Can you use center of glass for EAp2 & c1 or do you need factor for the entire unit?

I’m modeling a building for C&S in France. Normally in my baseline and proposed models I put the same infiltration (n50 = 0.14 ach) for both buildings.

Theoretically one might think modeling the glazing and shadowbox portions of a curtain wall with a single assembly u-value would yield the same result as modeling the curtain wall as glazing for th

I am just wondering what people's opinion is on Tranes trace software and eQuest software.

Hello:) In which programs are you doing energy simulations? Did you have some problems with GBCI concerning the type of the programe that you chose? What with IDA ICE for example. Thanks:)

Has anyone been successful in claiming savings in tenant spaces for anything other then lighting power reductions? Demand controlled ventilation, daylight sensors or plug load reductions perhaps?

Dear Community, we have a situation where our proposed design utilizes a double roof (i.e. naturally ventilated attic) as part of the building's passive environmental design.

In the proposed model, we have a HEPA 13 filter in a dedicated outdoor air unit which serves a variable refrigerant flow system.

Hi all, I am working on a LEED 2009 NC project with IES energy modelling. Could anybody advise what documents need to be submitted for EAp2 and EAc1 certifications?