In the Reference Guide (page 84) under WEp1, it says that process water appliances like dishwashers and washing machines don't count under WEp1, but may be counted under WEc2 -- but only in considering Exemplary Performance. And interestingly, this is not mentioned in the Reference Guide under WEc2.
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Dan Ackerstein
PrincipalAckerstein Sustainability, LLC
LEEDuser Expert
819 thumbs up
December 23, 2009 - 8:34 pm
My understanding of that notation in the Reference Guide is that it allows for the consideration of exceptionally low-volume appliances in the context of an Exemplary Performance credit.
However, it should not be read to *require* the inclusion of those appliances or similar in the calculations for WEp1, WEc2, or an Exemplary Performance credit. A building can certainly earn any of the above without addressing such appliances; the standard suite of fixtures are what dictate performance.