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by jim p
Thu Sep 03, 2009 10:35 pm
Forum: All Other HVAC Questions
Topic: Question regarding passive (?) vents in ceiling.
Replies: 2
Views: 2097

Question regarding passive (?) vents in ceiling.

I have a 1987 Fleetwood 24' x 60' doublewide that has cathedral ceilings. There are six 12" x 12" passive (?) vents in the ceiling, two in one section and four in the other section. They are not associated with the HVAC system and appear to simply vent into the attic space. There is a considerable a...