In case you have not seen this relatively new guide I would highly recommend it to help with your modeling issues. ANSI/ASHRAE/IES Standard 90.1-2010 Performance Rating Method Reference Manual h

Hello everyone, 1. Do the insulation requeriment of service water heating pipes (section 7.4.3 and table 6.8.3) apply for any material?

There is a project which includes the renovation of an existing 40 ft high warehouse. The existing structure has only one (ground) floor of 30,000 sf.

Hello Marcus Sheffer, Refering to the LEED Interpretation 10371 related to taking credit for DCV in car parks, it is specified: 1) that the proposed case should be modeled such as that a minimum

Dear All:- we are doing LEED NC project for data center which one is correct base case LPD for data center in building area method which lighting categories we take if we go with space by space m

We are working on a huge project in Riyadh, to meet EAp2 we sould look for a water cooled chiller due to the area of the project and the challenge to reach a COP near to 8 to meet the 10% from base

Hello: I have a question related to exception G3.1.1.c which states that a separate single System 3 should be used for zones with pressurization relationships or minimum circulation rates.

I have modeled outside air identical in both the cases for zones that don't have DCV. But i am unclear about how to model outside air identical in both the cases for zones having DCV.

Dear all, Our project recently received the comment below regarding window assembly U-value calculations.

I modeled a baseline model with System 7. The reviewers wrote that in Tab. 1.4 insufficient information was provided about the VAV reheat boxes, in particular as for G3.1.3.13.