Return Air Leaking from Attic – Hot Air Sneaks In

If return ducts draw air from the attic instead of your living space, your HVAC ends up conditioning 120-degree air before sending it inside.
Chatterbox identifies this fault when indoor humidity and coil temperature climb unexpectedly while efficiency plummets.
Sealing the leak means cooler, cleaner air and major energy savings. It’s one of the most common — and most costly — hidden faults we find.