Utility water heaters usually range in size from 2 5 to 19 gallons.
Standard water heater size.
Family size water heater capacity.
For 1 to 2 people.
For tankless water heaters the key criterion is hot water flow rate.
2 3 people you ll need at least a 40 gallon capacity tank.
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.
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.
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.
30 40 gallons for 2 to 3 people.
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.
If you re going with a storage tank water heater here s a rough guide for storage tank capacity.
1 or 2.
Sizing storage and heat pump with tank water heaters.
What size of water heater do you need.
You can estimate the necessary tank capacity in gallons based on the number of people in the house.
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.
Sizing is the technique that matches the capacity of the hot water source to the needs of the homeowners.
Now you need to understand what temperature rise means.
But if you only need a loose estimate of what size you need versus an exact calculation follow these guidelines.
For tank water heaters the key criterion is hot water storage capacity.
What size water heater do i need.
We already covered gpm.
American standard waterheaters recognized throughout the world.
For a tank style heater household size is a simple indicator of hot water needs.
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.
Tankless water heater sizing calculator.
Size a water heater based on number of people in a household.