The Core Performance Guide, and it's reference standard (Consortium for Energy Efficiency Commercial Unitary AC and HP Specification) has no standard for large (760 kbtu/h) systems. Table 2.9.2 of the CPG only includes water cooled heat pumps
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5867 thumbs up
October 25, 2012 - 9:47 am
I would think that means you would need to use Option 2 if the equipment is not covered by the CPG.