⭐ Flagship Everyday Solver
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Real Estate & Home
Water Heater First Hour Rating (FHR) Sizer
Size tank vs tankless water heater peak-hour gallons based on bathroom fixtures and family size.
Input Variables
Number of Bathrooms
Household Headcount
Assumptions & Rates
Peak Showers Running
Inlet Ground Water Temp (F)
Calculation Results & Sensitivity
Peak Gallons Needed (FHR)
$0
Recommended Tank Size
$0
Tankless GPM Flow Needed
$0