Hi, 

I would like to know if the new version of HAP, HAP v6, is approved by the USGBC to meet this  Prerequisite and Credit,

Thank you,

we have a dormitory building with mechanical ventilation (treated with cooling to reach 20 C and a CAV reheat terminal ) only associated with ceiling fans, shall we model the baseline with no

I have a project attempting EAp2/c2 via the prescriptive pathway, Option 2, 50% AEDG.  The only "required documentation" listed in the Reference Guide is the completed AEDG tables, which seems

Has anyone successfully claim energy saving with domestic water booster pump? These pumps are often huge and there're no diversity profiles that I know of.

Hi LEED experts,

The LEED v3 reference book already refers to ASHRAE 90.1 "with errata but without addenda."  The v4 book only says "with errata."  Does that imply that all addenda to ASHRAE 90.1 must be

Hi everyone, 

I'm wondering what is the most common software for energy modelling ASHRAE 90.1

Hi,

how can i do if my project's heat pump /chiller manufacturer doesn't provide efficiencies AHRI-rated?

My proposed design for lab utilizes a heat recovery chiller connected to geo-exchange. There is a 40 ton process chilled water load on the heat recovery chiller.

I am working on a LEED project with revolving doors. The targetted U value for glaze is 1.9 W/Sqft.K (including frames), SHGC 0.25.