Hi everyone and thanks in advance for your attention and support.

We have a multifamily residential project which will have a stand alone ERV per unit, does anybody know if we need to install MERV 13 filter on all the ERV's per unit to comply with the c

Hi all,

I’m working on a LEED v4 energy update project utilizing multiple renewable energy systems, such as:

• Solar PV (electricity),

A high-rise mixed-use project with two levels of office and multiple levels of residential is in EPA Zone 1 for radon.

what is the definition of a bus rapid transit stop? Can a bus transfer station count towards this? or Greyhound station? I have a project that can meet all the criteria except this one.

What is the lowest flow shower you've come across? The lowest we have is 5.7 LPM (1.5 GPM). 

There is a labor accomodation project with the no cooking facilities whatsoever. There will be centralised kitchen facility for the project. Do we still need to have CO sensors one per unit?

Hello all,

We're seeking clarification on how other users interpret the term "required ventilation air" in the exception to Section G3.1.2.9.1 of Appendix G (ASHRAE 90.1-2010) for laboratory spaces.

Dear All,