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beopt hot water vs hot water, suppl.

New to modelling in BEopt. I'm wondering in the output what the difference is in "hot water" and "hot water, suppl." The two combined are coming out to higher than my heating load...

tkranz's avatar
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tkranz
asked 2018-08-13 18:02:47 -0500
__AmirRoth__'s avatar
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__AmirRoth__
updated 2018-08-13 21:55:52 -0500
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Since I;m modelling with a heat pump water heater in a garage (and i believe BEopt models that space as unconditioned), perhaps it's differentiating when it's able to use the heat pump vs supplemental heat (ie electric)?

tkranz's avatar tkranz (2018-08-14 22:45:42 -0500) edit
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For heat pump water heaters, "hot water" refers to the electricity consumption by the heat pump and "hot water, suppl." refers to the electricity consumption of the backup resistance element. All other water heater types (i.e., storage, tankless) will just show the "hot water" end use.

shorowit's avatar
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shorowit
answered 2018-08-15 00:34:07 -0500
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