Hello, We have a design completed in California with constant volume packaged rooftops controlled as a VVT system. The owner is contemplating getting LEED certification.

Help please! I have to submit the 62MZ Calcualtion today on a Storage Facility Project. IEQ Prereq 1 was denied and now in appeal.

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

Hi, I received a comment for (Design Preliminary Submission) ventilation calculations indicate a total area (3,055 sqf) significantly less than plf2 (6219 sqf) for the IEQp1 Our response is; The ar

Looking for consensus on whether it is required for compliance with 62.1 for this prerequisite to provide ventilation for laundry rooms within dwelling units of a high-rise residential tower?