Not everyone lives in California.
Heat pumps aren’t sufficient in the northeast without a substantial ($50k+) investment in a ground loop. Many homes require significant retrofit to even use one.
Heat pumps aren’t sufficient in the northeast without a substantial ($50k+) investment in a ground loop. Many homes require significant retrofit to even use one.
PUHZ-SHW112YAA Guaranteed operating range (outdoor): Heating: -28 to +21 Domestic hot water: -28 to +35
On page 108 you can find the actual co-efficient of performance (COP) for different outside temperatures and inside water heating temperatures. As an example: at -10 and an water temperature for heating at 25 you still get a COP of 3+ (which are the average low temperatures in Maine). That means that 100% electricity moves 300% of heat into your house.