Rheem Tankless Water Heater – Reviews

Rheem is undeniably a world renowned brand manufacturing high quality tankless water heaters that ensure the comfort and convenience of unlimited hot water on demand. What makes Rheem popular among families is the wide range of whole-home tankless water heaters. 

In addition to this, the whole-house tankless series includes natural gas tankless heater, electric and propane models of water heaters. They are made to serve the large families, vacation homes, and luxury bathrooms. 

Moving ahead, their point-of-use electric tankless water heaters are designed for single shower, fixtures or sink. Rheem offers a full range of options to provide comfort to its users. Therefore, no matter if you are in search of something to supply hot water to your whole-home, an isolated faucet or for multiple fixtures, RVs, garages or even outbuildings, Rheem has the best solution for you. 

rheem tankless water heater

Series Of Rheem Tankless Water Heater

Rheem focuses on increasing the efficiency of tankless heaters and helps you to save sufficient bucks as well as minimizes the water waste largely. Moreover, their tankless hot water heaters are ultra low NOx and upto 96% energy efficient to reduce energy cost. 

The good part is that Rheem models are available in both indoor and outdoor versions. Further, there are two categories of Rheem tankless water heaters. They are:

  • Professional Prestige Series: The models in professional series are only available on professional plumbing wholesalers like Rheem, Rudd and Consumers Supply Co etc. The purchasing of professional models include installation also. Additionally, this series features awesome quality, durable parts and reliability. 

            These models’ names generally start with “RTGH” and “RTEX”. 

  • Performance Platinum Series: The performance models are easily available online on any home improvements store. They have almost the same quality and features as in the Professional line. Their names start with “ECOH” and “RETEX”.

Both series are identical in terms of quality and performance. The only difference is that the package for professional series includes installation through dealers. Whereas the performance series allows you to install yourself or through any local plumber. 

Image Product Details   Price
Tempra 24 Plus Tempra 24 Plus 4.68 GPM
Point of Use or Whole House
99% Energy Efficiency
Check Price
Stiebel Eltron TEMPRA 12 Electric Tankless Water Heater Stiebel 12 Trend 3.0 GPM
Point of Use
99% Energy Efficiency
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Tempra 29 Plus Stiebel Eltron 29 Plus 5.6 GPM
Whole House
99% Energy Efficiency
Check Price
Tempra 36 Plus – Electric Stiebel Eltron 36 Plus 7.5 GPM
Whole House
99% Energy Efficiency
Check Price
Tempra 15 Trend – Electric, On Demand Hot Water Stiebel Eltron 15 Trend 3.3 GPM
Point of Use
99% Energy Efficiency
Check Price

Special Features Of Rheem Tankless Water Heater

Rheem understands the demand of hot water and makes sure you get the best solution to enjoy uninterrupted hot water. Rheem is manufacturing versatile models equipped with innovative and latest technologies including built-in recirculation, condensing models, and mid-efficiency units. 

The recirculation technology eliminates the long waits for hot water by recirculating the heated water periodically. This way you save water and time simultaneously. 

By the same token, there are certain features that make Rheem superior as compared to other tankless brands. They help you to maximize your savings upto $100 yearly. 

Lets explore some excellent features the Rheem model offers.

Maximize Hot Water

Rheem is capable of delivering sufficient hot water that you can easily load the laundry, start dishwashing and enjoy relaxing hot showers simultaneously. 

Enjoy Instant Hot Water

The Rinnai models with built-in recirculation pumps offer instant hot water to any faucet when you turn on. Thus you do not need to wait for heating water as well as wasting water to get hot water. 

Minimize Cold Water Bursts

Water cold bursts are truly irritating when you want to enjoy hot showers. The water goes through the heater exchanger inside the internal loop. So it is ready for back-to-back hot water demand. 

Save Energy 

The more use of energy means the more expenditure. Thanks to Rheem tankless water heaters that deliver hot water only when it is needed. As a result you save energy and money around the clock. 

