We have a project space where the built up area is 2 lakh sqft out of which the conditioned space is 1000 sqft. Is energy modeling necessary in this scenario?

As we are outside of the USA, ASHRAE 90.1:2010 is a new requirement that came with v4 and our designers have no experience in interpreting and applying the mandatory requirements.

A building is composed by three towers that have the basement, the ground floor, and the first floor in common. The system for the baseline model shall be System 8.

Has USGBC issued any equivalency for Title 24 (vs ASHRAE 90.1) in LEEDv4 EA credits yet? I've seen comments saying it can take a while. Just wondering if it is on the horizon for LEEDv4 or not?

Do we need to follow addendums of ASHRAE 90.1 2010 in relation to Appendix G for compliance? For instance, addendum F restricts window to wall ratio to 34% for hotel/motel with rooms greater than

I have a HVAC system with labs on it requiring 100% outside air systems. Following all the guidance in 90.1 these spaces require a dedicated Sys 5/7 because they are over 5,000 cfm.

If the envelope is demolished and then rebuilt with the same shape does Table G3.1 part 5., baseline, point f apply?

Hello! I am constructing a building model which spaces are half offices, half laboratories. The HVAC system chosen is system 5 (packaged VAV with reheat) for all building, since it is considered a

Hello, I have a question regarding equivalent standards : Is there an USGBC approved equivalent standard for projects located in France ? Many thanks in advance for your assistance.

The LEED v4 Reference Guide offers three was of determining equipment efficiencies, distribution losses, and distribution pumping energy: Monitored data, engineering analysis, and default values.