[Equest-users] Excessive summer heating

Harmon, Amy aharmon at sbmce.com
Fri Mar 6 08:29:22 PST 2015

Hi Harshul!
Thanks for the response, it's not the unmet heating hours I'm too concerned about it unless something I did previously has caused the summer excessive heating.
The LEED reviewers commented that report PS-A & PS-B showed an excessive amount of heating during the summer months...in the month of July the heating load of 269 MBTUs of heating roughly 20.9% of the total heating and cooling load (269 MBTU + 1018.7 MBTU).

Amy Harmon
Mechanical Engineer
Scheeser Buckley Mayfield LLC
1540 Corporate Woods Parkway
Uniontown, OH 44685
Phone: (330) 896-4664 ext. 107
Direct: (330) 526-2707
Fax: (330) 896-9180

From: Singhal, Harshul [mailto:HSinghal at ThorntonTomasetti.com]
Sent: Friday, March 06, 2015 10:32 AM
To: Harmon, Amy; equest-users at lists.onebuilding.org
Subject: RE: Excessive summer heating

Hi Amy,

The current model (you sent) has 172 unmet load hours coming from zone: "EL5 SSW Perim Zn (G.SSW2)"

I gave a real quick look at model and as per LEED it looks fine to me. DO you mean to decrease these unmet load hours or you already made changes and sent the model here at eQuest group?

I would say check SS-R report and see what zones have unmet load hours & you can increase supply CFM in those particular zones.

Harshul Singhal, LEED AP BD+C
Project Consultant
Thornton Tomasetti
386 Fore Street, Suite 401
Portland, ME  04101
T +  F +
D +
HSinghal at ThorntonTomasetti.com<mailto:HSinghal at ThorntonTomasetti.com>

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Harmon, Amy
Sent: Friday, March 06, 2015 9:58 AM
To: equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: [Equest-users] Excessive summer heating

I received comments back from the LEED reviewers; they comment that I have excessive summer heating.  Prior to submitting to USGBC, I had already fooled with the throttling range and system cooling control to warmest.  Tweaking those helped with the unmet heating hours I had previously.  Could messing with those 2 items before have caused the excessive summer heating?  Any suggestions to lower the excessive summer heating?  I've attached the inp and pd2 file.  I'm running version 3.64.
Any help is appreciated.  Thanks!

Amy Harmon
Mechanical Engineer
Scheeser Buckley Mayfield LLC
1540 Corporate Woods Parkway
Uniontown, OH 44685
Phone: (330) 896-4664 ext. 107
Direct: (330) 526-2707
Fax: (330) 896-9180
aharmon at sbmce.com<mailto:aharmon at sbmce.com>

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