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![Noticed we have cold air coming down the vent when it's not on, is this to do with the holes at the sides or possibly some other cause? : r/homeimprovementideas Noticed we have cold air coming down the vent when it's not on, is this to do with the holes at the sides or possibly some other cause? : r/homeimprovementideas](https://preview.redd.it/noticed-we-have-cold-air-coming-down-the-vent-when-its-not-v0-4fcaiy7kb1qa1.jpg?auto=webp&s=582487501770b1501b76744f1afbd9b7b3189f63)
Noticed we have cold air coming down the vent when it's not on, is this to do with the holes at the sides or possibly some other cause? : r/homeimprovementideas
![Basement bathroom fan vent. Condensation on the duct (near foam and yellow hand screw) where cold air is meeting warm. What do I do? Cover more of duct with spray foam? : Basement bathroom fan vent. Condensation on the duct (near foam and yellow hand screw) where cold air is meeting warm. What do I do? Cover more of duct with spray foam? :](https://i.redd.it/1sa7sqfkiy381.jpg)