How to size a tankless water heater.
Tankless water heater size do need.
While traditional tank water heaters are calculated by your family size a tankless water heater is calculated by the quantity and types of fixtures or appliances it will serve.
Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings.
Instead they heat it as it s needed.
For tankless water heaters the key criterion is hot water flow rate.
The first factor in choosing a tankless water heater is calculating the size of your hot water heater.
Choose the right tankless electric water heater for you.
Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate.
Tankless water heaters do not store hot water.
Therefore to size a demand water heater you need to determine the flow rate and the temperature rise you ll need for its application whole house or a remote application such as just a bathroom in your home.
The right size is a tankless water heater that can heat enough gallons of water to a specific temperature per minute to keep up with the demand.
What size of water heater do you need.
Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.
Tankless water heaters as their name suggests heat water on demand and do not maintain a supply of water.
We already covered gpm.
Tankless water heater sizing calculator.
Sizing is the technique that matches the capacity of the hot water source to the needs of the homeowners.
Just follow the three simple steps below to choose the right model and size you need.
Simply locate the appropriate water heater sizes on ecomfort using your information.
Electric units have measurements in the 10 inch high to 7 inch wide range while gas fired.
For tank water heaters the key criterion is hot water storage capacity.
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.
Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.
Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted.
Flow rate is the key spec when sizing a tankless water heater o brian says.