13 ms·
This does only apply for air-sourced heat pumps though. Unless you are literally living on an ice-sheet, a ground-sourced heat pump can be efficient all-year ro
by XorNot 5y ago
This does only apply for air-sourced heat pumps though. Unless you are literally living on an ice-sheet, a ground-sourced heat pump can be efficient all-year round and beat out an air system easily.
- dghlsakjg 5y agoFascinating. I’m in the PNW where I don’t think it gets cold enough for this to matter