View Full Version : no hot air

01-10-2011, 01:55 PM
hot air is not blown out of the vent in one of the bedrooms. others rooms are fine. I checked the vent shutter and it looks open. what could be wrong?

01-10-2011, 06:30 PM
There might be another "vent shutter" (damper) in the vent pipe between the main trunk and the vent. Or the vent could be full of dead rats.