Standard Water Heater 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.

Standard water heater size.

Sizing storage and heat pump with tank water heaters. Now you need to understand what temperature rise means. If you don t want to bother with any calculations here is an easy reference chart you can use to figure out the right tank capacity for your home. Family size water heater capacity.

If you re going with a storage tank water heater here s a rough guide for storage tank capacity. American standard waterheaters recognized throughout the world. 1 or 2. Utility water heaters usually range in size from 2 5 to 19 gallons.

We already covered gpm. For tankless water heaters the key criterion is hot water flow rate. For tank water heaters the key criterion is hot water storage capacity. 1 2 people you ll need a water tank with at least a 30 gallon capacity.

2 3 people you ll need at least a 40 gallon capacity tank. For 1 to 2 people. 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 is the technique that matches the capacity of the hot water source to the needs of the homeowners.

But if you only need a loose estimate of what size you need versus an exact calculation follow these guidelines. For a tank style heater household size is a simple indicator of hot water needs. What size water heater do i need. Small storage tank water heaters known as point of use or utility water heaters are good choices for adding hot water to outbuildings shops or garages.

You can estimate the necessary tank capacity in gallons based on the number of people in the house. 30 40 gallons for 2 to 3 people. What size of water heater do you need. Tankless water heater sizing calculator.

Well to get an accurate answer you d have to calculate out how much hot water you typically use during your busiest hot water using hour. American standard the name recognized throughout the world of quality built products is also the trusted name that large residential commercial property owners managers plumbing contractors depend on for reliable energy efficient gas and electric water heaters.