What Size Water Heater Is Needed For A Family Of 5

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

What size water heater is needed for a family of 5. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. Looks like the rinnai ruc98in from amazon is going to be best to suit my needs. What size of tank does my family need. 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.

Most water heater tanks are 40 to 60 gallons in size. 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. And find a tankless model that would be able to handle the load at the needed temperature rise. 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. Depending on your needs the size can go as low as 20 gallons and as high as 100 gallons. So to determine the right size of a tankless water heater for a family of 5 you ll need to calculate the peak flow rate in your house. It is listed as being 9 8gpm but since my factors are not the best case scenario it drops down to 6 7 gpm.

However keep in mind that this is a very loose estimate and it may not be accurate for your household s water usage. Storage tank hot water heaters are sized based on btu input and capacity in gallons. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Sizing storage and heat pump with tank water heaters.

But it shouldn t be your. So i need to know what size tankless water heater is best for a family of 4. 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.

For example a family of 5 or more could live very comfortably on a 30 gallon tank water heater while a household of 2 might find that a 30 gallon tank can t provide enough hot water for their needs. For the average family of four a 40 gallon water heater like a.