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Residential / Multi-Family Sizing Tool
USAGE DETAILS
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Daily HW Use Per Person, Gal.
ASHRAE uses 15.5 gal/person/day but we suggest using 20 g/p/d.
Number of Residents
For a single-family residence, use the theoretical maximum occupancy of the dwelling rather than actual occupancy to ensure sufficient hot water in all scenarios.
CALCULATED DAILY USAGE
Peak Period Usage (%)
55%
DHW Usage (Gal/Day)
Equivalent at SANCOâ‚‚ Temp
Required Storage Capacity (Gal)
SIZING RECOMMENDATION
Number of Heat Pumps
Heat Pump Output (Gal/Hr)
Tank Recommendation
Heat Pump Daily Run Time (Hrs)
* This sizing tool is intended to offer an accurate estimate of the number of heat pumps and storage capacity required for a given application. This estimate depends upon accurate input values.
ECOâ‚‚ Systems LLC is not responsible for inaccurate sizing obtained with incorrect inputs.
If you have any questions about this sizing tool, or if you need help with sizing, please contact us.
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