Water Heater Sizing

Size tank or tankless water heaters by household demand, fuel type, and efficiency

DIYRuler estimate

Generated

May 17, 2026

Family Size

Heater Type

Fuel Type

Efficiency Level

Water Heater Recommendations

Recommended Tank Size:50 gallons

Efficiency Rating:60-80%

Equipment Cost:$650

Annual Operating Cost:$520

Total Equipment Cost:$650

• Installation tools not included

• Labor costs not included

• Permits may be required

• Consult local plumbing codes