Water Heater Capacity

By ProMatcher Staff

Sizing a Water Heater

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When installing a conventional water heater, it is important to choose one that will fit your household’s needs. The capacity of your water heater will be based on the number of people living in the home and the number of bathrooms. An undersized water heater has to work overtime. Overuse can take years off the life of your appliance.

General Guidelines

Household Size: 1-2 people
Recommended Tank Size: 30-50 gallons

Household Size: 2-3 people
Recommended Tank Size: 40-50 gallons

Household Size: 3-4 people
Recommended Tank Size: 40-60 gallons

Household Size: 4-6 people
Recommended Tank Size: 50-80 gallons

Household Size: 6 or more people
Recommended Tank Size: 75-100 gallons

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Related: Traditional vs. Tankless Water Heaters

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About the Author

ProMatcher Staff, ProMatcher
Orlando, FL 32803

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