[Equest-users] no cooling in Winter (UNCLASSIFIED)
Eurek, John S NWO
John.S.Eurek at usace.army.mil
Tue Mar 18 07:24:54 PDT 2014
Classification: UNCLASSIFIED
Caveats: NONE
A well insulated office building with good air tightness and full of people and office equipment will likely need cooling in winter.
Sort of the same way I sweat my behind off in -10 degree weather while shoveling snow, wearing gloves, hat, snow pants, 2 coats and burning a lot of calories.... after 20 minutes I start to overheat. Building can't dress in layers, so they have to run the A/C to stay cool.
If you are wondering why the energy model would run a condensing unit or chiller instead of using an economizer (bringing in cold outside air) that is another question. I don't know if that is what you are asking. (If that is your question, I don't know the answer.)
John Eurek PE, LEED AP
Mechanical Engineer,
US Army Corps of Engineers
Omaha District CENWO-ED-DA
1616 Capitol Avenue
Omaha, NE 68102
Phone: (402) 995-2134
email: john.s.eurek at usace.army.mil
-----Original Message-----
From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Nick Caton
Sent: Tuesday, March 18, 2014 9:09 AM
To: Dionisio Franca; Elie Ayoub
Cc: equest-users
Subject: [EXTERNAL] Re: [Equest-users] no cooling in Winter
Change the model location to Hawaii?
Thank-you-thank-you-I'll-be-here-all-night!
To answer your question more specifically, you'll need to provide the list an understanding of what kind of systems you are modeling, and explain what real-world circumstances you mean to emulate to prevent cooling operations from occurring (what equipment/when/per what conditions/tstat settings/etc...).
Per Dio's response, cooling may or may not be appropriate behavior to observe, depending on circumstances. If you are unsure on that front, again, you'll need to provide details of climate/construction/loads/building size/usage to help others evaluate and provide feedback - it would help to specify if that's the feedback you're looking for.
Best regards,
~Nick
cid:489575314 at 22072009-0ABB
NICK CATON, P.E.
SENIOR ENGINEER
Smith & Boucher Engineers
25501 west valley parkway, suite 200
olathe, ks 66061
direct 913.344.0036
fax 913.345.0617
www.smithboucher.com
From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Dionisio Franca
Sent: Monday, March 17, 2014 7:32 PM
To: Elie Ayoub
Cc: equest-users
Subject: Re: [Equest-users] no cooling in Winter
Elie,
Cooling in winter may be necessary depending on the design of your building, its use, and its mechanical systems.
Best,
Dio
On Mon, Mar 17, 2014 at 4:30 PM, Elie Ayoub <eayoub at opus-engineering.com> wrote:
Dear all,
can someone please advise how to prevent the software from doing cooling in winter season
Many thx in advance
Elie Ayoub
Assistant Project Engineer
OPUS consulting engineers - Mechanical Department
www.opus-engineering.com <mailto:zhaddad at opus-engineering.com>
+961 / T: (0)1 381360 - F: (0)1 381356
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