Residential Tankless Water Heater Sizing

Choose the right tankless electric water heater for you.

Residential tankless water heater sizing.

This guide will teach you how to size a tankless water heater and includes a calculator at the end. Use one of the tools below to find your perfect size. Tankless electric water heater sizing tool. Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate.

Noritz offers a variety of tankless models for different size homes businesses and hot water demands. There are two factors that need to be considered when sizing a tankless water heater. For sizing combination water and space heating systems including some heat pump systems and tankless coil and indirect water heaters consult a qualified contractor. This tool is intended only for use as a guide to the products we offer that meet certain criteria you may be looking for.

Furnaces pool heaters and hvac systems for residential and commercial applications and is a full member of ahri the air conditioning heating refrigeration institute. 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. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. 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.

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. 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. Tankless electric water heater sizing tool. 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.

We already covered gpm. Tankless 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. Sizing calculator find the right model.