Make Up Air (MUA) In California - Kitchen & Bath Remodeling - DIY Chatroom Home Improvement Forum

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Old 05-05-2015, 11:11 AM   #1
Join Date: Nov 2009
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Make Up Air (MUA) in California

I don't know if this is covered anywhere on diychatroom and I am just a DIYer so take this with a grain of salt. I am only opening my big mount since it was so hard to track down info on MUA and how it affects installing a kitchen range hood.

In summary, MUA js not required by California code, but is required by certain California city ordinances, most if not all are in Northern Cali.

I finally was able to track down the 411 on this in a long post by jsceva on GardenWeb. I pulled up the 2013 code and it still has not adopted Part V. A link to that code.

Many other states do require make up air. Nor am I saying that you may not need MUA for a powerful range exhaust,but to my limited knowledge it is not statewide required by California Residential Code.

If this is ass backwards, you pros are invited to say so.

Last edited by Klawman; 05-05-2015 at 11:15 AM. Reason: forgot tags
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