Heat pumps can be used to heat a home in winter (HSPF) and cool it in summer (SEER).
Heat pumps with higher HSPF are more energy efficient in heating mode.
In Canada, heat pumps typically spend more time in heating mode than in cooling mode.
Canadians should look for HSPF when shopping for a new heat pump.
HSPF rates the energy efficiency of heat pumps in heating mode.
HSPF is short for heating seasonal performance factor.
SEER rates the energy efficiency of air source heat pumps when operating in cooling mode.
Heat pumps with higher SEER are more energy efficient in cooling mode.
SEER is short for seasonal energy efficiency ratio.