How does one count the recycled content of fabrics used in furnishings? Do you have to separate out the cost of the fabric relative to the cost of the chair?

If we are not knowing existing assembly values can we go with ASHRAE 90.1 values for existing assembly. USGBC will approve ?

Shall the person who enters his/her initials under signatory section ( for example IEQp1 or EAp2-1, 2-2, 2-3 ) be registered mechanical engineer (PE) ?

I have a project with district steam from central plant for space heating only. The space cooling is provided by onsite using RTUs with Dx coil.

Hello, I am working on a v2009 LEED-CS project and was wondering if the Low-Mercury lamp credit could be pursued?

I would like to know if USGBC requires the specific species name for plants for this credit, as stated in the reference guide "site plan indicating the project boundary, building footprint, site ar

I am having troubles understanding what is a single zone system and a multiple-zone system and how to fill out the forms.

I have a project that the owner/landlord are seeking LEED-CS certification, but none of the tenants have any interest in seeking LEED-CI certification.

I am working on a large project that includes over 10 buildings.

ASHRAE requires at least half of all private offices, open offices, and computer classrooms to be controlled by an automatic control device.