Rheem Water Heaters
Review and Buying Tips
(updated 2017)

How to select the best model from Rheem water heaters and heat pumps for all your home water heating needs. Either looking for the tank-type unit for the large or small volume heating, or on-demand tankless solution, the following buying tips and suggestions with the reviews of the popular series, best models, main features and specs will help you make the right decision for the maximized savings and comfort.

According to J.D. Power and Associates - Rheem water heaters ranks second highest, taking into account the subcontractor voice, where warranty and repair service are among the main factors in customer satisfaction.

Features to look for

  • Guardian System to prevent the ignition of flammable vapors
  • Flexible venting system (power, power-direct vent or atmospheric with the powered damper)
  • Environment-friendly gas burner as it meets the low gas emission standards
  • Stainless steel elements for durability
  • Hot surface ignitor for reliable work
  • Dual anode rod system
  • A blower with the reduced noise level
  • Remote control or digital temperature controller
  • Condensing technology for the superior efficiency
  • EcoNet capability
  • Advanced electronics with the self-diagnostic program
  • Professional grade components
  • Longer warranty

Review of Rheem water heaters

Rheem water heaters company carries a variety of types and models for almost any home size, from the point-of-use to whole-house water heating.

The tank-type is the most popular type, and Rheem offers a wide selection of gas, electric and solar powered models, including heat pumps, coming with the capacities from 20 to 80 gallons where the best ones are high efficient and high recovery, utilizing advanced features and long warranty.

Tankless water heaters are getting more on popularity due to its small size, on demand heating with endless supply of hot water, state-of-the-art and "green" technology, reduced gas emission and great energy savings - making them a good buy

Rheem gas water heaters

Best sellers

Rheem PROG50 power vent gas water heaterRheem PROG50

Rheem gas water heaters are coming from the Professional, Performance (available in US only) and Specialty line.

The Professional Prestige line is the most advanced group that includes high efficient tankless water heaters and Energy Star tank-type units utilizing professional grade elements and exclusive features, making them the best to choose from. A great example is a 50-gal tank-type model RHE50, a condensing unit that comes with the energy factor of 0.82 and first hour rating of 98 GPH, making it a good buy.

The Performance line covers only the water heaters with the storage water tank, and includes all the venting options, while the Specialty line consists of the EcoSense tankless and condensing tank-type units.

The detail review of the gas water heaters that are designed as the low NOx emission, high demand, high recovery or Energy Star can be found here.

Gas tankless series

Best sellers

Rheem tankless water heater RTGH-95DVLNRheem RTGH-95DVLN

Rheem tankless water heaters are designed with the condensing and non-condensing technology and are available as Professional Prestige and Specialty EcoSense series.

Rheem condensing models are ultra-efficient, state-of-the-art water heaters that are recommended for those who are looking for more. Non-condensing models are mid-efficient and economy models that also offer on-demand heating, continuous supply, small size, environment-friendly design, with the reduced energy efficiency and lower price.

Detail review of the tankless models is here, but if looking for the recommendation - buy Rheem tankless water heaters with the condensing technology, such as the Energy Star approved Rheem RTGH-95 DV that comes with the high efficiency of 94%, maximum performance, great comfort and savings of over 40%.

Rheem electric water heaters

Rheem Marathon electric water heaterRheem Marathon

Rheem electric water heaters are also coming from the Professional, Performance and Specialty line.

The smallest units, such as those with the storage tank of 2.5 gallons are known as the point-of-use models, while the whole-house units as its name indicates, can provide large amounts of hot water for the whole house.

Rheem is well-known for building quality water heaters, where the Marathon, from a Specialty line is among the best to buy due to the high quality elements, corrosion-resistant and leak-free water tank, and the lifetime warranty.

Electric tankless series

Best sellers

Rheem RTEX-18 electric tankless water heaterRheem RTEX-18

Rheem tankless electric, as the gas group, also provides hot water on demand in consistent and continuous supply, using the RTEX series of tankless water heaters.

The electric tankless water heaters RTEX have a small and compact size, providing on demand water heating and easy installation under the kitchen or bathroom sink, or on the wall. One of the popular models to buy is the RTEX-27 due to its ability to provide enough hot water to small and mid-size homes, while still coming with the great features and affordable price.

Hybrid models

Rheem heat pumpRheem heat pump

Rheem hybrid water heaters or heat pumps offer the most efficient electric water heating solution among electric and many gas type models.

Coming from the Prestige series with up to 3.70 energy efficiency, this Energy Star unit brings great savings to the homeowners. The purchase price is high, but according to the manufacturer lifetime savings can go up to $5000, with less than 2-year payback time.

From the premium grade anode to the advanced electronics and variety of operating modes offering great comfort and savings, Rheem hybrid is an electric water heater that can be considered as a long time investment.

About Rheem

Rheem Manufacturing Company was established back in 1920, and hot water heaters were one of the first products.

The company bought the Ruud Manufacturing Company, who built the first automatic, storage tank-type gas water heater.

Today, Rheem water heaters are well-known brands and the company is a popular North American manufacturer in providing the complete heating solutions.

Rheem is now a totally owned subsidiary of Paloma Industries, the world's largest producer of gas appliances, situated in Japan.

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