Calculate Size Of Tankless Water Heater

Whereas with tankless water heaters it s more important to know how many fixtures it s required to serve simultaneously.

Calculate size of tankless water heater.

Use our handy calculator to determine your needed flow rate and temperature rise then find models that match your needs. Looking to purchase a new tankless water heater but having trouble figuring out what size or model you need. Determine your water flow rates. I live in boston so my groundwater temperature is around 47 f.

Determine the combined flow rate in gpm. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. With traditional storage water heaters you could calculate the size of it based on the number of family members. Tankless water heater sizing calculator.

Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate. Where are you located. Use our sizing calculator to determine your. Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings.

Tankless water heater sizing calculator. 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. Determine the mounting space. Tankless water heater sizing calculator.

Flow rate and temperature rise. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. What size tankless water heater depends on your gpm at peak hot water demand. Simply locate the appropriate water heater sizes on ecomfort using your information.

Choose the right tankless electric water heater for you. As an example i will show you what came out for me. As an amazon associate we earn from qualifying purchases. 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.

And your temperature rise which is determined by your incoming water temperature subtracted from your hot water setting. Sizing tankless or demand type water heaters tankless or demand type water heaters are rated by the maximum temperature rise possible at a given flow rate. How to determine the required size of a tankless hot water heater. The resulting figure is called gpm gallons per minute or sometimes flow rate which helps determine your hot water heater size.

Measure your cold water temperature.