Best Rheem Water Heaters

Rheem Water Heaters

Are you looking to buy a quality water heater for your home or apartment? If you’ve been on the hunt, I’m sure you may have come across Rheem water heaters more than once — and for all the good reasons. Rheem is a leading water heater company based in the United States. Since decades, their water heaters have been one of the highest selling products not only in the United States but all over the world.
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Air Logic Bladeless RTEX-18

Best Rheem Water Heaters

Since Rheem is one of the leading companies that manufacture water heaters, there are tons of high-quality products you can choose for your home. Among all the products listed in this article, we rank RTG-84XLN-1 as the top Rheem water heater available in the market.

The RTG-84XLN-1 is a premium water heating unit that is capable of delivering 8.4 gallons of hot water every minute. With such a high flow rate, it can deliver hot water in multiple sinks and showers simultaneously. This model is perfect for outdoor uses as it has a freeze protection rate up to -30 degrees.

Rheem RTG-84XLN-1 Tankless Water Heater

Rheem RTG-84XLN-1 is the most premium water heating system by Rheem. This model is highly efficient and can deliver up to 8.4 gallons of hot water every minute. Also, this unit is relatively inexpensive and features exclusive water-saving technology.

Rheem RTG-84XLN-1 offers a high water flow rate with 8.4 gallons per minute (GPM). This is sufficient to deliver hot water in multiple sinks and shower simultaneously. With freeze protection rate up to -30 degrees, this model is an excellent water heater for outdoor use. 


  • Low NOx helps to reduce harmful emissions
  • Can serve multiple showers and sinks simultaneously
  • Can save up to 1,100 gallons of water every year
  • Comes with a 12-years warranty


  • Must be installed outdoors

Rheem RTGH-95DVLN Tankless Natural Gas Water Heater

Rheem RTGH-95DVL is a natural gas water heater designed to deliver an endless supply of hot water at your home. With a capacity of 9.5 GPM, this is one of the most efficient water heaters by Rheem. Additionally, this system is backed by a 12-year warranty on the heating elements.

Rheem RTGH-95DVL is a tankless water heater that is capable of delivering hot water in multiple kitchens and bathrooms simultaneously. It uses condensing technology, which makes it the most efficient whole-house water heating system at up to .93 UEF. 


  • High flow rate
  • 94% energy efficiency rating
  • Safety features and easy-to-use controls
  • Can be installed both indoor and outdoor
  • Constructed to deal with freezing temperatures


  • It is slightly expensive
  • This unit can be overabundant for smaller household

Rheem RTEX-24 Residential Tankless Water Heater

Rheem RTEX-24 is made of durable copper immersion heating elements along with brass top. It features self-modulating technology that automatically adjusts the water temperature as per your need. Also, it includes an Overheat Film Wrap (OFW) that protects the heat exchanger for longevity.

Rheem RTEX-24 is capable of delivering a continuous supply of hot water for both single point of use and even for multiple applications. With a sleek design and high efficiency, this unit provides top-notch performances, even for multi-user households.


  • Unlimited supply of hot water
  • Easy to install and operate
  • Inexpensive and affordable
  • Advanced self-modulation technology
  • Durable copper immersion heating element
  • Digital thermostatic control with LED display


  • Additional installation cost
  • Can consume a lot of energy during winter

Rheem RTEX-13 Residential Tankless Water Heater

High quality and energy-efficient, Rheem RTEX-13 is a residential water heating system that delivers hot water exactly when you need it. This model is equipped with an adjustable thermostat control that makes it effortless to control the water temperature.

Rheem RTEX-13 is equipped with adjustable thermostat control that adjusts water temperature as per your need. This model does not have a built-in tank, which means you no longer have to worry about water leakages and bursts. Additionally, this unit is 99.8% energy-efficient.



  • High-quality on-demand water heater
  • Durable copper immersion heating elements
  • Compact and Lightweight
  • Easy to install
  • 99.8% energy-efficient
  • Powered by self-modulating power control


  • Not ideal for cold climates
  • Requires a 60-AMP breaker box

Rheem RTEX-18 Residential Tankless Water Heater

Rheem RTEX-18 is a highly functional inline water heater that delivers endless hot water enough for a medium household. This model is also compact, lightweight, and portable. Therefore it is an excellent water heating system for mobile homes, RVs, travel trailers, and campers.

Rheem RTEX-18 is an efficient indoor inline water heater that delivers instant and continuous hot water for single point-of-use as well as multiple applications. This model is ideal for a medium household with two to three bathrooms. Compact and portable, RTEX-18 is also perfect for mobile homes, RVs, travel trailers, and campers. The low profile design of this water heating system makes it fit perfectly under kitchen sinks and counters.


  • Self-modulating unit
  • Small and compact
  • Adjusts the water temperature as per your desire
  • Has copper immersion heating elements with brass top
  • For a comfortable replacement, both the heating elements are threaded
  • 99.8% energy efficient
  • Includes digital display for easy reading


  • Few complaints regarding fluctuation in the temperature
  • Takes more than a second to heat the water
  • Installation manual is printed wrong way

Why Choose A Rheem Water Heater?

With so many different brands selling the same product in the market, it is obvious that you think about this! Well, worry not! We are here to tell you exactly why you should choose Rheem over any other brands available in the market.

Rheem has been the industry-leading company for almost a century. With high-quality and super-efficient products, they have been one of the most recognized brands when it comes to water heaters.

One of the most significant things that separate Rheem water heaters from any other brands is its Zero Waste Initiative. Not only does this company manufacture high-quality products, but they also practice environmentally-friendly approach and design energy-efficient models.

Although they have faced plenty of challenges and competition from newer companies, Rheem’s evolving technologies and innovative advancements have always set them apart from others.

Whether you live in a small apartment or a large family home, with Rheem, you should be able to find the most suitable water heater for your home.