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NC-2009 EAc1:Optimize Energy Performance

Kitchen Hood Exhaust and Make-up Air

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Cory Duggin
Senior Energy Wizard
TLC Engineering Solutions
LEEDuser Premium Member
44 thumbs up

What is the correct way to account for kitchen hood exhaust and the consequential 100% OA makeup energy? This is a commercial kitchen and serving area in a hospital. Thanks in advance.

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 03/07/2012 - 00:24

Hi Cory, Your question is rather broad and could be interpreted a few different ways. Can you be more specific?
Profile picture for user cory.duggin
Cory Duggin
Senior Energy Wizard
TLC Engineering Solutions
LEEDuser Premium Member
44 thumbs up

Wed, 03/07/2012 - 13:58

I guess my question is would you classify kitchen exhaust and the make-up air energy as a process load or would it just be added energy use in the proposed? I don't think I should be adding any for fan energy to the baseline via exhaust since I have all fan energy on the supply fan based on the 90.1-2007 fan power calc.
Profile picture for user sheffer
Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 03/07/2012 - 16:28

If it is just an exhaust unit with make up air it is a process load.

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