Tankless Water Heater Sizing Calculator

Looking to purchase a new tankless water heater but having trouble figuring out what size or model you need.

Tankless water heater sizing calculator.

Sizing calculator find the right model. Use one of the tools below to find your perfect size. Just select the number of fixtures and appliances that you are going to use simultaneously and we ll. This guide will teach you how to size a tankless water heater and includes a calculator at the end.

Sizing tankless or demand type water heaters tankless or demand type water heaters are rated by the maximum temperature rise possible at a given flow rate. Now you need to understand what temperature rise means. Most demand water heaters are rated for a variety of inlet temperatures. Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings.

We thought it would be easier for you to calculate the flow rate and the temperature rise if you could have a simple calculator. Choose the right tankless electric water heater for you. There are two factors that need to be considered when sizing a tankless water heater. Just follow the three simple steps below to choose the right model and size you need.

To work properly a tankless water heater needs to be just the right size to meet your home s hot water demand. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. We already covered gpm. Therefore to size a demand water heater you need to determine the flow rate and the temperature rise you ll need for its application whole house or a remote application such as just a.

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. Rinnai strongly suggests that you only purchase our products from rinnai independent dealers and that you have the products installed only by licensed professionals who have attended a rinnai installation training class licensed professionals who have attended a rinnai installation training class. Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. Noritz offers a variety of tankless models for different size homes businesses and hot water demands.

Gas tankless water heaters are able to produce a larger temperature rise per gpm than electric models. Use our handy calculator to determine your needed flow rate and temperature rise then find models that match your needs. Tankless water heaters are intended to heat potable drinking water only and the inlet water to a tankless unit should not be pre heated.