3 ms·
That's actually a reasonable point, and it may be true. There's got to some temperature delta makes a heat pump a losing proposition, but I'm not sure how big t
by monochromatic 9y ago
That's actually a reasonable point, and it may be true. There's got to some temperature delta makes a heat pump a losing proposition, but I'm not sure how big that threshold is.
- johnward 9y agoI accidentally replaced one of my heat pumps with an A/C only unit. So now I have to run the emergency heat strip all winter. I haven't seen any real increase in my power usage. The heat strip was running most of the time anyway because of low temps.