[Equest-users] Ventilation Energy
vikram.sami at zgf.com
Wed Sep 11 14:07:34 PDT 2013
I don't think there is a direct way to do this. Could you just run it with zero outside air and see the difference?
Another way I guess would be to subtract the space loads from the system loads - which would in theory get you the ventilation loads. This won't actually tell you how much energy is being used to meet that load though. Much simpler to zero out the OA.
ZGF ARCHITECTS LLP
T 206.521.3509 E vikram.sami at zgf.com
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From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Pasha Korber-Gonzalez
Sent: Wednesday, September 11, 2013 1:28 PM
To: The Watt Doctors - Dave Weigel
Cc: eQuest Users
Subject: Re: [Equest-users] Ventilation Energy
Hi Dave, I use the quick and dirty way for peak vent loads from the SV-A report using the multiplier of the supply cfm and the OA% values at the top of the report. You can also compare the peak Vent CFM at the zone level at the bottom of the report where they show the OA CFM for each zone.
Does anybody else use hourly reports to compile the Ventilation data?
On Wed, Sep 11, 2013 at 1:21 PM, The Watt Doctors - Dave Weigel <Dave.Weigel at thewattdoctors.com<mailto:Dave.Weigel at thewattdoctors.com>> wrote:
Hi eQuest Group,
I was wondering if there is a quick way to determine how much of the projected energy use in a building is due to conditioning of ventilation air? I have scoured through the eQuest reports and detailed simulation output but no luck (unless I'm missing something). I suppose I can run the simulation again with ventilation set to zero, but it would be great if it could be drawn straight from the simulation output.
David R. Weigel, PE
1189 Golden Circle SW, Lilburn GA 30047
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