Source
r/askHVAC•
moorlemonpledge

Shouldn't this opening in the plywood between the 3 ton air handler and the return plenum be almost as big as the filter? And not blocked by a 2x4?

Shouldn't this opening in the plywood between the 3 ton air handler and the return plenum be almost as big as the filter? And not blocked by a 2x4?

Posted Aug 5, 2026, 1:34 PM UTC

76
Loading comments…