Rheem Tankless Water Heater Reviews

Why Consider Rheem Tankless Water Heaters? Today, Rheem Tankless Water Heaters are widely used by building professionals all over the US; in fact, their tankless water heaters were featured as one of the building industry’s top green products. Rheem claims that their tankless design ensures convenience minus the high costs that come with maintaining water temperature. Their heaters are also typically just a third of the size of traditional water heaters. Despite the size, the heaters are still jam-packed with features such as those for precise temperature control and status monitoring. What’s even better is that most of the manufacturer’s water heaters are so energy efficient that you could get up to $300 of tax credit.

Best Rheem Tankless Water Heater Comparison Chart

  • Rheem RTGH-95DVLP 9.5 GPM Indoor Direct Vent Tankless Propane Water Heater

  • Dimensions - 18.5 x 9.8 x 27.5 inches
  • BTU - 119000
  • Low Nox Version
  • Rheem RTG-84XLN Tankless Natural Gas Water Heater

  • Dimensions - 14 x 10 x 26 inches
  • BTU - 180,000
  • 8.4 gal/min. at 35-Degree Rise
  • Rheem RTG-64DVLP Tankless Propane Water Heater

  • Dimensions - 14 x 10 x 26 inches
  • BTU - 190,000
  • 6.4 gal/min. at 35-Degree Rise
  • The Rheem RTE 13 Electric Tankless Water Heater

  • Dimensions - 7.2 x 7.2 x 7.2 inches
  • Voltage - 240V
  • On-unit temperature control

Top Rated Rheem Tankless Water Heater Reviews

Rheem advertises their tankless water heater as compact, innovative, durable and high-performance water heating solutions. They are also known for the precise temperature features and the link-up system that makes it is easy to hook up two tankless units. Note that Rheem water heaters usually come in indoor-only and outdoor-only models. So these rheem tankless water heater reviews will make your decision a lot easier.

#1

The Rheem RTGH-95

This model is part of the Rheem’s premium Prestige series. With a max BTU output of 199, 000, this unit is perfect for homes with three bathrooms -even for those who have luxury bath tubs. It can produce up to 9.5 GPM, with temperature rise at 35 degrees F, and 8.4 with rise at 45 degrees F.

Efficiency is at 94% – one of the highest in the industry, which makes it qualified for the federal tax credit for high-efficiency water heaters. It also comes with a durable condensing heat exchanger made form stainless steel. It comes with easy-to use electronic controls, hot start programming that reduces water temperature fluctuation which is handy during frequent on/off operation. For indoor models, a two-pipe direct vent system specially designed for PVC pipe is available. There are also diagnostic tools for maintenance as well as an advanced online tool for sizing tankless water heating applications. Freeze protection is up to negative 30 degrees F.

What Users Say

Customers are overwhelmingly positive, despite the price tag. Installation is easy, even for DIY-ers. Users say that the price is worth it, because the water heater works great, does not operate too loudly and is very simple to use.

#2

Rheem RTG-84

This is one of the smallest Rheem tankless water heater but you would be surprised at what it can deliver. It is recommended for homes with 2-3 bathrooms. It has a BTU range of 11,000 to 180,000 and meets standards for Nitrogen Oxide emissions. It can produce 8.4 GPM, if temperature rise is at 35 degree F maximum, and 6.6 GPM if rise is at 45 degrees F. It is also energy star qualified, thanks to the 82% efficiency rating, which also makes it eligible for a federal tax credit.

The digital screen maintenance and troubleshooting a snap; you can set water temperature easily, monitor the device’s status and check for diagnostic codes. Freeze protection for outdoor models is up to negative 30 degrees F.

What Users Say

This is one of the highest-rated tankless water heaters in the market. While some customers were confused because of the mix-up about the freeze protection feature, it has been established that the capacity is really at -30 degrees F. Users love it that there is no hassle with venting for the outdoor models, and that the water heater has never failed to give them the hot water they need. Some even say it is close to perfect.

#3

The Rheem RTG-64

This can be considered as the entry-level model for Rheem’s gas-powered tankless water heaters. It may be the cheapest among the tankless systems, but its features do not disappoint. This unit is perfect for homes with only 1 to 2 bathrooms. It has an energy efficiency rating of 82%, which means it is also qualified for a federal tax credit. The only difference is in the actual GPM capacity. This model can produce 6.5 GPM if temperature rise is set at 35 degrees F maximum; 4.6 if rise is set at 45 degrees F. It also complies with standard for Nitrogen oxide emission. Navigate here to know more about the best tankless water heaters available on the market.

It comes with the Rheem standard features such as the hot start programming technology, the self-diagnostic system and the digital display, as well as the EZ-link system, the built-in electric blower and the overheat film wrap, the power cord for indoor models, freeze protection, the digital remote control and the application sizing software.
 What People Say

Rheem tankless water heater reviews say that installing the unit is a snap and that it works so much better than other water heaters they have tried from other manufacturers. Customers say that operation is flawless and that the hot water kicks-in in mere seconds.

#4

The Rheem RTE 13 Electric Tankless Water Heater

This is one of Rheem’s mid-range electric models; it is ideal for most point-of-use applications, such as single-shower, bathtub faucets and kitchen applications. It has an amazingly compact design that could fit just about anywhere – in boats, restaurants, offices, and apartments. If hot-water-on-demand is what you are aiming for, this would not let you down. It features on-unit temperature control, modulating power, LED status indicators and a sturdy brass-copper heat exchanger. Capacity is 4 GPM.

What Users Say

The biggest complaint is about its safety but it has been established that it would be best that you hire an electrician to install it. If you insist on doing so, do not forget to use a temperature relief valve. Those who were able to install it properly are amazed by its efficiency and performance, saying that they were actually able to take long hot showers with this heater.

Conclusion

The Rheem RTE 13 is certainly the cheapest, but it is not the most cost efficient. You may end up struggling with higher electricity bills. The RTGH-95 is the most cost-efficient, despite the hefty price tag, considering its 94% efficiency rating, but you cannot exactly get the most out of your money if you have a small household.

These water heater reviews indicate that for the average household, the best choice would be the entry-level RTG-64. It costs only half the price of the high-end RTGH-95 but comes with the same features, with the exception of the energy efficiency and the GPM specs. If you are on a budget and you need ample hot water supply for 2-3 bathrooms and other household applications, the RTG 64 is the way to go.

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