What are the exhaust fan requirements for a mobile home kitchen?
Thursday, February 20, 2020
Each time the kitchen is used for cooking, it generates humidity and odors that need to be exhausted outside to maintain a healthy indoor environment. HUD did not require mechanical ventilation of kitchens until the 1994 update of the HUD-code, but most manufacturers were already installing exhaust fans because of customer demand.
A kitchen exhaust fan must provide a minimum of 100 cfm (cubic feet per minute) and can be the through-the-wall exhaust type or a hood fan over the range ducted to the exterior. The fans must have a backdraft damper, which is a hinged flap that closes when the fan is off to prevent air leakage, and relies on gravity to shut.
Also, see our blog post How energy efficient is a mobile home?
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