Forum quick links
MERV 13 Filters on both Return and Outside Air (Re-Amended?)
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by EunChung Kim on
So it seems that as of July 2010, MERV 13 filters were only required on the outside supply air.
Housekeeping exhaust rate
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by FABIO VIERO on
We are developing a building which has a cleaning storage rooms and all the cleaning products are closed/sealed except for temporary use (1 use per day). We want to persue the Ashrae 62.1-2007 by u
Differential pressure with large open basment parking garage
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by Meghan Ward on
Our LEED project building has a large three floor basement parking (74900 ft2) with small enclosed lobbies (with self-closing doors) connecting occupants to the office floors above.
Garage Space - Negatively Pressurized Rooms
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by Panda Aumpansub on
Hello there, For garage spaces that are designed for CO/NO₂ monitoring and have a neutral (Exhaust air – Supply air = 0) pressurization.
Exterior doors in meeting rooms
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by Jeannie Rueter on
The conference center I'm working on has several small meeting rooms that have interior and exterior doors with the exterior doors leading to open public terraces.
entryway systems for hospitals
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by Dario Ibarguengoitia on
Does anybody know wich option (roll out mats or permanent entryway systems ) is more efficient/clean for an hospital?
Air Recirc in DOAS/VRF Systems
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by eric jendro on
This credit states to exhaust hazardous spaces with no air recirculation.
Rubber Grating
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by Charline SEYTIER on
There's been discussions about rubber mats but we are dealing with a question concerning rubber grating that will come with a non-slip metal frame. Per our understanding, being grates, no weekly m
ASHRAE HVAC Apps Handbook Equation, Table 2, and Walls
NC-2009 IEQc5:Indoor Chemical and Pollutant Source Controlposted by Avery Colter on
OK, so a reviewer directed me to the 2011 ASHRAE HVAC Applications Handbook.