BEFORE THE ARCHITECT – HOME DESIGNING BACKGROUND – UNIQUE HOME DESIGNING ARTICLES

 HOME BUILDING PROBLEMS - KITCHEN AIR QUALITY

By Before The Architect  Copyright 2003-2007 Before The Architect

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Before The Architect

hOME BUILDING PROBLEMS - kitchen AIR QUALITY

Fan(s) in kitchens It shall be considered indicative that A common rule of thumb for rangetop exhaust fans in commercial applications is 300 cubic feet per minute exhaust capacity per each linear foot of rangetop A commonly applied rule for sizing rangetop exhaust fans in home application is a minimum 100 cubic feet per minute from the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Standard 62.  See http://www.automatedbuildings.com/news/jan03/articles/ebtron/ebt.htm

	In any case, the range hood shall be not less in width than the Rangetop width and Preferably to 6 linear inches wider, evenly
	Shall be vented to the exterior only Note that exterior does not mean crawlspace Note that exterior does not mean attic
	Shall vent only to atmosphere - outside, outside, outside Not to attic Not to soffit interior not to crawlspace
	Shall have vent pitched down not up to minimize draft when the fan is idle
	Kitchen exhaust fan vent(s) shall not exit a home exterior within 10 linear feet of A soffit vent An operable window A door An operable skylight A deck platform and 10 linear feet above and below A balcony platform and 10 linear feet above and below A walkway or pathway and 10 linear feet above A seating area and 10 linear feet above The horizontal foot print of an exterior staircase and 10 linear feet above and below Any other vent, including a chimney stack