Kitchen Fan Vent Makes Noise When Windy

If you hear a banging noise coming through your bathroom vent when it is windy chances are that the wind is picking up the vent flap and then letting it bang closed. Sometimes wind and roof vents do not get along well. I can t remove it as the wind just blows down the vent straight to the hood and makes the flap in the hood bang.

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I can t flip the flap 180 because it s hinged at the top.

Kitchen fan vent makes noise when windy. Had this same issue. Quick fix for me was to get on a ladder tape the flapper open temporarily. I d have to turn the. Unlike other versions that tend to rattle in the wind the back draft damper on the promax cap has been designed for noise and wind resistance and its stylish wide mouth appearance helps to optimize the airflow.

The kitchen exhaust fan is mounted in and is part of my microwave which is mounted over the range. If the noise drives you crazy new spring loaded backdraft dampers 9 to 30 depending on the size should solve the. This fan s external vent is on the lee side. There are a couple of things that can help to reduce the problem.

The vent in the video is a magnetic wind defender vent galvanized. Now instead of the flapper hitting metal it closes and hits silicone. It blows air to the outside right behind the microwave. The house is only a few years old and we live in a very windy area.

I think you just need to find a better built vent hood. The vent hood ducts through a rigid or flexible pipe to a cap on the roof or side of your home. The wind always blows from one direction. However you can fix noisy range hood and have a fan working as if it is brand new by following these guidelines.

Cheap metal vents can be very loud and obnoxious in the wind. Unfortunately when it is windy the vent on the outside bangs very loudly in the fully tiled room. This flapping noise comes from the wind blowing from the other side of the house. We wish builder had known about the ones that can be part of lighting system and then vent would have been in loft and would have looked nicer short of replacing light and fan ruining tiled wall is there anything we can put on the outside of the.

By replacing the old flap with one that is weighted or has a spring. Trace the button that is located in front of range hood and turn on power. This pressurises the house a bit on one side and depressurises it on the side of the exhaust hood. The extra noise that is produced is because of the damaged fan.

The first one i found searching on hd specifically calls out this problem in the description. Often a stiff wind will open vent dampers causing them to periodically clang shut. Wind gust outside meant flapper started to make noise. With gusts of wind that causes air to actually move from the house out through this exhaust duct.

We had a satisfied customer submit this video to us to prove a point. This noise can get annoying but there is a remedy for it. Then just took some silicone and made a bead around the opening. Wait for fan to pick up the speed and identify where the noise is being produced.