Water Heater Size For Family Of 3

For 1 to 2 people.

Water heater size for family of 3.

Determine the home s fhr or first hour rating. 30 gallons family of 2 3. The first factor in choosing a tankless water heater is calculating the size of your hot water heater. 2 3 people need a 40 gallon water heater 3 4 people need a 40 50 gallon water heater 5 or more people need a 50 80 gallon water heater now before you make your final decision there is one other consideration to make and it s a big one.

What size water heater do i need. They provide the same level of performance and will work with electric or gas natural or propane systems. You can estimate the necessary tank capacity in gallons based on the number of people in the house. That s the measure of how much hot water the heater will deliver during a busy hour such as first thing in the morning.

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. Before buying a tank water heater most homeowners want to get a rough idea of the water heater size their family needs. Family of 1 2. 2 3 people you ll need at least a 40 gallon capacity tank.

This is because water heater size directly impacts its cost. 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. But if you only need a loose estimate of what size you need versus an exact calculation follow these guidelines.

To determine temperature rise subtract the incoming water temperature from the desired output temperature. 1 2 people you ll need a water tank with at least a 30 gallon capacity. The good news is that just by following a few guidelines you can find the perfect size water heater. The bigger the water heater tank the more expensive it will be.

Simply locate the appropriate water heater sizes on ecomfort using your information. The flow rate through the demand water heater would need to be at least 3 25 gallons 12 3 liters per minute. 40 gallons family of 5 or more. 40 gallons family of 3 4.

If your space won t accommodate a standard size water heater there are alternatives. To reduce flow rates install low flow water fixtures. For 2 to 3 people. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.

For a tank style heater household size is a simple indicator of hot water needs.