Water Heater Size For Family Of 3

They provide the same level of performance and will work with electric or gas natural or propane systems.
Water heater size for family of 3. That s the measure of how much hot water the heater will deliver during a busy hour such as first thing in the morning. The first factor in choosing a tankless water heater is calculating the size of your hot water heater. The bigger the water heater tank the more expensive it will be. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.
How to determine the size of a water heater tank. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. 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. But if you only need a loose estimate of what size you need versus an exact calculation follow these guidelines.
For 1 to 2 people. To determine temperature rise subtract the incoming water temperature from the desired output temperature. This is because water heater size directly impacts its cost. Family of 1 2.
How to size a tankless water heater. For 2 to 3 people. Simply locate the appropriate water heater sizes on ecomfort using your information. 40 gallons family of 3 4.
For a tank style heater household size is a simple indicator of hot water needs. To reduce flow rates install low flow water fixtures. What size water heater do i need. The flow rate through the demand water heater would need to be at least 3 25 gallons 12 3 liters per minute.
The good news is that just by following a few guidelines you can find the perfect size water heater. Before buying a tank water heater most homeowners want to get a rough idea of the water heater size their family needs. Determine the home s fhr or first hour rating. Well to get an accurate answer you d have to calculate out how much hot water you typically use during your busiest hot water using hour.
If you re going with a storage tank water heater here s a rough guide for storage tank capacity. 2 3 people you ll need at least a 40 gallon capacity tank. 40 gallons family of 5 or more. 30 gallons family of 2 3.
If your space won t accommodate a standard size water heater there are alternatives.