Hi all. Can we use latest standard of ASHRAE 90.1 2013 instead of 2007 as stipulated at reference guide? Noted that the latest standard will have more stringent requirement.

We are documenting a project where a roof-mounted PV system was installed after the building was occupied and the original commissioning process was complete.

OK it seems like, from reading the questions and responses here, that there is absolutely no clear guidance on how to come up with the "rainfall interval event" in order to perform the drawdown cal

Dear All, I am unclear about something. If I have items that would qualify for MRc3 but we are not pursuing that credit, is it acceptable to count them towards MRc4?

I am a PE who has been approached by a building owner with a request to have the building "re-commissioned." I have designed LEED projects before, and participated in the original commissioning, b

LEED manual states that: "The commissioning agent must demonstrate experience on two prior projects." the two project have to be LEED certified or they can be even no certified but with similar siz

LEED v3 reference guide has mentioned that 'the exhaust rate must be at least 0.5 cfm per square foot, with no air recirculation'..does it mean exhaust system or AC system???

Is it possible to access the Indoor Water Use Reduction Calculator Excel file without a password? What password is this asking for?

Hi, we have a project where the first 4 floors are retail (shopping center, including bowling and movie theatres). Because of the design of the shopping mall, most retail spaces do not have views

Is there a precedent anywhere for getting this credit with wetland mitigation plan where small inactive wetlands were included in the project footprint but an equal or greater wetland area was purc