What Size Water Heater Does A Family Of 5 Need

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.

What size water heater does a family of 5 need. 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 the average family of four a 40 gallon water heater like a. What size of tank does my family need. Its evident from this chart that a family of 5 which is very common in the us requires a 56 80 gallon size water heater.

This is between 180 and 270 litres though in canada we mostly measure tank size in gallons. Depending on your needs the size can go as low as 20 gallons and as high as 100 gallons. 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. Technically speaking you could round up to the 70 f temperature rise option but rounding down to 60 f is the more realistic and acceptable option in this scenario since we re only 3 f under the actual rise.

Tankless water heaters capacities aren t measured in gallons stored but in flow rates. Sizing storage and heat pump with tank water heaters. But it shouldn t be your. A tankless water heaters flow rate should be equal to your family s peak demand.

Our last example is a family of five in a large home that does have access to gas lines. 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. 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. 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. To determine what size tankless water heater. 5 or more people need a 50 80 gallon water heater.

3 4 people need a 40 50 gallon water heater. Smith s proline power vent gas water heater available from supplyhouse should get the job done. This home has all the same appliances as our first family plus an extra half bathroom adding another bathroom faucet at 1 5 gpm.