Can someone please confirm the following. If my window has a head height of 10 feet, then my zone floor area would be: Twice the head height (20) times the length of the 60 degree line? In this case if the 60 degree line was 20 feet long.....would the zone floor area be: 20x20=400 square feet?????

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TODD REED

Energy Program Specialist

PA DMVA

LEEDuser Expert

626 thumbs up

Fri, 12/14/2012 - 13:58

The depth of your zone is established by either twice the window height or if you have an overhang or interior obstruction then you must use the 60 degree angle which would intersect the lowest point of the overhang or interior obstruction. The length of the zone, side to side would be from wall to wall.

Jill Perry, PE

Consultant

Jill Perry, LLC

LEEDuser Expert

298 thumbs up

Fri, 12/14/2012 - 18:16

Gabriela, Are you the same Gabriela who posted a similar question under the NC board? If not, please see that board for a good discussion of this question. http://www.leeduser.com/credit/NC-2009/IEQc8.1

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