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.

Residential tankless water heater sizing.

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

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. Choose the right tankless electric water heater for you. Sizing calculator find the right model. Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate.

We already covered gpm. 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. Now you need to understand what temperature rise means. For sizing combination water and space heating systems including some heat pump systems and tankless coil and indirect water heaters consult a qualified contractor.

Use one of the tools below to find your perfect size. 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. Noritz offers a variety of tankless models for different size homes businesses and hot water demands.

Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. This guide will teach you how to size a tankless water heater and includes a calculator at the end. This tool is intended only for use as a guide to the products we offer that meet certain criteria you may be looking for. There are two factors that need to be considered when sizing a tankless water heater.