[Equest-users] Help - excessive electricity for space heating

Michael Campbell mike at sustainablesolutionscorporation.com
Mon Aug 27 13:50:01 PDT 2012


I just experimented by changing my heating setpoints from 72 to 55 in the
areas with unit heaters, and it had no effect at all on the electricity
usage for space heating.  How can this be?



*Mike Campbell, EIT, LEED AP O+M
Sustainability Specialist*

(610) 569-1047 office

(610) 569-1040 fax

mike at sustainablesolutionscorporation.com

www.SustainableSolutionsCorporation.com<http://www.sustainablesolutionscorporation.com/>



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*From:* Rob Hudson [mailto:rdh4176 at gmail.com]
*Sent:* Monday, August 27, 2012 4:42 PM
*To:* Michael Campbell
*Cc:* equest-users at lists.onebuilding.org
*Subject:* Re: [Equest-users] Help - excessive electricity for space heating



Just looking at your INP file quickly, it appears you have several electric
unit heaters that are trying to keep spaces heated to the same 72 degree
temperature as the rest of the building.  You may want to put those spaces
on a separate schedule with a lower thermostat setting as they are
unoccupied and not necessary to keep at high temperatures unless desired by
owner.  Those systems should also be taken off of any fan schedule so they
only turn on when necessary to reach space setpoints.  if you eliminate the
schedule, make sure to turn on the option of night cycling without OA.



Hope this helps,



Rob

On Mon, Aug 27, 2012 at 4:25 PM, Michael Campbell <
mike at sustainablesolutionscorporation.com> wrote:

Hello,



I’m having some trouble with my simulation – I’m currently working on this
for a LEED project and I’m putting the proposed design together. I think
I’m at the point where I’m about finished with the proposed design.  When I
run the simulation, it is showing almost as much electric used for heating
as I’m using for cooling – the problem is that nearly the entire building
uses gas heat.  Can someone help me out here?



Thanks



*Mike Campbell, EIT, LEED AP O+M
Sustainability Specialist*

(610) 569-1047 office

(610) 569-1040 fax

mike at sustainablesolutionscorporation.com

www.SustainableSolutionsCorporation.com<http://www.sustainablesolutionscorporation.com/>



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any attachments.*




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-- 
Rob Hudson
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