Best Rheem Tankless Water Heater Reviews

Rheem Tankless Water Heater Reviews

Over the years, an abundance of companies has been able to gain impressive staying power and immense respect from the public. The Rheem Manufacturing Company would most certainly fit into this box snuggly. The company has been around since 1925 and they’re managed to push the envelope more and more with each consecutive year.

The company specializes in HVAC, ventilation, boilers, and water heating equipment. Whether you’re looking for a good water heater for a commercial establishment or your dwelling, Rheem’s massive portfolio will undoubtedly have something that will suit your needs. Before getting into the Rheem water heater reviews, it is essential to learn about the company and some of the attributes that set the company apart from its competitors.

About Rheem

Rheem Logo

In 1925, two brothers, Donald and Richard Rheem started manufacturing galvanized steel drums in coordination with the Pacific Galvanizing Company out of Emeryville, California. By 1930, Rheem was well on its way to become the staple of society that it is today.

They organized and bought out their former partner, while also acquiring the Republic Steel package company. Since Republic Steel had worked with tanks and boilers, Rheem subsequently entered the water heating business shortly after the acquisition.
Also around this time, the company expanding to Australia and the cycle continued onward. Today, Rheem water heaters are widely considered to be some of the best on the market and the company employs over 7,000 individuals. They currently serve a large portion of the world, including the Middle East, South America, Australia, Asia, and North America. They’re now headquartered out of Atlanta, Georgia and their client base is bigger than ever!

About Rheem Hot Water Heaters

Rheem has managed to excel over the years and has never once looked back. Their ingenuity and willingness to push the boundaries has given them the ability to remain at the forefront of water heating technology.

When purchasing a Rheem tankless water heater, the consumer can rest assured knowing they’re acquiring an ideal product, which will serve them admirably for the duration. They can also guarantee they’re getting the finest craftsmanship and most advantage technology available. The company’s water heaters deliver the comfortable and convenience of an endless supply of hot water. Whether you’re living alone or have a large family, you can guarantee a Rheem hot water heater will be able to accommodate your precise needs.

The company offers an assortment of lines, including the Performance Line and Professional Line. The Professional Line offers innovative features, which are exclusive to Rheem. And both guarantee professional craftsmanship and incredible quality.

Rheem warranty


A lot of consumers will purchase a Rheem gas water heater, due to the company’s reputation. If you need another reason to follow through with the purchase, you should look no further than the company’s warranties. Canadian and American consumers will benefit immensely from the company’s generous warranties.

Just remember that the specific durations and terms can differ from model to model. However, most will come with a 5-year warranty on parts and a 1-year warranty on labor. They’ll also offer 12-years of coverage on the heat exchange mechanism.

Most Notable Rheem Models

The lineup from Rheem is truly impressive, incredibly diverse and thoroughly satisfying. Some of these models will be explored below for your consideration.

Rheem Tankless Electric RTE 3 Water Heater

A lot of homeowners will prefer an electric water heater, since they’re easier to install and simple to maintain. If you happen to concur with this statement, you’ll want to do yourself a favor and learn about the RTE 3 Water Heater. This specific model is capable of delivering an endless supply of hot water to a moderate to large household and offers hot water on demand. It can also be utilized for point-of-use applications. The unit is incredibly versatile and the benefits provided are enormous. The installation is simple and rapid, while the unit’s efficiency is stunning.

The product utilizes a modulating heat exchanger for improved efficiency. You’ll never have to worry about standby head loss easier and this will push your home’s energy consumption down even further. Plus, the unit requires no venting, so greenhouse gases are virtually eliminated.

Rheem Tankless Electric RTE 3

  • Hot water delivered whenever you need it
  • Control temperature settings externally
  • Comes with 2-foot power supply cord for added value
  • Excellent energy efficiency
  • No venting required
  • Installation can be completed without removing the cover
  • 1-year warranty on parts and 10-years on heat exchange

Some homeowners may prefer a gas model, but it is truly impossible to go wrong with the RTE 3. The unit is great in all key categories and will prove to be a worthy investment for many years to come.

