For the Fundamental Refrigerant Management credit under the ID+C rating system, when the requirement says, "Existing small HVAC&R units (defined as containing less than 0.5 pound (225 grams) of

Hi all! I have a doubt about EPD, could someone help me? This credit explains that products with LCA (ISO 14044) or EPD (ISO 14025) that have at least cradle-to-gate scope are valued as 1/4.

Is there a minimum number of logs required to be submitted to comply with this credit? The project I am handling wishes to install the meter but because of the log requirement, we might need to de

Hi, I have project where is several open plan offices with different volumes. LEED Acoustic Performance requires T60 below 0.8 sec.

The USGBC has posted, and will continue updating, a "Low-Emitting Materials Third-Party Certifications table" at this link: http://www.usgbc.org/resources/low-emitting-materials-third-party-cert

Does anyone have a good sense of how to treat step down ceiling heights in calculating the interior distance qualifying for quality views?

If we had submeters installed for more then 80% fixtures in the building but the building is unoccupied during the perfomance period we must use (as the reference guide seems to state) the optio

Where a mixed-used building as a mix of residential and non-residential and both residential and non-residential building entrances. Do both residential and non-residential entrances count?

Hi, I was wondering if the innovation credit for V4 Existing Buildings can receive a point for using Electric Bicycle-Cars.

Do we need to follow addendums of ASHRAE 90.1 2010 in relation to Appendix G for compliance? For instance, addendum F restricts window to wall ratio to 34% for hotel/motel with rooms greater than