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NC-2009 EAp2:Minimum Energy Performance

Interactive 90.1-2007 Compliance Form - ENVELOPE

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Sangmin An
Building Energy Simulation Analyst
SGS
LEEDuser Basic Member
2 thumbs up

Hello, I am Sangmin of SGS Korea. I have a few question regarding Interactive 90.1-2007 Compliance Forms - building envelope compliance documentation (mandatory provisions checklist). 1. With repect to air leakage part, it says here that " Air leakage through fenestration and doors is less than 0.4 cfm/ft² (1.0 cfm/ft² for glazed swinging entrance doors and for revolving doors) when tested in accordance with NFRC 400" Must we absolutely perform measurement or test according to NFRC 400 after construction? 2. Our engineer who is an accredited simulation operator by NFRC did the THERMAL and WINDOW simulation. So, is it ok for us to check off the items related to NFRC 100 and 200 guideline ? Would appreciate any information or feedback anyone can provide. Thank you.

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 08/07/2013 - 18:45

Section 5.4.3.2 is a mandatory provision so technically you must demonstrate compliance. Door products are not tested in the field. They are tested in a lab environment to NFRC 400. Field fabricated, custom doors are exempt. If the test has been performed and the product rated by NFRC then you should be fine.
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Sangmin An
Building Energy Simulation Analyst
SGS
LEEDuser Basic Member
2 thumbs up

Thu, 08/08/2013 - 01:24

Thank you for your quick response and it is greatly helpful for our project.

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