EQ6.2 a) states:"Size the opening to 1 sq inch per cfm of supply air (this area may include free area undercut below door)." When using a grille are they specifying gross or net area? Our firm typically specifies the transfer grilles by gross area.
You rely on LEEDuser. Can we rely on you?
LEEDuser is supported by our premium members, not by advertisers.
Go premium for
Rob Moody
consultant, USGBC LEED® Faculty™, LEED® AP Homes, RESNET HERS Quality Assurance DesigneeOrganic Think Inc
3 thumbs up
March 24, 2011 - 8:02 pm
I asked Asa Foss, the USGBC LEED for Homes Technical Director. Asa said that EQ 6.2 references the free, or net area of the grille. That is specified in EnergyStar Version 3 and EPA's Indoor airPlus programs.