What Size Water Heater Do I Need For Family Of 5

There the tankless heater has to work extra hard to bring the water temperature up to 110 f or 120 f.

What size water heater do i need for family of 5. If you don t i ll try to explain everything really short. One option would be the rheem rtgh 95dvln 9 5 gpm indoor direct vent tankless natural gas water heater. We ve already covered most of the necessary info earlier. If your family size is 5 or more you ll need an 80 gallon tank electric or a 50 gallon tank natural gas or liquid propane.

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. It is listed as being 9 8gpm but since my factors are not the best case scenario it drops down to 6 7 gpm. But it shouldn t be your. If you have time we recommend reading the whole guide.

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. So i need to know what size tankless water heater is best for a family of 4. However keep in mind that this is a very loose estimate and it may not be accurate for your household s water usage. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.

Now that this family can answer the question what size electric tankless water heater do i need they just need to pick a good tankless water heater. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. In short a family of 5 would need a 10 gpm gas tankless heater or 27 kw electric tankless heater if you live in the northern part of the usa where the input water has a lower temperature. 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.

Sizing storage and heat pump with tank water heaters. Simply locate the appropriate water heater sizes on ecomfort using your information. Looks like the rinnai ruc98in from amazon is going to be best to suit my needs. 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.

Smith s proline power vent gas water heater available from supplyhouse should get the job done. How big of a tankless water heater i need.