Rheem RTGH-95DVLN

Most Reliable Tankless Water Heater

Why people love it
  • A highly reliable water heater with consistent hot water output
  • High flow rate: 9.5 GPM
  • Energy efficient and user-friendly

Easy to operate, electronic controls, 94% thermal efficiency, high water output, up to 199,000 BTUs, self-diagnostic system, remote control included, and easy to install anywhere.

Pricey and complicated venting systems required.

Details

Hot Water Output: The hot water heater delivers a stunning 9.5 GPM, almost on par with the highest-output Takagi model. It's also surprisingly energy efficient, with a 94% thermal efficiency, meaning there is very little heat loss while the appliance is heating up your water. Thanks to the high flow, you have enough hot water for 4 or 5 showers, sinks, and faucets.

Reliability: Unlike some of the other models on our list, this heater doesn't suffer from consistency problems. Thanks to its high BTUs (199,000), it heats up water very quickly, providing a steady supply of hot water no matter how long you shower.

The operation of the heater itself is also beautifully simple, and the installation won't require a professional. You can DIY it all, thanks to Rheem's Low Nox system. Plus, with the remote control, it's easy to adjust the temperature and settings without having to step foot in your boiler room.

Note: This heater requires a venting system, one that is surprisingly complex. You may want to consult a plumber to ensure it's done correctly.

Features: The intelligent electronic controls are designed to make it easy for you to "set it and forget it". All you have to do is set the temperature to your desired heat output, and the digital controls will keep it at that setting until you change it in person or via the remote. The controls also enhance safety, reducing the risk of overheating, leaking, or frost build-up in winter.

Price: At $1,200, this is one of the priciest tankless water heaters on our list. However, given its reliability and high water output, it's a decent option to consider.

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