Yes, the ductwork is in the (unvented & insulated) attic. Could it be the fresh air intake is pulling in too much outside air when it runs? Can't remember if I mentioned it or not, but I'm just north...
Type: Posts; User: adt2
Search: Search took 0.00 seconds.
Results 1 to 25 of 45
Used Equipment - Buy, Sell, Save!