[Bldg-sim] Hot water heater question (ASHRAE 90.1, 2004)

beran gurtekin beran_gc at yahoo.com
Fri May 15 08:38:17 PDT 2009


Hi all,
 
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?
 
Thanks a lot for your input.
 
Beran Gurtekin-Celik

 



      
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