Is it mandatory to have recirculation (for a system 4)?

It will be my first time registering a project so I have some doubts I would like to share with you. Our project is a NC commercial building.

What is the appropriate category for Foster 85-20? Our contractor told us that it was Special Purpose Contact Adhesive. And how do we verify this?

Hi to all: Please help me to clarify how the baseline model is defined for the M&V plan, it is clear that for the "actual case" the proposed model created for the EAc1 must be calibrated based

I know several people who opted in but never completed the 30 hours of continuing education in the required 2 year period and now have expired specialties.

Hi, Would a project be eligible to apply for this credit if the scope of work includes the provision and installation of 100% of the fan coils serving the certifiable space, even if they don't ha

Hi Tristan! I am studying for the LEED 2009 ID+C and am confused regarding the graphics for the above credits and the way the EP is mentioned. They seem to differ.

Hi! The above lists IEQ C2 as 5 points. Am I misunderstanding this? Is it another strange and wondrous EP or ID credit, or suite of credits?

We are renovating urban buildings into apartments and speculative retail/commercial space. Some of the retail/commercial space will be constructed prior to application and some won't.