Does anyone have advice for a building where we are unable to find the drawings which specify the Design CFM for some of the exhaust fans?

Just compared the OA rates measured at each AHU by the TAB contractor with our ASHRAE calculations.

Hello All: Is there any specific requirement from LEED for what the VAV minimum should be during cooling or heating?

Our review comments indicate that we need to show multiple critical zones for certain AHU but the ASHRAE 62.1 calculator seems to only allow input for 1 critical zone. How do I add additional?

We are working on getting an 8-story office building LEED EBOM certified. The system utilizes large built up air handlers to provide supply air to fan powered VAV boxes.

Hi together, I have a question about using the VRP Compliance calculator. Have I only to consider occupied spaces respectively spaces which are intend to be occupied.

EBOM allows up to 10% of spaces to be excluded from certain credit calculations. Can we exclude any spaces from the calculations for IEQp1?

In this prerequisite we are following Case 1 and filling in details in the 2007UM-62MZ Calculator.

When demonstrating ASHRAE 62.1 compliance for VAV systems, what is the best approach to simulate worst case system conditions expected during normal ventilation operations?

I am working with a facility to determine if they can meet the prerequisite for the LEED EBOM. Currently the facility has 12 AHU's, some of them working for the same single space.