[Trace-users] Ventilation Rate

Wilson, Luke LWilson at integral-group.net
Mon Apr 5 13:27:19 PDT 2010


Thanks for the reply.
So the minimum ventilation rates that Appendix G is referencing is on the space level and not on the system level?
Luke

From: Scott Parker [mailto:sparker at aeieng.com]
Sent: Monday, April 05, 2010 4:25 PM
To: Wilson, Luke
Subject: RE: Ventilation Rate

You will have the same outside air per person or per area rate in the templates when you create a new alternate based on the Alternative 1.  If your system type changes so that you have a more efficient introduction of outside air, and thereby reduce the total outside air required, then this is a legitimate savings.  However, you must have the same outside air rates per person or per area (e.g. in a lab if you have a minimum of 6 ACH, once-thru, then you cannot show savings for going down to 4 ACH in the proposed design - I think this is what 90.1 wants to avoid).

Scott

From: trace-users-bounces at lists.onebuilding.org [mailto:trace-users-bounces at lists.onebuilding.org] On Behalf Of Wilson, Luke
Sent: Monday, April 05, 2010 4:03 PM
To: trace-users at lists.onebuilding.org
Subject: [Trace-users] Ventilation Rate

Hello,
For ASHRAE 90.1 Appendix G, it requires that the proposed and baseline ventilation rates be the same. I have my proposed ventilation rate. Is there a way to input a system level Ventilation rate in Trace?
Any help would be appreciated.
Thanks,

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