What Size Electric Tankless Water Heater For Family Of 4

Determine the combined flow rate in gpm.

What size electric tankless water heater for family of 4. With traditional storage water heaters you could calculate the size of it based on the number of family members. A tankless water heater albeit more expensive upfront will provide you with hot water no matter what. Simply locate the appropriate water heater sizes on ecomfort using your information. Sizing storage and heat pump with tank water heaters.

It is listed as being 9 8gpm but since my factors are not the best case scenario it drops down to 6 7 gpm. For the average family of four a 40 gallon water heater like a. For example an electric tankless heater that is rated at raising the water temperature 55 degrees at 1 5 gpm will supply you with a 120 degree temperature if the incoming water is 65 f or higher. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.

How to size a tankless water heater. 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. 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. Smith s proline power vent gas water heater available from supplyhouse should get the job done.

The first factor in choosing a tankless water heater is calculating the size of your hot water heater. So i need to know what size tankless water heater is best for a family of 4. Tankless units work by using built in coils to heat water when you need it meaning you ll always have hot water on demand. Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate.

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. Indoor condensing tankless water heater for family of 4 noritz nrc66dvng hot water heater 6 5 gallons per minute the flow rate of this unit reaches 6 5 gallons per minute able to meet the demand on hot water for 4 sinks at the same time. But it shouldn t be your. 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.

This makes these types of water heaters more efficient than traditional storage tank water heaters which could end up reducing your energy bills.