Hi all,

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

And mechanical ventilation is too low min. OA, because under 10 peoples are there....

We have old existing office building where ducted FCU is serving all the spaces. Fresh air is dumped to the plenum (no ducts), likewise for return air, so mixing happen randomly within the...

Hi to all,

I cant find the Minimum Indoor Air Quality Calculator for v4.1 O+M. I noticed there are some differences in the credit intent as compared with the v4 version, for...

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. 

Usually the storage spaces...

Hello everyone, I just want to ask if you are fecing the same issue in the calculator of Minimum Indoor Air Quality performance. After inserting all the required data in the added system, the...

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. The rest of the 3 are available with the ACMV layout...

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 CFM per occupant...

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

Currently it has offices on one of the floors, but it is going to be changed into inactive storage space in the...

I have a question,  compare to LEED v4...

Hello LEEDusers, I have a project which consist a typical office building in Hong Kong, each floor contain 2 PAU which contain 200L/s flow rate, the building is not very large each floor consist...