The template requires data be entered for both Ez and Ev. From what I read in ASHRAE 62.1-2007 Ez is not related to your Vot if you have a multi-zone system. In additional unless your...

Below is a previously submitted credit interpretation that was accepted. Our project is almost identical to the situation that is outlined. The primary difference between our project and the...

Could a sliding patio door contribute to the total operable wall area in a naturally ventilated space, or is it windows only? (per ASHRAE 62.1-2007 paragraph 5.1)

We are working on a major renovation project and the restrooms have natural ventilation. Do we have to provide additional mechanical exhaust to comply with ASHRAE? Will having natural ventilation...

We are currently working on the design of an industrial plant (aluminum casting in specifics) with two sections - manufacturing hall and administrative/engineering offices. (They are directly...

I'm working on a project that is a small office building and is completely naturally ventilated (has only wall mounted AC units), no duct work. We use only operable windows for ventilation (...

Dear Mr. Roger Chang

I was hoping if you could provide some information on the ASHRAE 62.1 2007 standard related to "Minimum Ventilation rates in breathing zone" for Hotel room...

Dear all,

As I noticed, the LEED Online letter template for IEQ Prereq1 can not be used for...

Dears,
We are designing an enclosed Shopping Mall in Brazil, but have come to a halt when faced with the occupancy rates required by ASHRAE 62.1-2009. The mechanical team has considered...

My project has designed UVC emitter in HVAC equipment. The design team believe this devices help reduce the space demand on outdoor air, and thus the project is planning to design the outdoor...