william 24th January 2022
Heat pumps fall into the “new” technology category in Maine, but the technology originated more than 150 years. They have been providing ultra-efficient heating and cooling in the US for more than 60 years. According to Efficiency Maine, tens of thousands of heat pumps have been installed in homes and businesses across Maine. They are the most popular heating system choice across all of Efficiency Maine's rebates. While a secondary heating source is recommended, heat pumps operate well down to -22°F outdoor temperature. This makes them realistic as a primary heating source even in Maine. Save up to 50%…