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What is The Appropriate Size Roof Fan For a Specified Area?  

Updated 06/04/2022 | Published 06/03/2022



Question:

How big of an area can this fan service?

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Expert Reply:

The MaxxFan Dome Roof Vent w/ 12V Fan # MA00-03812B is capable of moving 200 cubic feet of air per minute. Assuming you have a ceiling height of 8' that would exhaust all the air in a room that is 5' wide by 5' long room every minute. Or for a room that is 8' wide(width of most rv's) and 16' long it would take just over 5 minutes to exhaust all the air(1,024 cubic feet) in that room. While there isn't a specification to how big a room needs to be for this fan it really comes down to how quickly you would like the air to be exhausted from the area.

A fan like the MaxxFan Deluxe Roof Vent w/ 12V Fan # MA00-06200K moves up to 900 cubic feet per minute if you want to be able to move a lot of air quickly.

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Bud M
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