[Equest-users] negative energy savings for infiltration reduction?
John Aulbach
jra_sac at yahoo.com
Tue Nov 22 17:31:39 PST 2011
Hi Steve:
I am just guessing, but when you tighten a building up from air, you tend to lose (in my experience) any "free cooling" you may have had from a leaky building in cooling months.
John R. Aulbach, PE, CEM
Senior Energy Engineer
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PartnerEnergy
1990 E. Grand Avenue, El Segundo, CA 90245
W: 888-826-1216, X254| D: 310-765-7295 | F: 310-817-2745
www.ptrenergy.com| jaulbach at ptrenergy.com
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From: steve clark <scstevemclark at gmail.com>
To: equest-users at lists.onebuilding.org
Sent: Tuesday, November 22, 2011 4:42 PM
Subject: [Equest-users] negative energy savings for infiltration reduction?
When modeling infiltration (ACH) reduction in equest, I often get smal negative electricity (cooling) savings and large positive heating savings. This can occur even when air sealing is accompanied by insulation( spray foam) for multifamily buildings in NJ and PA.
Do other people see this? IS there any explanation for this? or is a bug?
--
Steve Clark
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