3 ms·
I was quoting my parent on the 25% efficiency figure. "The COP for heat pumps range from 3.2 to 4.5 for air source heat pumps to 4.2 to 5.2 for ground source h
by benj111 8y ago
I was quoting my parent on the 25% efficiency figure.
"The COP for heat pumps range from 3.2 to 4.5 for air source heat pumps to 4.2 to 5.2 for ground source heat pumps"
https://en.m.wikipedia.org/wiki/Heat_pump https://en.m.wikipedia.org/wiki/Heat_pump