Residential Tankless Water Heater Sizing

Noritz offers a variety of tankless models for different size homes businesses and hot water demands.

Residential tankless water heater sizing.

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. Use one of the tools below to find your perfect size. To work properly a tankless water heater needs to be just the right size to meet your home s hot water demand. If you haven t yet considered what type of water heater might be best for your home learn more about selecting a new water heater.

To select the right state water heater for your home try our xpert product selector for personalized estimates of the performance and estimated energy cost. Choose the right tankless electric water heater for you. 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. Now you need to understand what temperature rise means.

Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. Tankless electric water heater sizing tool. Sizing calculator find the right model. For sizing combination water and space heating systems including some heat pump systems and tankless coil and indirect water heaters consult a qualified contractor.

There are two factors that need to be considered when sizing a tankless water heater. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. 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 bathroom in your home. Furnaces pool heaters and hvac systems for residential and commercial applications and is a full member of ahri the air conditioning heating refrigeration institute.

The tankless water heaters shown here may or may not be suitable for your application depending on other factors such as wiring electrical needs home plumbing configuration water quality and more. Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate. Tankless water heater sizing calculator. Tankless electric water heater sizing tool.