assertion: heat pump's heat | /r/HasProperty | electric
Facets:
Source sentences:
text: When the temperature indoors drops below 3 degrees Fahrenheit on a heat pump system, the thermostat energizes the secondary heat, which can be either electric, gas, or oil.
text: Don’t worry, heat pumps can absolutely heat your home even in low temperatures because it automatically switches to backup heat (electric coils) when it can’t keep up.