Good afternoon all,

We are working on a project where we have a 100% Outdoor Air system that will operate at 100% (constant volume) under normal operating conditions, however it...

We have a project in Vietnam in which the local standard (5.5 lps/person) is more stringent than ASHRAE 62.1.

Q1: Does a more stringent standard means higher fresh air requirements?

We have a factory project with some rooms where I am not sure about their classification as "occupiable" or not. Specifically they are "dirt removal" and "cleaning" rooms. I am still working out...

The mechanical engineering team on the LEED project I am working on has proposed to install current monitoring switches at each unit supply fan power feed.

Is this an acceptable...

I feel like I've seen this discussed before on here but I'm not finding it at the moment.  We're wondering if a...

I am working on a project with many small buildings connected to each other , some of the very small rooms may be designed with free fresh air entering through fresh air grilles not fans , is...

Dear all,

We have been told by LEED coach that under cooling condition, the VRP calculation should use minimum Vpz for zone, and use the design maximum Vps for system, but if all VAVbox's...

We are working with a "Dayroom" space that has the following requirements: 4...

Hi all, I am pretty clear about the definition of nonattainment area given in ASHRAE 62. This being said, how to identify nonattainment areas for projects outside of the US/Canada? Are you aware...

Hi,

We are now doing a school dormitory project. The owner do not intend to design mechanical ventialtion system (with piping system) for the corridors. The corridors connects occupiable...