Household range hoods do not exhaust air, but blow air into the kitchen. What s going on

2 answers

Anonymous users2024-01-23

If the range hood is working normally, but this happens after it is turned off, it is generally the reflux baffle of your range hood that fails or is damaged because it is greasy and sticky, and does not play a role in blocking the return air, so that the downstairs smoke enters the exhaust pipe of your range hood through the public flue and then enters the kitchen from the range hood. The solution is to check and repair the baffle, and the second is to turn on your range hood to remove it when there is fume backfilling.
Anonymous users2024-01-22

The installation is in the wrong direction, or the motor is rotated in the wrong direction.

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