Residential Water Heater Sizes

Simply locate the appropriate water heater sizes on ecomfort using your information.

Residential water heater sizes.

Consequently these are the two most frequently installed sizes. For tank water heaters the key criterion is hot water storage capacity. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Since tankless water heaters don t store water you don t have to worry about capacity size.

For tankless water heaters the key criterion is hot water flow rate. Usually most homeowners find that either a 40 or 50 gallon hot water tank is the best fit for their needs. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. 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.

Learn what size water heater you need based on your specific needs and priorities. Water heater sizing guide from a o. Tankless water heater sizing guide for residential applications. Match the capacity of the hot water source to your exact needs.

Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. However you still need to be mindful of two factors. Smith is proud to be a leading manufacturer of residential water heaters. We already covered gpm.

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

Tankless water heater sizing calculator. Sizing storage and heat pump with tank water heaters. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. 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.

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. Flow rate and temperature rise.