We are working on a project that is trying to jumpstart development in the city center.

The base building HVAC system uses 100% outside air. Therefore there are no return grilles. I am assuming that the requirement for filtration then is not applicable?

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

Hi, Our project includes seismic isolation system, because the project building is located in earthquake prone country.

RE: CO2 Sensors for Densely Occupied Spaces Are spaces designated as Non-regularly Occupied Spaces excluded from consideration as Densely Occupied Spaces??

If we install subsystem metering for the irrigation systems to comply with WEc1 can we follow the “Non-Metered Irrigation” option at WEc3?

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

Our Seattle region has a very developed state regulated construction waste diversion infrastructure.

My inquiry is based upon reducing the energy consumption of a chilled water system which is being used in a manufacturing facility.

we use VRF system for A/c we use value given in LEED guide Rc 2.2 lb/ton As per the the default calculation we get points but the reviewer tells Rc for VRF is very low it may be "3 - 6" lb/ton