I am currently working on a building whose main function will be for painting and which will contain several large paint booths. Over 90% of the energy expended by the building will be to condition the outside air required for the painting process. The intent is to use energy recovery for the paint booth air-conditioning units. ASHRAE 90.1-2007 section 6.5.6.1 Exception c does not require energy recovery for systems that exhaust paint. My intent is to model the baseline building without energy recovery and the proposed with energy recovery and the subsequent process energy savings would be applied toward satisfying EAp2 and earning points for EAc1.
Does this sound like a reasonable approach? If not, I would like to hear your suggestions. TIA.
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
October 11, 2012 - 11:35 am
You will need to provide an exceptional calculation. The fact that 90.1 does not require energy recovery for a process load does not necessarily mean the baseline is no energy recovery. The baseline should be standard industry practice when building a new facility of this type. It is the responsibility of the project team to make the case that no energy recovery is the standard industry practice in this type of facility.