Hi all,
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What is the baseline hot water heater efficiency to use from ASHRAE 90.1 2004 for instantaneous hot water heaters? The electric heater sub-categories in table 7.8 are for 20 gallons or above. Should the efficiencies be assumed the same in both proposed and baseline case?
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Thanks a lot?for your input.
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Beran Gurtekin-Celik
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