Based on ASHRAE 90.1, the chilled water pumping power must be 22 W/gpm and does not mentioned the effect of pumping head.

Dear all, I have a case where I need to know if I should model separate Pantry zone in Both Basecase and Proposed Case, or in Basecase only? I have an office building with one System 8

Hi Did any one know any guideline or book from USGBC to complete the project documents for LEED V4 O&M in the Arc Platform if the project is going for performance pathway

Can client's emails be used in place of letter of commitment form client? Does USGBC accept emails as evidence?

I am modelling for LEED GROUP - v4 BD+C: CS. Project has 40 Office buildings shared with same basement and served with multiple Water Cooled Chillers as cooling source.

hi everyone, working on a project outside of U.S. I ve gathered the necessary equivalent documentation for this credit but it s all in the local language.

Hello, Does this credit apply to the Mechanical Equipment Finishes ( Flooring, and Walling) for example Lifts finishes.

I am working on a neighborhood project in Egypt , and we have been thinking to use LEED v4 for ND Plan , it is stated on usgbc official website that Plan: certification is available to your neigh

We have a project opting to maximize the 19points of EAc1. The project is served by a District Cooling Plant.

I have a slightly different question in regarding to certifiable projects.