[Bldg-sim] Typical hot water usage in commercial buildings

Joe Huang YJHuang at whiteboxtechnologies.com
Thu Jul 15 19:55:20 PDT 2010


Thanks for the information. I'll look for a copy of the User's Manual.
However, I'm trying to move away from Btu/h to gallons/day or gallons/hr 
profiles that would allow me to account for differing boiler 
efficiencies as well as entering water temperatures by location.

Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd. Suite 108D
Moraga CA 94556
(o) +925 388 0265
(c) +510 928 2683
yjhuang at whiteboxtechnologies.com
www.whiteboxtechnologies.com


Craig Gann wrote:
>   The ASHRAE 90.1 User's Manual lists typical hot water consumption for 
> various building types (P. G-32). For offices it is 175 Btu/h per 
> person. They also have representative hourly usage schedules.
> 
> Regards,
> 
> Craig J. Gann, P.E. LEED AP
> www.EnergySimulators.com <http://www.EnergySimulators.com>
> 
> On 7/15/2010 6:17 PM, Joe Huang wrote:
>> Does anyone have default values for the amount of hot water used per 
>> day, either per person or per floor area, preferably the former, in 
>> commercial buildings by building type, i.e., offices, hotels, retail,
>> supermarket, schools, hospitals, etc. ?
>>
>> I'm trying to clean up my prototypical commercial building models and 
>> found those inputs to be highly questionable.
>>
>> Thanks.
>>
>> Joe Huang
>> White Box Technologies, Inc.
>> 346 Rheem Blvd. Suite 108D
>> Moraga CA 94556
>> (o) +925 388 0265
>> (c) +510 928 2683
>> yjhuang at whiteboxtechnologies.com 
>> <mailto:yjhuang at whiteboxtechnologies.com>
>> www.whiteboxtechnologies.com <http://www.whiteboxtechnologies.com>
>>
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