Hello LEEDuser community,

I’m working on the feasibility phase for a LEED v4.1 O+M: Existing Buildings project and ran into a gray area regarding exhaust requirements.

Hi everyone, I have a few questions about measuring mechanical ventilation in the existing building.

Hi all,

We'll take natutal ventilation in warehouse area however doesn't meet maximum distance.

We have old existing office building where ducted FCU is serving all the spaces.

Hi to all,

I have an existing self storage warehouse to be certified under LEED v4.1 O+M Existing Buildings. It has no regular occupants and no regularly occupied spaces. 

Hello everyone, I just want to ask if you are fecing the same issue in the calculator of Minimum Indoor Air Quality performance.

I have an interior space going for LEED O+M v4.1 Interiors. The building is very old and the drawings of 1 out of 4 floors is not available.

Hello,  I have a site that has a shared OAD for two units.  The duct is not large enough to supply the minimum OA, and one of the spaces have changed usage.  Even with reduced C

I have a building going for LEED O+M v4.1 Existing Buildings Certification.