Why is Cold Air Coming Down my Range Hood Vent? Causes and How to Fix it

Are you noticing cold air coming down your ducted range hood vent? The outside vent flap may not be closing properly or there could be an issue with the internal backdraft damper. Another cause of drafty range hoods are gaps in the ductwork or unbalanced air pressure throughout your home. Start by inspecting your hood.
There are some common reasons why cold air may be coming down your range hood’s vent. Here's why and how to solve it.

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