Profile picture for rachel4424

Requirements for kitchen ventilation

Does anyone know the requirements for kitchen ventilation? I recently removed my exhaust fan hood and wasn't planning to replace it, but wanted to check on requirements. I do have 2 ceiling fans and 2 windows in close proximity. Thanks!

  • June 10 2008 - US
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Answers (2)

Profile picture for Captain Hightop

2008 Residential Code (M1503.4) requires domestic kitchen cooking appliances to be either vented by a ducted range hoods or down-draft exhaust systems for open range stoves. For integral broiler units (an oven) with an integral exhaust system it has to be vented by ducting as required by the unit. In both cases the hood and/or ducting has to be metal and exhausted to the outdoors. For a open range with a hood it must be not less than 28 gage metal with 1/4” between the hood and the underside of combustible materials or cabinets and must be at least 24” above the cooking surface. The hood also has to extend over the entire cooking unit.

The above applies specifically for Oregon, but codes will be similar for pretty much everywhere. If you have an open range you will definately need some type of venting to the outdoors.

  • June 20 2008
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It is required in California, too. I would strongly recommend against getting rid of the exhaust fan and not replacing it. I recently designed a stainless steel "spice rack" that covers the space where an integrated vent once was. (Client got a new range top and it didnt fit the older, larger hole and he didnt want a vent since he doesnt cook- its one of those trophy kitchens). He knows he will HAVE to install some sort of exhaust when he goes to sell. But for now, he didnt want one and can do without. You be the judge, but know that you will probably have to put one in when you sell.

  • June 25 2008
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