In anticipation for a large dust kick-up during finish installation, our project is looking into placing an additional cloth filter on the return air grilles (in addition to the MERV 8 filter).

Is the "replace all filtration media immediately prior to occupancy" required for washable filters as well? Thanks in advance

I am wondering if you can obtain the credit for Construction IAQ management plan DURING CONSTRUCTION along with BEFORE OCCUPANCY or if it is just one credit or the other.

We are currently working on a LEED project where a significant portion of the finished space will classify as “Clean Room” under ISO 14644-1.

Dear all, I actually do know what is an absorptive material but only by logic/sense.

Our MEP sub-contractor need to clarify if we can use an smoke capsule for duct leakage test, prior to final air leakage test since the project specs is giving a small allowable 1% from basis of des

I have a project that don't use any HVAC system. It's all natural ventilation. Is it ok to left the HAVC protection out since there is nothing to protect.

Hi, I have a question regarding the upload requirements: the form asks for Upload IEQc3.1-1.

Hi all, We are not going to provide photos for this credit but we have an IAQ plan developed and the contractor has been following it according to the credit requirement.