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As the trusted leader in water heaters, Rheem® has revolutionized its tankless gas portfolio to offer a complete range of tankless solutions. You’ll enjoy the comfort and convenience of continuous hot water while saving energy and money from the brand you trust.
The new Rheem® IKONIC™ S- and SR-Series Condensing Tankless Water Heaters make it easy to decide to go tankless. In addition to providing continuous hot water, energy savings and the industry’s most comprehensive warranty, they offer a recirculation model for the ultimate convenience—and water savings—of no-wait hot water. Plus, exclusive built-in features and rebate eligibility help keep upfront costs down.
Save up to 12,000 gallons of water from being wasted down the drain annually with the built-in recirculation pump2(SR-Series models only)—that’s over $1,000 in water costs over 15 years
Install in more locations with the industry-best 1/2″ side-to-side clearance for tight spaces3
Rheem® IKONIC™ provides maximum install flexibility by allowing room air intake, longer vent runs, flex venting and 1/2″ gas line compatibility4 for a better tank replacement option
The ENERGY STAR®-certified and best-in-class energy efficiency5 of Rheem® IKONIC™ helps you save up to 36% per year in energy costs6
Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats to prevent damage to the unit7
Enjoy complete control of your water heater—from adjusting water temperature and tracking energy usage to setting recirculation modes—all from a smart phone8(SR-Series models only)
Shower, do the dishes and wash the laundry—all while improving air quality by reducing greenhouse gas NOx emissions by up to 65% for a cleaner environment.9
Advanced design enables Rheem® IKONIC™ to work in locations up to 10,200 feet above sea level
Exclusive Hot Start Programming™ keeps the water heater in a ready state (burner does not completely shut off) for five minutes between back-to-back usage to minimize cold-water bursts1
Enjoy the same continuous flow of hot water as well as high performance in a new modern design with Rheem® RTGH Series Super High Efficiency Condensing Tankless Water Heaters. Energy savings, continuous hot water and the industry’s most comprehensive 15-year warranty10 mean there’s never been a better time to go tankless.
Save annually on energy costs over a standard 50-gallon gas residential tank water heater11
Increase valuable usable space in your home with a single unit that’s up to 20% smaller and lighter12, and can be installed in more places with an available outdoor conversion kit
Our exclusive water saving setting conserves water by reducing the amount of water flow at the tap until the set temperature is reached—no more wasted water while waiting for it to heat up13
Leakguard™ Leak Detection and Prevention system with auto shut-off detects leaks and shuts off the flow of water (Indoor Wi-Fi models only)
The RTGH Series uses up to 34% less energy14 and improves air quality by reducing greenhouse gas NOx emissions by up to 65% for a cleaner environment15
Wi-Fi models qualify as Sustainability Standouts, which means they meet a stringent set of our company’s internally defined sustainability standards
Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats for added safety in your home7
Enjoy complete control of your water heater—from adjusting water temperature to tracking energy usage—all from a smart phone8 (select models only)
Best-in-class turn down ratio keeps outlet water temperature close to the set point
Exclusive Hot Start Programming™ keeps the water heater in a ready state (burner does not completely shut off) for five minutes between back-to-back usage to minimize cold-water bursts1
Get the same continuous flow of hot water as well as high performance in a new modern design with Rheem® RTG Series High Efficiency Non-Condensing Tankless Water Heaters. These water heaters offer the comfort of endless long baths with the convenience of a small footprint and the peace-of-mind that comes with energy savings and the industry’s most comprehensive 15-year warranty10.
Save annually on energy costs over a standard 50-gallon gas residential tank water heater11
Increase valuable usable space in your home with an enhanced design that’s up to 10% smaller and up to 22% lighter16, and can be installed in more places
Industry-leading 43′ vent run capability that’s compatible with Metal Fab, Rainbow and UBBINK standard concentric venting simplifies tankless-to-tankless retrofits
Wi-Fi models qualify as Sustainability Standouts, which means they meet a stringent set of our company’s internally defined sustainability standards
Our exclusive water saving setting conserves water by reducing the amount of water flow at the tap until the set temperature is reached—no more wasted water while waiting for it to heat up13
Leakguard™ Leak Detection and Prevention system with auto shut-off detects leaks and shuts off the flow of water (indoor Wi-Fi models only)
The RTG Series uses up to 25% less energy17 and improves air quality by reducing greenhouse gas NOx emissions by up to 65% for a cleaner environment15
Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats for added safety in your home7
Enjoy complete control of your water heater—from adjusting water temperature to tracking energy usage—all from a smart phone8 (select models only)
Family in town, dog needs a bath, laundry day? With continuous hot water, you can do it all and still have all the hot water you need for a nice, relaxing soak in the tub.
With integrated Wi-Fi in some tankless models and upgrade modules available for others, homeowners can adjust temperatures, check usage, receive alerts, program a schedule, update product settings and more. It’s all possible with Rheem EcoNet® Enabled tankless water heaters and the EcoNet® App.8
Ready to enjoy continuous hot water with a Rheem Tankless Water Heater?