I noticed Ben's comment below from February 10th, "Also, if the CO2 sensors are located in the return duct, the review team will likely request justification for how those sensors are accurately a

Hello. Is it necessary to consider the zone air distribution effectiveness (Ez) for projects unable to meet ASHARE 62.1-2007 when calculating 10cfm/person minimum ventilation? Thanks in advance,

Hello. On 6.2.2.1 Breathing Zone Outdoor Airflow, I read "Note: If Pz cannot be accurately predicted during design, it shall be an estimated value based on the zone floor area and the default occu

I am working on a small project with a design team that is fairly new to LEED.

Hi, For the Design total supply to zone (Vdzd) and Design total supply airflow (Vpsd), should those numbers reflect the design flow at the condition analyzed?

Hello, I have two questions from our ME about using the spreadsheet calculator: 1. Neither of us can get the macros to work on the calculator - to add zones, etc.

Hi all, We received our comments back from the reviewers and it appears we are missing our exhaust systems report.

I am working on a LEED EB project, the Total Peak occupancy filled in Plf 3 is clear, however, but just wonder how this number can also maintain reasonable in IEQ P1 in order to calculate the Popul

We working on a industrial building where there is an unconditioned dining area for factory workers. This dining area is provided with roof mounted exhaust fans.

On this same note, what do you all think about this situation: we have all our OA measurement done for each AHU and all are complying except 1 because the TAB contractor thought it was acceptable t