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How to provide makeup air when using a 900 cfm range hood?

baker71 | Posted in Mechanicals on

Are there any solutions to makeup air other than opening windows or getting some expensive mechanical solution. Are there any window solutions that can filter air?

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  1. Andrew_C | | #1

    Assuming that you already have 900 cfm and can't choose something less than 200 cfm and a hood with a better capture design...Building Science has an article BSI-070 that details a couple of approaches to providing makeup air for high flow range hoods. It's in the latter half of the article.

  2. GBA Editor
    Martin Holladay | | #2

    Solutions are discussed in my article on the topic. Here is the link: Makeup Air for Range Hoods.

    If you want to read the article by Joe Lstiburek that was mentioned by Andrew in Comment #1, here is the link: First Deal with the Manure and Then Don't Suck.

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