I'm working on a higher ed art building with dark rooms, photo labs, and film development rooms that are projected to be occupied by one person at a time.

Does anyone know if isolation valves on a multiple chiller plant are required by ASHRAE, or they simply best practice? I have looked into this in ASHRAE documents, but have not found anything yet.

Does anyone know if isolation valves on a multiple chiller plant are required by ASHRAE, or they simply best practice? I have looked into this in ASHRAE documents, but have not found anything yet.

I currently have installed co2 sensors in densely occupied rooms located to the specifications mentioned in the OM LEED V4 Ref Guide.

For Option 2 - How do you determine credit compliance with an industry-wide EPD?

Can someone guide me in to some pipe insulation for 1/2" pex piping that meets the requirements of LEED V4 Homes. Needs to be 1/2" wall thickness, minimum R-4 Everything I can get locally is R3.5,

Does anyone have a recommendation for pipe insulation that meets LEED V4 criteria? Min R-4, 1/2" wall thickness Thank You

Hello all, I am working on a Core and Shell project that is targeting Green Power. While we have an energy model for the project, can you confirm if the project MUST use the Option 1?

V4 cites the MPR requirement to build on already existing land as a requirement for CI projects. Isn't that a given?

We have a retail project located in an enclosed mall. The retail store has some illuminated logos on the entrance and the display window.