3 ms·
Heat pumps have higher than 100% efficiency because they extract heat out of air / water. 100% is a very low efficiency for electric heating. Anything lower tha
by mmcnl 7y ago
Heat pumps have higher than 100% efficiency because they extract heat out of air / water. 100% is a very low efficiency for electric heating. Anything lower than 400% is considered below average.
- BlueTemplar 7y agoSadly, heat pumps are still very rare. (They're much harder to do properly than just electric heating.)