Our system has 2 different refrigerant types. One type in the compressor and another type in the refrigeration circuit.

Our Blower door tests of the residential top floor of a mixed use building reports the findings as Total Airflow through the door seals [m3/h] at a given pressure differential [Pa].

Are you required to use the Supplemental Daylight & Views Calculation Spreadsheet available Credit Resources? Can we still use a spreadsheet as listed in the Documentation Toolkit here?

Does anyone know if LEED counts being RoHS compliant as being equal to NEMA compliance? Thank you, Shevaun

"Maine Governor Paul LePage has signed an executive order that effectively bans the use of LEED" How does this even make sense?

I have some doubts concerning Appendix D of the document “Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009 – Design & Construction” http://www.usgbc.org/ShowFile.aspx?Doc

Are there software programs that model refrigeration systems stipulated in LEED for Retail other than eQUEST refrigeration version?

Hello, In my project we are in case 1 greenfields Sites.

Anybody know if LEED Reviewers are still allowing credit in energy models(LEED NC 2009 EAp2 and EAc1) for installing energy star appliances like dishwashers, clothes dryers, clothes washers, etc.

I have a 100 year old historic building project that contains a cupola at the top of the building made of 24 carat gold leaf. Does anyone know the SRI value of gold leaf?