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If pursuing Option 2, what is the scope of the energy model if the space shares a central plant, and what type of software should be used?

For Option 1, Zoning and Controls, is a thermostat considered an “active control capable of sensing space demand"?

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CI-2009 EAc1.3:Optimize Energy Performance—HVAC

Demonstrate Savings for CRAC Units

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Gabriela Crespo
BECxP, CxA+BE, LEED AP BD+C, O+M
Revitaliza Consultores
LEEDuser Basic Member
18 thumbs up

Dear all, Same project as before, Central Chilled Water System, not in our scope. The only HVAC equipment in our scope are 2 CRAC units for the office's SITES. If we want to demonstrate savings for these units, I understand we should do energy modelling, is it possible to only model the site rooms, or should we model the whole offices? Thanks!

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4452 thumbs up

Sat, 08/06/2016 - 18:33

CRAC units are not regulated in 90.1-2007 so you would have not baseline for comparison. I suppose you could use the 90.1-2010 values for the baseline. You need to show an overall savings so you have to model the whole thing.

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