"One of the most common complaints about heat pumps, experts said, was that they would stop providing heat on very cold days. But advances to heat pump compressors have made them more efficient, cost effective and successful at providing heat in colder temperatures."
Yeah this is a key issue that shouldn't be glossed over like this. We need more data about how much they have improved.
Yeah this is a key issue that shouldn't be glossed over like this. We need more data about how much they have improved.