Hi LEED experts! There is an auditorium in my project, also there will be a stage and a rehearsal.

In the designed AHU a cooling coil operates also in order to control the humidity ratio.

Hi Markus and colleagues, If in the Proposed building the total interior lighting power (space by space method) is bigger than those of the Baseline, is this acceptable.

Dear all, Does anybody know whether the MBTU in DES Guidance v2.0 page 14 equals kBtu or MMBtu? It is generally used to express 1000 Btu's, however in some sources it is stated that it equals 1 mi

Dear all, I’d like to ask a question about the assembly U-value calculation according to NFRC norms.

For a renovation and addition to an existing college campus library, we are in the process of determining the boundary to use for energy performance. The existing building is 182,738 SF.

Hello colleagues, I have a question from our energy modelling team. The question is about baseline HVAC systems modelling.

I have a project that will be conditioned by a water-cooled chiller and boiler plant located in one of the building that will be rated.

When the project is pursuing the increase ventilation which ventilation rates have to be used for the baseline 62.1 or 62.1 + 30%? I am working in LEED V2009. ASHRAE 90.1-2007

For Non-Residential fenestration system that are designed to be field glazed or field assembled units for compliance with ASHRAE 90.1-2010, the supplier provides a certificate according to NFRC pro