I am confused in how the Reference Guide explains the Option 1 calculations for wet-applied products. On pg.

I am wondering if there is a mistake for the item c requirement and its reference (or lack thereof) to exempting alleys?

We have a Green Building Council in Australia that has a very advanced energy simulation methodology that achieves the same outcomes as the ASHRAE 90.1 process outlined in LEED.

USGBC released a revised Purchasing Calculator with an updated weighted average formula for lamps. The link to the calculator in the Resources tab will take you to the updated version.

In v2009, you could use 3.6 GPF blowout toilets in institutional uses, but could not show savings for using blowout toilets with lower flow.

Dear all, Currently I have a project where energy meters comply with all the corresponding credit requirements except that they do not display energy demand.

Is there a definition of nightime hours for internally illuminated signage? I would assume midnight to 6 AM as in the excemption for facades but I can't find any statement.

Does anyone know if there is an alternate strategy for lighting quality that can look at Circadian Rhythm and designing to that? Thanks

In the site Management Policy (and SSc5 Credit) soil testing requirement have been added since 2009.

In relation to the Educational Session on EPD that you lead through USGBC, can you please tell me if the EPD compliant with LEEDv4 that you cover through this course, requires that the program unde