Corrosion Resistant Unit

The heat exchangers of Rheem models are built with stainless steel. The stainless steel is corrosion resistant and this increases the durability of the model. Therefore, they last longer as compared to traditional tank type heaters. 

Low Emission

Rheem units smartly meet the requirements of Southern California SCAQMD. They have low NOx making them environment friendly tankless heaters. 

Wi-Fi Ready

Luckily, the Rheem tankless heaters feature EcoNet wireless technology that gives you the permission to control the heater with your smart devices. To enjoy the smart technology, you have to install this properly. 

Gas Line Compatibility

What is interesting about Rheem gas models is that they do not require any upgrade from a standard ½ “ gas line to a ¾ “ pipe. This lowers down the installation cost which is a plus point. 

Rheem Electric Tankless Water Heater

Rheem electric tankless water heaters are exclusively designed to provide instant hot water on demand. No doubt, they make a perfect alternative to traditional tanks heaters which consume a lot of energy. All Rheem tankless water heater electric models are specifically energy efficient. 

Exclusively designed to fit almost any location, the compact and slim shaped electric tankless heaters resolves the space issues. They give flexibility to homeowners with tight spaces to install even in small spaces easily. Additionally, Rheem electric makes an ideal use for point-of-use application to deliver instantaneous warm water. 

Talking about conventional tank water heaters, they consume a lot of energy to heat and reheat water and raise the temperature upto 30 degree over 24/7. While the Rheem electric heaters ensure a great deal of energy saving by heating water only when you need it. 

Special Features

  • Compact Design easily fits anywhere and is suitable for under counter installation. 
  • They conserve water intelligently. They supply hot water on demand so there is no more cold water to cycle through.
  • Low flow activation is an excellent feature to make it an industry leading model. It activates on low flow i.e. 0.3GPM.
  • Durable and reliable because of the copper immersion heating elements.
  • Provided water connections and slim shape make installation easy. 
  • Parts are easily replaceable. 

Rheem Gas Tankless Water Heater

With large and busy families, Rheem gas water heaters tankless are the perfect solution to meet the hot water demand perfectly. As they are powered by gas, so they are economical and cost effective. But you need to have underground natural gas access if you go for gas tankless heaters.

They provide the ultimate solution for hot water. They make sure there is an uninterrupted supply of hot water in order to give you comfort and convenience. Talking about the size, they are very compact and have a slim shape. Therefore, they easily mount on the wall, and placed under the sink or in the cabinet. 

Moreover, gas tankless units require proper venting by using appropriate venting kit.

Tankless Buying Guide

To enjoy the comfort and convenience of endless hot water, Rheem manufacturers high-quality water heaters with easy temperature settings. . Before going for tankless heaters, there are a few certain considerations, one must focus on them. The right model of water heater is not less than a blessing. 

Consider the following steps when you go to buy a tankless hot water heater.

Options Understanding   

Generally, there are two types of tankless water heater:

  • Gas Tankless Water Heater : includes both natural gas and liquid propane
  • Electric Tankless Water Heater: includes both whole-house tankless water heater and point-of-use configurations

Starting with the gas tankless water heaters,  they use natural gas or liquid propane as fuel and deliver required hot water when you need it. The good thing about them is that they are less expensive as compared to electric tankless heaters. 

However, they require a proper venting system to be operational. Moreover, they are also available in outdoor models. 

On the other hand, tankless water heater electric does not need any venting. But they require a separate electrical circuit system. What is amazing about electric water heaters, they are pretty easy to install. 

For any single location, like a washroom or kitchen sink, workshop or garage, a point-of-use tankless water heater is the perfect choice. To meet the excessive demand for hot water, choose a whole-house tankless water heater that is exactly suitable for your home service, either natural gas, propane, or electric. 

Daniel Adley is a seasoned and skilled plumber with over 20 years of experience. Specializing in repairing and optimizing water appliances for large buildings, offices, and homes, he has a keen eye for efficiently identifying plumbing and maintenance issues. With a passion for his craft, Daniel brings extensive knowledge and expertise to every project, ensuring reliable and effective solutions for his clients.

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