To date I have never received a comment from a reviewer regarding required exhaust per Table 6-4.

Before the excel spreadsheet introduction naturally ventilated spaces were referenced in the IEQp1 form. Where can those spaces be referenced in the spreadsheet? Thank you!

We are working on a Project, in which most of the rooms are complying with the ASHRAE 62.1-2007 Natural Ventilation requirements, stated under the IEQ Prerequisite 1 – Minimum Indoor Air Quality Pe

Do we need to comply with the ventilation rates in Table 6-1 (ASHRAE 62.1-2007) for electrical rooms, lift machine rooms, electrical rooms etc?

For a VAV (multiple-zone) system should the Design System Primary supply Airflow (Vpsd) sum up the total supply (and not the outdoor) air of each zone?

I am calculating the ventilation requirements for a conference room. From the ASHRAE Table 6-1 I selected .06 cfm/ft2 and 5 cfm/person. The room has occupancy of 8 people.

I'm trying to show compliance with IEQp1 using indirect mechanical ventilation in residential units. Makeup air units supply the corridors which indirectly ventilate the residential units.

Hi, There's several quality level for interior air in EN 15251 : category I to III.

Can the make-up air (CFM) provided for a kitchen hood exhaust system be considered as part of the total OSA CFM, in the VRP calculation?