Residential Water Heater Sizes

Match the capacity of the hot water source to your exact needs.

Residential water heater sizes.

Water heater sizing guide from a o. 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. Smith is proud to be a leading manufacturer of residential water heaters. Tankless water heater sizing calculator.

Simply locate the appropriate water heater sizes on ecomfort using your information. 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. Usually most homeowners find that either a 40 or 50 gallon hot water tank is the best fit for their needs. The tankless water heaters shown here may or may not be suitable for your application depending on other factors such as wiring electrical needs home plumbing configuration water quality and more.

Sizing is the technique that matches the capacity of the hot water source to the needs of the homeowners. We already covered gpm. Flow rate and temperature rise. Tankless water heater sizing guide for residential applications.

Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. 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. 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. Now you need to understand what temperature rise means.

Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Learn what size water heater you need based on your specific needs and priorities. Since tankless water heaters don t store water you don t have to worry about capacity size. Sizing storage and heat pump with tank water heaters.

For tankless water heaters the key criterion is hot water flow rate. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. Consequently these are the two most frequently installed sizes. Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications.

Typically residential water heater sizes range from 40 to 100 gallon tanks. What size of water heater do you need.