Forum discussion
NC-2009 EAp2: Minimum Energy Performance
Hello,
We are working with and energy modeling software that does not have U-values for a soil or vegetated roof. Is there an official list (database) like ASHRAE LEED uses? Right now they have 2 inches of fiberglass for the calculation, which we figure is not correct. Any help is appreciated. Sorry for my ignorance, I am fairly new at this.
John
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Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11478 thumbs up
September 28, 2012 - 9:26 am
John, LEED does not use an official reference for U-factors.If anything, LEED would defer to accepted energy modeling software, ASHRAE standards, or ASHRAE Fundamentals.
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
September 28, 2012 - 3:18 pm
I know eQUEST has soil in its constructions library. You could download a free copy.