Is it acceptable if the air leakage testing is done by a subcontractor of the general contractor when all the other aspect of the envelope...

If a project has no parking whatsoever, new or existing, can it claim exemplary performance for a 100% reduction?

about this matter, sometimes even with some US GBC staff members. Earlier tracks within this forum already dealt with that issue. In the end, the cited reply is correct only for composite wood, because...

I am reading the below paragraph from the reference guide and i don't quite understand it , as it is really confused with the Green power credit? how come using offiste...

Can you include open spaces at roof level (Green roof, accessible by all) as part of the 30% requirement, or does the entire 30% need to come from open space at ground level only? Thank you for...

What is the most appropriate signage for identifying these preferred parking spaces, especially since LEED has stopped using "low-emitting" and "fuel-efficient" and is now using "...

Hi guys,

I'm having troubles getting datasheets with reflectance values for the project I'm working on.
Do you know where to find a good light reflectance index online that would be...

Hello All,

We have a 5-floored building pursuing LEED CS v2009 certification, and also WELL certification. Envelope...

Are you still allowed to install metered faucets in public lavs, you just can't claim an savings from the conversion? The reference manual is a little ambiguous by saying the duration-based "...

When modeling district cooling and heating systems using Option 1, Path 1: ASHRAE 90.1-2010 Appendix G, the LEED Reference Guide instructs the following:
"If tariffs or rates are not...