"Because a heat pump creates heat by pulling warmth from the outside air or ground rather than burning fuel to generate heat, it usually costs less to operate than gas, oil or electric furnaces."One disadvantage to purchasing a heat pump is the possible need for a backup system.---> If you live in an area that is frequently below freezing in winter, a back up system may be required to provide enough heat for the entire home. <---
Dumb Dave is dumber than sh*t!
Your article is talking about heat pumps that use outside air, not ground loops.
Your posts are getting dumber & dumber