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Originally Posted by tis
Our furnace is getting old and we are going to need to replace it sometime in the near future. I don't know much about the heat pumps. Can anyone tell me how they work around here. Are they the same idea as the air/heat pumps in Fl. How do they work up here in the cold? I have been looking at ideas other than oil.
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Heat pumps work fine until the temps get towards 10F. There is much less heat to extract from 10 degrees or less so the unit needs to work much longer and when temps are far below zero it may not ehat enough. I have 12 units in my mill building but have them in the basement so I am taking a lot of heat out of the ground and they work fine. They tend to overheat the space in the summer so I vent them to the outside.