Dear all, We intend to certify and existing office building, which is going to be retrofitted with the following criteria: -No intervention in the envelope -Partial replacement of the HVAC (both

Hi all,

Our building code is less restrictive than the ASHRAE 90.1 2010 for all the lighting controls and efficiency strategies.

Dear all, We are a consultant company beginning the application for LEED v4 certification of a major renovation project. We would like to know if we could assess the Minimum Energy Performance pre

How can you demonstrate the compliance with the mandatory provisions relative to air leakage of the envelope (both walls and fenestrations) of ASHRAE 90.1-2010 (par.

What shall I consider as Lighting Power Density (TABLE 9.6.1 of ASHRAE 90.1-2010) for a sauna that is inside a hotel?

Best Regards

Can the lighting control in offices be automatic (daylighting + occupancy sensors) only? I mean, without manual control?

Best Regards

Project is utilizing energy from a central plant, the team is attempting to decide between using the purchased energy approach vs.

Has there been an equivalency established for LEED v4 projects that use ASHRAE 90.1-2013-Appendix G as reference standard (as there was for LEED 2009 projects that used ASHRAE 90.1-2010-Appendix G

I am working on a project where my building has a VRF/VRV system. The ambient conditions at which the system designed is 46 deg C.

We have a commercial building which is 24x7 operating.