Posted 2/5/2009 20:11 (#598114 - in reply to #598073) Subject: RE: High efficiency gas furnance: Intake freezes shut
You need to get the intake away from the exhaust but within the limits allowed by the manufacturer. The intake drawing in moist air from the exhaust is whats causing your problem. Most furnaces can be used with just the exhaust vented outside but you would need to check the installation instructions.
High efficiency gas furnance: Intake freezes shut
