My understanding is that the minimum acceptable Leakage Rate is 0.5%, even if the actual data demonstrate a lower leakage rate.

We have a project that has a two story atrium, running across the 1st and 2nd floor. Is the 2nd floor atrium (empty) space included in the gross area calculations or not?

I would like to check if the Carrier model 30RQ0262 (COPc=2,62 according ARHI test 550/590 despite ASHRAE requires ARI 340/360) will meet that Mandatory Provisions in terms of Equipment Efficiency.

We are using packaged VAV with reheat system 5 for the Baseline System.

Hi all, I need to model in Energy Plus several "Air - Water Heat Pumps": heat pumps that use air as energy source and water as fluid for conditioning.

When calculating distances from location of extraction and location of manufacturing to project site, is it "as the crow flies" or actual travel distance?

We are using a resinous flooring system in some restrooms. It does not seem to meet the Green Seal definintion of "Coating" since it includes aggregate and color chips.

I would like to know which unit of measurement should include the value of ETO (Reference evapotranspiration rate). Im Brazil we normaly use mm. should i put in Inches?

I am working on a single building LEED project in an industry park, which has a central PV system inside.

Do you have a copy of the BD&C Reference Guide? CS Appendix 5 discusses precertification.