How can I know if a Chilled beam system for ventilation complies with the ASHRAE 90.1 2007 minimum efficiency requirements ? It has not been mentioned in the ASHRAE Standard.

BACKGROUND: We have a project that is an office building pursuing LEED-CS 2009 certification. The C&S was substantially complete within the last several weeks.

Hi, I have completed an offline (active) IEQp1 form which shows that pre-requisites are being met. When I complete the same form online, the result is that the pre-requisites are not being met.

For an existing building under major renovation would the reused flooring be exempt from the credit requirements and should only new flooring to be installed comply with the requirements in order t

Nadav, as usual, a well-thought out article making excellent points.

Would a (site-applied) solid wood floor coating fall under "clear wood finish" with the limit of 350g/L or a "floor coating" with the limit of 100g/L? Thanks!

How to calculate composite STC for a room?

Hi, My project is a factory building. They are installing only Indian Water Closets and no Urinals. How to calculate water efficiency if Urinals are not used?

I'm in a bit of a funk. I have a office space that populates two floors of a building.

For some external lights the LEED team claimed the LEED Interpretation 10236 for SSc8, i.e.