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Does each individual zone need a 30% increase in ventilation, or can a weighted average be used for the building?

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NC-2009 IEQc2:Increased Ventilation

ID credit for 100% outside air

I know there is not an exemplary performance for this credit per say, but I am working on a project where we will using 100% outside air...do you think we could attmept an ID point since we are going above and beyond the requirments? Anyone try such a thing before? THANKS!

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Erica Downs
LEED Consultant
The Green Engineer
LEEDuser Basic Member
188 thumbs up

Thu, 08/18/2011 - 16:54

Nena - it's my understanding that this credit has more to do with volume of delivered air, so 100% outside air still does not guarantee satisfaction of credit requirements. But if you find out otherwise, please let us know!
Profile picture for user dconnelly
Dylan Connelly
Mechanical Engineer
Integral Group
LEEDuser Expert
342 thumbs up

Fri, 11/04/2011 - 23:25

Erica is right, it is a matter of volume. You may be able to claim an exemplary performance by supplying 60% more outside air then ASHRAE minimum. That would be double what the credit asks for.

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