Electric Water Heater Sizes

Before we get to how to use the calculator to size a tankless water heater let s talk about the factors that go into understanding what size inline water heater you need.
Electric water heater sizes. 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. 1 or 2. Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. Minimum gallon capacity recommendations.
If you intend to use a tank water heater use these recommendations as a guide to finding the size you need. Discover how electric water heaters work to determine if this solution is right for you. We already covered gpm. Now you need to understand what temperature rise means.
Tankless water heater sizing calculator. For a tank style heater household size is a simple indicator of hot water needs. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. To determine the water heater flow rate needed you ll want to add up the flow rates of all the appliances you plan to use at the same time showers washing.
Smith proline family of electric water heaters offers a wide range of innovative solutions for your unique lifestyle needs. Family of 1 2. Most demand water heaters are rated for a variety of inlet temperatures. Simply locate the appropriate water heater sizes on ecomfort using your information.
Tankless water heaters are intended to heat potable drinking water only and the inlet water to a tankless unit should not be pre heated. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Since tankless water heaters don t store water you don t have to worry about capacity size. You can estimate the necessary tank capacity in gallons based on the number of people in the house.
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. Choose the right tankless electric water heater for you. Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings. 30 gallons family of 2 3.
Just follow the three simple steps below to choose the right model and size you need. 50 gallons family of 5 or more. 40 gallons family of 3 4. Sizing storage and heat pump with tank water heaters.
Gas tankless water heaters are able to produce a larger temperature rise per gpm than electric models.