Forum discussion
NC-2009 EAp2: Minimum Energy Performance
Hi,
As per reviewer comment the calculation for U-value of whole window assembly (including frame) used for the Proposed case windows can be demonstrated by different method such as NFRC rating, Window 5 software or simulation tool. The client sent me a complete assembly report developed in WinISO tool. The calculation has been done according to DIN EN ISO 10077-2.
Question is: Is this methodology acceptable in LEED?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5915 thumbs up
June 3, 2014 - 10:05 am
I am not familiar with that standard but a quick online search indicates that it would be an appropriate tool/standard. While I can't say for certain I would think it would be acceptable.
Mayank Bhatnagar
2 thumbs up
June 4, 2014 - 4:13 am
Thank you Marcus for your view.
Jean Marais
b.i.g. Bechtold DesignBuilder Expert832 thumbs up
June 4, 2014 - 8:07 am
It seems as if the difference is minimal. I've posted a step by step to go from EU-rated values to American-rated values for fenestration here:
http://www.designbuilder-big.com/index.php/2013-02-25-13-40-45/2013-02-2...
It's aimed at energyplus / designbuilder users, but will be helpful to all who want to test this. It's still in the review phase by the WINDOW developement team.
Melinda Orova
1 thumbs up
November 30, 2015 - 6:43 am
Hi all,
Has anyone got an acceptance using the ISO 10077 standard for window assembly U-value calculation?
Many thanks!
Agnieszka Rylska
GO4IT SP Z OO SP K30 thumbs up
November 30, 2015 - 7:01 am
We were uploading U-value calculations according to ISO 10077 standard provided by the window producer and so far it was accepted for a few projects.