A modern heat pump claims a cop in the 4.8 range
It’s more efficient to burn the gas in a grid power station, convert to electricity, and use the electricity to drive the heat pump, then it is to burn the gas for heat directly.
It’s more efficient to burn the gas in a grid power station, convert to electricity, and use the electricity to drive the heat pump, then it is to burn the gas for heat directly.
Another consideration is that you lose efficiency in converting chemical to electrical energy, plus there is a higher transport and distribution loss to factor in.
https://www.panasonicproclub.com/uploads/IE/catalogues/PIR%2...
Show a 4.5 cop for a 7C-35C range, dropping to 1.8 for a -7 to 55C range.
For 2C to 35C it’s still a cop over 3