Rheem Tankless Water Heaters

Browse Rheem tankless water heaters by series, including compact electric models, non-condensing gas systems, high-efficiency condensing gas units, premium IKONIC products, and ThermaForce models for higher-demand applications.

Use the categories below to shop Rheem products by series and compare which product family best fits your installation, fuel type, and hot water demand.

Rheem Tankless Water Heater Questions and Answers

This section helps shoppers better understand the differences between Rheem tankless water heater categories, including electric versus gas, condensing versus non-condensing, and premium versus standard performance options.

What types of Rheem tankless water heaters are available?

Rheem tankless water heaters in this catalog include Professional Classic electric models, RTG non-condensing gas models, RTGH condensing gas models, IKONIC premium condensing models, and ThermaForce systems for higher-demand applications.

What is the difference between Rheem RTG and RTGH tankless water heaters?

Rheem RTG models are non-condensing gas tankless water heaters, while Rheem RTGH models are condensing gas tankless water heaters. RTGH units are generally selected for stronger efficiency performance, while RTG units fit more traditional non-condensing gas installations.

Are Rheem Professional Classic models electric or gas?

In this product feed, Rheem Professional Classic models are electric tankless water heaters. These are compact on-demand units commonly used for point-of-use or smaller residential applications where electric installation is preferred.

What is Rheem IKONIC?

Rheem IKONIC is a premium tankless category that includes advanced condensing models with higher-end comfort features, modern controls, and certain recirculation-oriented options.

Who should consider Rheem ThermaForce tankless water heaters?

Rheem ThermaForce tankless water heaters are better suited for larger hot water demands, heavier-duty performance needs, or buyers looking for stronger output than standard residential entry-level systems.