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Posted by pete on December 10, 2007 at 16:32:47:
Heat pro I have 2 forced air hanging furnaces in my shop. I only use 1 of them, it heats the place fine. My question is the one that is not being used could there be heat escaping thru the furnace and out the venting pipe? If so could that be a lot? It is 8 inch vent pipe. Thanks again.
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