I am having troubles understanding what is a single zone system and a multiple-zone system and how to fill out the forms.

We have a project that is natural ventilated in perimeter spaces (circulations and cafe dining rooms), and It is mechanical ventilated in core spaces (meeting rooms and cafe dining room) that is pu

I am submitting for review a project outside the US, in Brazil. The legislation of Brazil is very similar to that specified by ASHRAE 62.1.

As per ASHRAE 62.1 parking areas are subject to requirements for exhaust air and not ventilation rates. Accordingly, parking areas are not included in IEQp1, are they? Thanks in advance!

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?

Dear Concern:- The proposed project consist of 200000 sq.ft area in a single space It is totally metal building the roof top have natural ventilators and the exterior wall have louvers in all sid

Hi, In our project, we have 2 different ventilation system.

Hi, Is anyone whom could share sample template for appeal to USGBC. Also, what is the fastest way to contact the assigned reviewer for the project aside from feedback. Appreciate any assistance.

I received this question in IEQp1: "The ventilation calculations indicate that the value of the flow rate of air projected under the condition tested (DS) was modeled as 100% level for each of th

Dear all: There is an administrative wing of an industrial facility and my questions are: 1.