Hello, there is a 160,000 SF historic building that will be doing a gut-rehab and has a masonry (brick) exterior that can't be altered.

Has anyone ever used a device called the Airthings Wave Plus? We want to use it to report CO2 and TVOC numbers, but it reports TVOC's in ppb not ug/m3.

I'm having trouble finding lumens for EXIT signs that are to be included in the Lamp Purchasing calculator.  Pretty much EXIT sign cutsheets do not show lumens because these are EXIT signs and

Is case 2 only available to projects with utilities that don't have DR programs?  under v4.0, this was clearly the case ("Case 2.

When using the "arbitrage" option, is there a limit regarding where, geographically, the replacement RECs can be purchased form?

Hi all,

My name is Jim Wallace, and I am a COO for the professional cleaning industry based in Detroit.

My name Dana Perry and my comments represent New Image Building Services, a facility service provider regarding the Proposed LEED O+M: Existing Buildings v5 draft.

How will federal funded buildings required to meet domestic content BABA requirements overlap with LEED?

How would a project comply with WEp1 if the bathroom was removed from scope.  This is a interior fit out of part of a floor, and the common restrooms shared by the project space and the rest o