Water Heater Size For 5 Person Family

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.

Water heater size for 5 person family.

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

We ll also show you how to calculate the exact water heater size that meets your needs and saves you money. Allot 12 gallons of hot water per person in the household. Storage tank hot water heaters are sized based on btu input and capacity in gallons. For a tank style heater household size is a simple indicator of hot water needs.

Sizing storage and heat pump with tank water heaters. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. How to size a tankless water heater. 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.

We ll explain why the numbers above are just loose estimates and how they might not accurately meet your hot water needs. 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. Again the more you rely on hot water on a regular basis the more btus and capacity you ll need. However keep in mind that this is a very loose estimate and it may not be accurate for your household s water usage.