Columbia already offers access to free EV charging for our field employees. Of the few projects that have have opted in so far, we've had to custom design and intall EV charging setups.

We are trying to fill the energy star for data center. If we create a single meter for whole building electricity consumption then our score is not reflecting on energy star portal.

Hello all, 

What program/process is most helpful for caluclating separate illuminance values for ceilings/walls/work surfaces?  I have not been able to track down a process that will allow me to do t

If we have a commissioning authority conducting the HVAC duct leakage, envelope leakage, local exhaust air flow and compartmentalization testing, do we still need a qualified HERS Rater/Energy Rate

The Reference Guide states that materials that are inherently non-emitting do not require additional VOC documentation, but cements, concretes, and gypsum products are not listed.

We are working on a Retail (fast food store) that is currently in the LEED registration process.

LEED V.4 allowed Califoria projects to submit Title 24-2016 documentation to comply with EAP2 and EAC1 by using LI #10480. Can we still use this interpretation for LEED V4.1 projects?

Hello Green Gurus,

Hello - I have a project considering pursuing Path 2 Access to Project-sponsored Transit Service. Can someone help me understand this sentence from the v4.1 guide?