Water heater sizing
GallonGauge
Gallons, first-hour rating and GPM — the three numbers that decide it.
Water heater size
24 calculations · Water heater size · browse all
- What size water heater for a household of 1 in the southern US?
- What size water heater for a household of 2 in the middle US?
- What size water heater for a household of 3 in the northern US?
- What size water heater for a household of 5 in the southern US?
- What size water heater for a household of 6 in the middle US?
- What size water heater for a household of 7 in the northern US?