We are working on a project that will be cooled by a pre-existing central plant. There is a chiller that contains CFCs connected to the loop, however, it is used as a backup chiller.

I am under the impression that Regional material distance calculation option 2 (travel by sea, rail, etc.) is not allowed in LEED Retail-NC projects, but I'm finding conflicting information.

Hello, May I seek anyone's advice on how to determine the lighting power density for data hall while there is no criteria in ASHRAE 90.1? I have ever heard of 0.8 W/ sf (treating similar to activ

In the reviewers comments a query has been raised that the parking space allocated to demonstrate Car Pooling is not a preferred parking space - the two closest to entrance to the building are des

Hello, I need a clarification on how to calculate the percentage of recycled content for a specific material on my project. For example; My fiber glass insulation has 9% post consumer recycled cont

Under which category does a concrete volume stabilizer classify? It´s a granular powder without metal particles, ready mix which only needs water.

Dear all, I'm working on a passive building in which it was decided, as energy efficiency technique, to be buried.

I'm working on a model for a system designed for a small classroom building and have concerns on the proper baseline and proposed system ventilation rates.

My campus is considering registering our entire campus site (1400+ acres) under LEED for Campus. To whom do I issue the registration fee check - to USGBC or GBCI?

We have 2 AHUs supplying OA to individual FCUs via a separate duct as per ASHRAE 62 intake requirement. The mixing occurs at the individual FCUs and then supplied to the zone.