View Full Version : dumb defrost question
Why can't the wasted exhaust in a dual fuel hp be used to help defrost the outside unit
01-13-2011, 08:00 PM
Do you have a system in mind or are you simply postulating an idea?
If you are running a high efficient furnace on the dual fuel system, there would be little heat left for defrost purposes.
I see the problem as being able to store the heat until defrost is required.
01-13-2011, 08:16 PM
Now if you could run both on a dual fuel setup you could pre heat the outside air. :D
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