[Equest-users] Baseline system 5 vs wshp

[Bishop, Bill]

Allen,

Without knowing anything else about the project, one thing that comes to mind is that maybe the Baseline should be System 6 because your predominant condition is electric-only heating. This could be the case unless you have boilers supplementing the heat pump loop, or if you have gas-fired DOAS. 60% is possible if, for example, you have heat recovery and the baseline doesn't require it, and you are in a heating-dominated climate. If you post your .pd2 and .inp files to the list, you never know who will take a look and provide some quick feedback.

Regards,
Bill

[Senior Energy Engineer 28Jun2012]<mailto:wbishop at pathfinder-ea.com>

From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Allen Spencer
Sent: Friday, January 04, 2013 8:43 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Baseline system 5 vs wshp

Hello Equest-Users,
We have submitted a project for LEED and have received feedback that states the energy savings ( in therms ) is unsubstantiated. Has anyone else compared a vav w/ reheat system to a wshp system? Our model shows a 60% savings in therms, does this seem excessive? I've checked the inputs and can't see why this might be happening.  Any help would be greatly appreciated. Thanks.

Allen Spencer

Rabideau Architects
550 Hinesburg Rd | Suite 101 | South Burlington, VT
802-863-0222 | allen at rabideau-architects.com

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