[bldg-sim] LEED modeling questions

[Vikram Sami]

Peng Xu,

1. You can definitely take credit for daylighting providing you have the appropriate daylight sensors & dimmers installed (I dont think LEED accepts manual dimming as a credit). 
2. Since the ECB is written to measure the energy COST savings, you could get credit for the ice storage system. You might save energy overall since you are running your chillers at a cooler time of the day, but I'm guessing your biggest savings are in transferring peak loads to the night. Make sure you have the appropriate utility structure defined in your LEED submission.

Hope this helps.

Vikram Sami,  LEED AP
Direct Phone 404-253-1466 | Direct Fax  404-253-1366

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-----Original Message-----
From: postman at gard.com [mailto:postman at gard.com]On Behalf Of peng xu
Sent: Wednesday, January 12, 2005 3:03 PM
To: bldg-sim at gard.com
Subject: [bldg-sim] LEED modeling questions


I am currently working on an building model for a LEED project.  I was
hoping to get some information on whether we can get any benefits in
LEED for the two features listed below.
1)Day lighting control.  The new building will use day lighting
control.  Can we get credit in LEED for this? Should the budget building
be modeled with day lighting control also?
2)Ice storage.  ASHRAE 90.1-1999 did not specify how to deal with Ice
storage system.  Can we get credit in LEED because it reduces energy
cost? Should the budget building modeled with ice storage?

Thanks

-- 
Peng Xu, Ph.D., P.E.
Commercial Building Systems Group
Lawrence Berkeley National Laboratory, MS 90R3111
Berkeley, CA 94720-8134
Tel: (510) 486 4549
Fax: (510) 486 4089

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