Hi everyone, I wanted to ask about a specific material: quartz. Some providers are claiming that their quartz is VOC low-emitting and contributes to IEQ 4.3.

I would very much appreciate any help in this one.

For a project outside of the United States, someone could advise me on the pros and cons of using the CSI Division (optional)?

Thank you!!!

For LEED EBOM 2009 there are ACP´s available through the ISO 50.001. How does it works for v.4?

Hi, Eliot! 
The project must have at least two habitable buildings, but it would necessarily residential buildings? Would this "habitatable" word be in the sense of residence itself?

I`m trying to understand the Option 2 -Strategy A and having difficulty of finding this illuminance on brazilian cutsheets. Is this information that I need to look at?

Hi, I would like to know if minisplit (non-ducted) units have to comply with Standard 62.1-2010, Section  5.8, "...p0articulate filters or air cleaners with a minimum efficiency reporting valu

Hello, As required by 7.4.2 Equipment Efficiency of ASHRAE 90.1-2007, for a water heater less than 12 kW and more that 20 gal, the required performance is EF=0.97-0.00132*V. My question is: is ther

Hello there. My team and I are certifying a building in Brazilia, Brazil.

We've been approached by a landfill company to perform a consulting for LEED certification of new projects. The project for the site contains an administrative building and the landfill area per s