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Water Heater Capacity

Sizing a Water Heater

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

If you need helping installing a new water heater, ProMatcher can help you get a free cost estimate from a pro in your local area.

Related: Traditional vs. Tankless Water Heaters

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ProMatcher Staff, ProMatcher
Orlando, FL 32803

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