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We had a Hauslane P18 range hood installed and it is never able to suck well. Most of the cooking fumes escape with the front burner, and even when cooking with the back burners smoke manages to escape.

The hood is exhausting directly back, rather than through the top. The home builder had installed a metallic box/cavity behind the drywall that the hood is blowing into (previously a microwave), not a direct duct to the outside. And that metallic box has an opening to the outside.

When the hood is on, I can feel the wind blowing on the exterior vent of the house. I've tried opening windows since we don't have a makeup air fan with no changes to the suction.

We're assuming the metallic box is the reason why the hood is not working efficiently, but could there be other reasons?

We're stumped

isherwood
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user180738
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1 Answers1

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See my recent writeup on range hood effectiveness. I think many folks overestimate what such a device can be expected to do. Even when running at full blast, the total area that would need to be scavenged is too large for complete exhausting of all offensive gases, especially when human activity and open windows are considered.

That said, if your ducting is not adequate, or if it has characteristics that impede proper flow, the effectiveness of the unit will be greatly diminished.

isherwood
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