Water Heater Sizes

However every family has different water demand requirements.

Water heater sizes.

2 3 fixtures at once you ll need at least 5 gpm. Consequently these are the two most frequently installed sizes. This is the balance between how much water your water heater can store and how quickly it can reheat the water in its tank. Usually most homeowners find that either a 40 or 50 gallon hot water tank is the best fit for their needs.

Typically residential water heater sizes range from 40 to 100 gallon tanks. If your plan to use 5 or more fixtures at once you may need multiple tankless units in sequence. Choosing the right size of water heater also depends on your personal priorities. Mobile homes require water heaters specifically made for this type of dwelling.

You can estimate the necessary tank capacity in gallons based on the number of people in the house. What size water heater do i need. Utility water heaters usually range in size from 2 5 to 19 gallons. 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.

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 recovery rate. For a tank style heater household size is a simple indicator of hot water needs. Sizing storage and heat pump with tank water heaters.

1 2 fixtures at once you ll need at least 3 5 gpm.