Anonymous wrote:I know where the flap is. It's not 100% sealed shut. The opening is connected to a 5-6inch duct but the actual duct that is connected to the fan is a 4 inch duct so there is a gap and the 4inch duct doesn't come into contact with the flap, there is a 1-2" gap there as well. Since we are about to leave soon and I don't have time to call and wait around for contractors, I put some insulation inside of the opening and taped it shut with silver HVAC tape. I disabled the switch that turns on the fan and we have not had had humid air entering in. This obviously is temporary and I will deal with it when we return. Someone mentioned electrician but I think this is a purely an issue with the way the duct is at the exit point. It's not done right. I think the gap between the smaller and the larger duct needs to be sealed and I think we need a better flap that has a better seal. Is this still a handyman issue? I feel like it's a duct guy issues only I don't know who works on just ducts for bathroom fans.
Anyone can run ducting. Usually it's A/C (electricians), but you don't have to pay $200 an hour for this repair. DIY or hire some boy to do it, but they might step through your ceiling if they aren't careful.
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