Home Repair Center Range Vent Hood Repair Tips Common Questions About Range Vent Hoods/FAQs Why is my vent fan running at only one speed?

Parts of a range vent hood

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[Back to Common Questions About Range Vent Hoods]
[Why is my fan moving air, but it's not going outside?]

The first thing to check are the filters on your range vent hood. If these are full of grease, they could stop the flow of air and the fan may sound like it is only running at one speed. Once your filters are clean, you can check the fan switch and the fan motor to see if they are the problem. You can get to these from under the hood, without removing it.