Standard Water Heater Size

Family size water heater capacity.

Standard water heater size.

We already covered gpm. You can estimate the necessary tank capacity in gallons based on the number of people in the house. 2 3 people you ll need at least a 40 gallon capacity tank. To select the right state water heater for your home try our xpert product selector for personalized estimates of the performance and estimated energy cost.

If you don t want to bother with any calculations here is an easy reference chart you can use to figure out the right tank capacity for your home. For 1 to 2 people. What size water heater do i need. Well to get an accurate answer you d have to calculate out how much hot water you typically use during your busiest hot water using hour.

Utility water heaters usually range in size from 2 5 to 19 gallons. But if you only need a loose estimate of what size you need versus an exact calculation follow these guidelines. Small storage tank water heaters known as point of use or utility water heaters are good choices for adding hot water to outbuildings shops or garages. To properly size a storage water heater for your home including a heat pump water heater with a tank use the water heater s first hour rating.

1 2 people you ll need a water tank with at least a 30 gallon capacity. 30 40 gallons for 2 to 3 people. For tankless water heaters the key criterion is hot water flow rate. For tank water heaters the key criterion is hot water storage capacity.

What size of water heater do you need. Sizing storage and heat pump with tank water heaters. Tankless water heater sizing calculator. The first hour rating is the number of gallons of hot water the heater can supply per hour starting with a tank full of hot water.

American standard waterheaters recognized throughout the world. 1 or 2. American standard the name recognized throughout the world of quality built products is also the trusted name that large residential commercial property owners managers plumbing contractors depend on for reliable energy efficient gas and electric water heaters. Size a water heater based on number of people in a household.

Sizing is the technique that matches the capacity of the hot water source to the needs of the homeowners. For a tank style heater household size is a simple indicator of hot water needs.