Water Heater Size For 5 Person Family

Storage tank hot water heaters are sized based on btu input and capacity in gallons.

Water heater size for 5 person family.

Allot 12 gallons of hot water per person in the household. You can estimate the necessary tank capacity in gallons based on the number of people in the house. We ll also show you how to calculate the exact water heater size that meets your needs and saves you money. 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.

We ll explain why the numbers above are just loose estimates and how they might not accurately meet your hot water needs. Again the more you rely on hot water on a regular basis the more btus and capacity you ll need. How to size a tankless water heater. Sizing storage and heat pump with tank water heaters.

Simply locate the appropriate water heater sizes on ecomfort using your information. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. 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. 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.

The first factor in choosing a tankless water heater is calculating the size of your hot water heater. However keep in mind that this is a very loose estimate and it may not be accurate for your household s water usage. 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. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.