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Schools-2009 EAp2:Minimum Energy Performance

HAP v4.5 and Hot Water Supply Temperarture Reset

HAP version 4.5 is not capable of modeling hot water temperature supply temperature reset in the baseline case as required under ASHRAE 90.1-2007 Appendix G3.1.3.4 yet the software has been approved by LEED for energy modeling. Can anyone tell how to comply with this section of the appendix when using this software version?

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

Wed, 08/28/2013 - 16:41

I don't think you can do so. Technically the software you select to do your modeling for Appendix G (LEED) must be able to model the systems in your proposed and baseline buildings (G2.2). So if the baseline has a boiler you should not be using HAP unless you can figure out a way to include this strategy with a work around or through so kind of post-processing of the modeling results.

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