Standard Water Heater Size

For tankless water heaters the key criterion is hot water flow rate.

Standard water heater size.

If you re going with a storage tank water heater here s a rough guide for storage tank capacity. For tank water heaters the key criterion is hot water storage capacity. Family size water heater capacity. For a tank style heater household size is a simple indicator of hot water needs.

American standard waterheaters recognized throughout the world. 30 40 gallons for 2 to 3 people. Before we get to how to use the calculator to size a tankless water heater let s talk about the factors that go into understanding what size inline water heater you need. Tankless water heater sizing calculator.

Now you need to understand what temperature rise means. Sizing is the technique that matches the capacity of the hot water source to the needs of the homeowners. 1 or 2. We already covered gpm.

Sizing storage and heat pump with tank water heaters. What size of water heater do you need. 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. 2 3 people you ll need at least a 40 gallon capacity tank.

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. For 1 to 2 people. 1 2 people you ll need a water tank with at least a 30 gallon capacity. 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.

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. 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. But if you only need a loose estimate of what size you need versus an exact calculation follow these guidelines.

Utility water heaters usually range in size from 2 5 to 19 gallons. Size a water heater based on number of people in a household.