Hi, Can anyone kindly interpret the sentence below from ASHRAE 62.1 2007 'All naturally ventilated spaces must be within 25' of (and permanently open to) operable wall or roof openings to the outdo

Blower Door Test for Non-Smoking Hotel For a Hotel Project where the Owner has confirmed its policy to be entirely non-smoking, is the requirement to conduct blower door testing (IEQP2: ETS Contro

How project teams applying combined a ventilation strategy(Mechanical + Natural) should proceed in order to meet the minimum requirements established in ASHRAE 62.1-2007, Table 6-4, for parking g

For this prerequisite it is necessary that the ASHRAE Standard 62.1-2007 is met. But what about the newest version ASHRAE Standard 62.1-2010? Does that one count as well? Thanks for your help!

Some sources (including LEED User) suggest that hallways pressurized with mechanical ventilation can be used to ventilate spaces in dwelling units that are adjacent to the unit entry door through i

The need to keep FTEs consistent through all credits is stressed though in the case of IEQp1 where for Mechanical Ventilation, table IEQp1-3, for code compliance based on square footage, the Pz (zo

I would like to know if there's any way I can consider walk-in closets in a residential building as unoccupied spaces.

Our project is a high-rise apartment building with C&S retail on the ground floor.

A WELL certification will be pursued and the project was registered to LEED v2009. IEQ Prerequisite 1 Option 1 will be in line with ASHRAE 62.1-2007.