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NC-v4 EQc5:Thermal comfort

ASHRAE 55-2010 documentation

The Upload for this credit indicates "Documentation may include a psychometric chart, PMV/PPD calculations... Figure 5.2.4.1 and/or Figure 5.2.4.4, or predicted worst case...". Given the amount of 'and/or's, does this mean multiple documents are required? Or just one? Please advise.

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Ze ro
LEEDuser Basic Member
0 thumbs up

Tue, 10/19/2021 - 08:33

I also have the same problem, anyone can help, thx.
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Sarah Gudeman
Principal | Practice Lead
BranchPattern
LEEDuser Premium Member
6 thumbs up

Thu, 10/21/2021 - 00:17

Just one method to show compliance should suffice as documentation. Check the full LEED Reference Guide for supporting documents recommended. 

Fri, 06/02/2023 - 15:29

Katie or Ze, did you guys end up finding what you were looking for to satisfy the documentation requirement for this LEED credit? If so, can you point me in the right direction on a spreadsheet or calculation to use? 
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Schnackel Engineers, Inc. - Energy
LEEDuser Premium Member
3 thumbs up

Fri, 06/02/2023 - 16:12

We always use Berkley's CBE Thermal Comfort Tool - https://comfort.cbe.berkeley.edu/?_ga=2.215589717.312554829.1685721761-413151411.1685721742&_gl=1*1noxoop*_ga*NDEzMTUxNDExLjE2ODU3MjE3NDI.*_ga_W092JMC5XH*MTY4NTcyMTc2MS4xLjEuMTY4NTcyMjA4OC4wLjAuMA..  It currently shows compliance with ASHRAE Standard 55-2020.  It is a later version than required by LEED, but we have never gotten a comment for being better than LEED requires.

Wed, 07/26/2023 - 14:48

Hi,  I have a question for Berkley's CBE Thermal Comfort Tool - to put there values of operative temperature that are reliable we have to take measurements of air temperature and measured globe temperature right? 

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