Tankless Water Heating for the Home
With Rinnai Tankless Water Heaters, homeowners can enjoy an endless supply of hot water. Our tankless technology delivers hot water wherever and whenever it’s needed, eliminating the need to prioritize tasks or schedule use. It’s a smarter solution.• Control-R™ Wireless Module adds possibilities for remote monitoring and management• Uses up to 40 percent* less energy than traditional systems
How Tankless Works
When the need for hot water arises by turning on a shower, washing machine, dishwasher or faucet, cold water enters the Rinnai TanklessWater Heater from the inlet pipe at the bottom of the model.Water flows through the system and is heatedas needed to deliver all the hot water you need.
Tankless vs. Tank
So how can a box about the size of a suitcase deliver an endless supply of hot water while a bulky tank can run out of hot water when customers need it most?
Cold water enters inlet only when hot water is required
Wait Less. Waste Less.
Rinnai’s line of digital controllers allows homeowners to set precise water temperatures from multiple locations in the home.
Tankless Water Heaters: Your Most Important Appliance
Some people like to say, “Out of sight, out of mind.” We beg to differ. While your home’s hot water system isn’t as visible as your other appliances, its importance outweighs them all. Switching to a Rinnai tankless water heater improves your home’s performance and elevates your family’s lifestyle. It’s the smart choice to make.
The Heart of Your Home
Think of plumbing as your home’s vital arteries, supplying critical fluid—in this case, hot water—to critical areas at critical times. At the center of this system is your hot water heater. If it fails to perform as needed, everything it supports—showering, bathing, washing dishes and clothes—will fail too.
Efficiency & Peace of Mind
Unlike traditional tanks, Rinnai tankless water heaters only run when they’re being used, saving significant energy without sacrificing performance or convenience. And because they’re backed by the industry’s best warranty, you can set your worries aside and enjoy that long, hot shower you so deserve.

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