water heater sizing
water heater sizing
(OP)
When sizing a water heater for the central plant of a multi unit condo, statistically how many showers are being used at one time. 100% of the users, 50% ?
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RE: water heater sizing
The ASHRAE factors are of course, an average. You should consider also, how the condo owners live. Do they all get up at the same time for showers? Do half? Do some shower at night instead of morning? Talk to the owner or architect. If in doubt, use .75 for demand factor. They won't get mad if they don't run out of hot water.
RE: water heater sizing
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