Monday, May 22, 2017

Condensation on AC plenum

The plenum that ties into the indoor air handler on my HVAC system sweats pretty heavily and is causing mold growth in the air handler closet. A home inspector noted that the outside condenser is half a ton oversized for our air handler, so I'm guessing the temperature difference is too great between room air intake and cooled air outflow. Can I solve my problem by wrapping the plenum in duct insulation? It has branches coming off at weird angles, so I might not get a completely perfect seal, but I'll be aiming to come close.

submitted by /u/ilooovecorn
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