I received a review comment requesting confirmation that my modeled fenestration U-value accounts for framing. I'm having a difficult time contacting the window manufacturer.

We have a project that consists of a 17-story and a large conference center on lower levers.

Working on a project which is using NC 2009 version. We have to submit for construction preliminary review, We have achieved 97% const.

Hey all, I've heard informally from one lab that they are seeing a number of v4 projects fail their IAQ tests - appears the newly introduced glycol level thresholds are a common obstacle.

Many of our client's printers have received The Eco Declaration, an ECMA-370 Standard. Does this comply with the LEED 4 criteria?

I know that the 90.1 and the LEED Reference Guide generally tell you to use the same utility rate structures for both the Proposed and Baseline models.

I am working on a core & shell building. The owner will only be installing AHUs for a few core & shell spaces.

I know under LEED that the design engineers cannot also be the Cxa, but does that also apply for an entity/company who is the building envelope CxA but can also be the acoustical engineers?

For EA prerequisite, the standard for commissioning that is referenced by USGBC (the 2005 edition) is now outdated. Should that standard be used or tne new updated one?

Our project is a large office TI with all of the typical water fixtures such as wash closets, urinals, showerheads, sinks, etc.