Rheem RTE 7

If you’re happy with the RTE, but would like something a little more capable, you’ll definitely want to make the upgrade to the RTE 7. This unit is capable of providing your household with 2.5 gallons of water flow a minute.
It is ideal for bathrooms with multiple sinks or faucets. It comes with the uniform warranty of 1-year on parts and 10-years on the heat exchange mechanism. The unit includes the required supply cord, so you won’t be forced to many any additional purchases. And you won’t even need a T&P valve.

The unit’s compact size and lightweight makes the installation substantially easier and much smoother than you could ever imagine. In fact, you’ll be able to complete the installation procedure, without even removing the cover.

Rheem RTE 7

  • Quick and simple installation
  • Lightweight, slim and compact
  • Includes the necessary power cord
  • Has a standby mode
  • External temperature control makes for easy adjustments
  • Delivers hot water on demand
  • Doesn’t require a T&P valve
  • 2.5 GPM maximum water flow

Again, some homeowners may prefer a gas powered hot water heater, but Rheem electric water heaters are excellent nonetheless. And, the RTE 7 is undeniably one of the best. It is most than suitable for the majority of households and will provide you and your loved ones with a surprising amount of hot water precisely when you want it and need it!

Rheem RTG 95 Hot Water Heater

If you’d rather have a gas powered water heater, you’ll want to consider adding the RTG 95 to your arsenal. This unit is capable of delivering a great performance and it can be installed outside! The RTG-95 is specifically designed for homes that have 3 bathrooms. It is capable of providing your household with 9.5 gallons of water per minute, at a 35-degree temperature rise. At a 45-degree temperature rise, you’ll receive 7.4 gallons of water each minute. The unit is equipped with an innovative self-diagnostic system, which makes installation simple and service even easier.The unit’s digital display always shows the precise temperature and can also help you diagnose problems, by displaying maintenance codes.

Rheem RTG 95

  • Energy factor of .82
  • Intelligent controls improve efficiency and overall safety
  • A minimum GPM of just .26 and .4 GPM minimum activation
  • Can provide a maximum of 9.5 gallons per minute
  • Self-diagnostic system is incredibly helpful
  • 5-year warranty on parts, 1-year on labor, and 12-years on heat exchange

Truly, the RTG-95 is an outstanding hot water heater from Rheem. In fact, it has become one of the hottest products from the manufacturer. It is sleek, stylish and emits very little NOx. So you’ll benefit from its performance and cost saving features, without harming the environment.

Rheem Professional Prestige 84 Direct Vent Hot Water Heater

Homeowners will want a highly efficient water heater, whether they opt for an electric or gas model. This is where the Professional Prestige 84 enters the picture. This unit is highly efficient and is designed to provide the user with a constant flow of hot water.

When compared to the alternatives, this model’s energy factor of .92 is a massive improvement. The unit offers a minimum flow rate of just .26 and a maximum of 9.5 gallons per minute. The combination should suffice for almost any household, regardless of size or the number of family members you have.

Even more surprising is the unit’s compact size. It is approximately the size of a medicine cabinet. And, the Rheem Prestige RTGH 84 utilizes the exclusive self-diagnostic system, which can transform any homeowner into an expert, even if they know very little about electronics or water heating technology.

Rheem Professional Prestige 84

  • .92 EF rating is great
  • Self-diagnostic system makes installation and problem solving simple
  • Water flow capability of .26 GPM to 9.5 GPM
  • Works superbly in high altitudes up to 9,840 feet
  • Comes with a digital remote and 10 foot of thermostat wire
  • Freeze protection for added peace of mind
  • 5-year warranty on parts, 1-year on labor and 12-years on heat exchange
  • Provides an endless supply of hot water

When it comes down to it, the Rheem Prestige RTGH 84 is an excellent investment for nearly any American household. It is solidly constructed, compact, easy to install, lightweight, and will provide your family with an endless supply of hot water. If you want to eliminate the battles in your household, you’ll want to install the RTGH 84 in your home and keep everyone happy, by providing them with the hot water they demand!