What Size Water Heater Should I Get For A Family Of 5

How to size a tankless water heater.

What size water heater should i get for a family of 5. 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. If you want help calculating what size water heater your family needs or need more information about the pros and cons of a tankless water heater contact us at the plumbing source. That s the minimum fhr that this home should needs on its water heater.

Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. Smith s proline power vent gas water heater available from supplyhouse should get the job done. The bigger the water heater tank the more expensive it will be. Again the more you rely on hot water on a regular basis the more btus and capacity you ll need.

For the average family of four a 40 gallon water heater like a. 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. Storage tank hot water heaters are sized based on btu input and capacity in gallons. Now multiply this amount times the 12 gallon allotment and you end up with an fhr of 60.

But it shouldn t be your. The first factor in choosing a tankless water heater is calculating the size of your hot water heater. 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. This is because water heater size directly impacts its cost.

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. In this case we have 4 bedrooms so we add 1 and get 5. We ll go over the math with you and make sure you find a hot water heater that s the perfect size for your family. 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.

And find a tankless model that would be able to handle the load at the needed temperature rise. How to determine the size of a water heater tank. 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.