Kitchen Vent Makes Noise When Windy

This flapping noise comes from the wind blowing from the other side of the house.

Kitchen vent makes noise when windy. The first one i found searching on hd specifically calls out this problem in the description. When the vent hood fan turns on the air pressure rushing out forces the vent to open breaking the magnetic force holding the flapper closed. The noise is annoying but i m also concerned about the heat loss in the winter. We had a satisfied customer submit this video to us to prove a point.

When the vent hood fan is shutoff and the airflow diminishes and the flapper begins to close. Often a stiff wind will open vent dampers causing them to periodically clang shut. 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. I think you just need to find a better built vent hood.

The vent in the video is a magnetic wind defender vent galvanized. I can t flip the flap 180 because it s hinged at the top. Although not the cheapest will solve the problem. As soon as the magnet nears the adjustable screw.

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. If this noise is annoying the flaps can be replaced with ones that are electronically controlled. This pressurises the house a bit on one side and depressurises it on the side of the exhaust hood. The vent hood ducts through a rigid or flexible pipe to a cap on the roof or side of your home.

Cheap metal vents can be very loud and obnoxious in the wind. Discussion in remodel forum blog started by moontoad nov 14 2007. It is possible by changing the outside part of the fan for a downward pointing. With gusts of wind that causes air to actually move from the house out through this exhaust duct.

I d have to turn the. So when they closed back down they would hit spot of sealant 1st not shut on grille thus eliminating noise. Only way to fix i found is to hold flaps open put small spots of mastic sealant where they met vent let it fully dry. Way more information than you ever wanted on how to fell a tree.

World s best tree felling tutorial. Noise is often a problem unfortunately which is caused by the flaps that close the vent off when the fan is inactive. I have a two year old home which has vent fans in the two bathroom ceilings. Guilty of treeson recommended for you.

If the noise drives you crazy new spring loaded backdraft dampers 9 to 30 depending on the size should solve the. I had on kitchen fan tumble drier vent had same noise issue.