[Equest-users] Equest space heating in summer

[John Aulbach]

Burt:

Just a hunch.

In the Wizard, you  do not (as far as I know) have the luxury of temperature reset schedules. Therefore, your heat is available 24/7/365. Your space heating loop is also on a continuous basis, rather than a Demand basis. Therefore, you are circulating space heating hot water to the perimter all the time, at some minimum value to keep the perimeter "ready."

Remove the perimeter heating (make the space unconditioned) and see if your Summer gas goes away.  You can always send the .INP and the .PD2 files to the Forum.  Someone ALWAYS knows a good answer.

Welcome to the Forum.



John R. Aulbach, PE, CEM
Senior Energy Engineer

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________________________________
From: Burt <burt at mcaeg.com>
To: equest-users at lists.onebuilding.org
Sent: Mon, April 12, 2010 2:06:50 PM
Subject: [Equest-users] Equest space heating in summer


People of E-Quest:
I am new to the program and am using the Building Wizard.  Have an existing  one-story U shaped building with an area of 127,500 ft2.  The perimeter is heated by hot water and the core is gas furnace heated by package rooftop heat/cool units.  There is no reheat to the AC.  There is a gas-fired DHW water heater and storage.  The printout shows a significant space gas usage during the summer not including the DHW.  The DHW approximates the actual DHW of the building.  Does anybody have an idea what may be wrong?  Hope you can help.
 
Burt Swerdling
The MC Alliance Energy Group, Inc.
VP Of Engineering
30 Crossways East
Bohemia, New York11716
email: burt at mcaeg.com
 
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