Tankless Electric Water Heater Sizing Calculator

To work properly a tankless water heater needs to be just the right size to meet your home s hot water demand.

Tankless electric water heater sizing calculator.

We re here to help you. If you want to upgrade your water heater size from 40 or 50 gallons storage water heater or replace it you won t necessarily need a big tankless water heater. Gas tankless water heaters are able to produce a larger temperature rise per gpm than electric models. Tankless water heaters are intended to heat potable drinking water only and the inlet water to a tankless unit should not be pre heated.

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. Looking to purchase a new tankless water heater but having trouble figuring out what size or model you need. Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. The right size is a tankless water heater that can heat enough gallons of water to a specific temperature per minute to keep up with the demand.

Now you need to understand what temperature rise means. Use our handy calculator to determine your needed flow rate and temperature rise then find models that match your needs. Tankless water heater sizing calculator use our sizing calculator to determine your. Most demand water heaters are rated for a variety of inlet temperatures.

There are two factors that need to be considered when sizing a tankless water heater. Tankless water heater sizing calculator. We already covered gpm. After that view our sizing guide pdfs which offer further guidance on choosing an appropriate tankless model for your application.

This guide will teach you how to size a tankless water heater and includes a calculator at the end. Flow rate and temperature rise where are you located. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. 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.