Rheem Water Heaters: A Comprehensive Guide to Achieving Comfort and Efficiency

In our comprehensive guide, we’ll take you through an overview of Rheem water heaters. Whether you’re looking for a water heater for your home or business, Rheem is a trusted name known for its high-quality products and innovative solutions.

In this article, we’ll discuss the key features and important factors to consider when choosing a Rheem water heater. We’ll cover topics such as energy efficiency, self-cleaning capabilities, advanced heating technology, and smart controls. Understanding these features will help you make an informed decision and find the perfect Rheem water heater that suits your specific needs.

Rheem Water Heaters: Things to Look For

Water Heater Types

Rheem provides an extensive selection of water heater options, guaranteeing an ideal match for every requirement and personal preference.

Homeowners are presented with a wide range of choices, ranging from point-of-use to whole-house water heating, as well as tank to tankless and electric to solar models. This diversity allows individuals to find the perfect water heater that suits their specific needs and aligns with their preferences.

Firstly, Rheem offers traditional tank water heaters, which store hot water in a tank of 20 to 80 gallons for immediate use. These models are reliable and come in various sizes to accommodate different household or commercial demands. The tank type is the most popular type, and the best ones are ultra-efficient and high-recovery models.

On the other hand, Rheem tankless water heaters provide hot water on demand, heating the water as it flows through the unit. Tankless models are known for their energy efficiency and space-saving design, making them ideal for those who value convenience and eco-friendliness.

When it comes to fuel sources, Rheem offers both electric and gas water heaters. Electric water heaters are popular for their ease of installation and versatility, while gas models are known for their fast heat recovery and cost-effectiveness.

Additionally, Rheem embraces renewable energy with its solar water heaters, harnessing the power of the sun to heat water and reduce energy consumption.

For those seeking a balance between energy efficiency and versatility, Rheem hybrid water heaters combine the benefits of heat pump technology with traditional heating methods.

An Overview of Rheem Gas Water Heaters

Tank-Type Water Heaters

Rheem offers a diverse range of gas water heaters that cater to different needs. These water heaters are categorized into three main lines: Professional, Performance (available in the US only), and Specialty.

The Professional Prestige line stands out as the most advanced group, offering an exceptional selection of high-efficiency tankless water heaters and Energy Star tank-type units. These units are designed with professional-grade elements and boast exclusive features, making them the top choice for discerning customers.

Among the impressive models available, the Rheem Maximus series truly shines. These water heaters are known for their super high efficiency and superior features. The Maximus series incorporates built-in Wi-Fi technology, allowing for convenient remote control and monitoring. Additionally, these units offer advanced diagnostics, enabling quick troubleshooting and maintenance. With the inclusion of leak detection functionality and fast recovery rates, the Rheem Maximus series sets a new standard in performance and convenience.

Best Sellers

• Rheem Power Vent 50-gal
• Rheem Atmospheric 40-gal
• Rheem XR90

Tankless Water Heaters

Rheem tankless water heaters provide instant and efficient hot water without the need for storage or excessive space. These units utilize advanced electronics, precise temperature control, and smart home integration technology.

Rheem’s tankless models are specifically designed for homeowners who prefer small, compact units packed with cutting-edge technology.

When you choose a Rheem tankless water heater, you’ll enjoy a space-saving model that delivers ultra-efficient water heating with a continuous supply of hot water. This not only reduces operating costs but also minimizes gas emissions. Additionally, Rheem tankless heaters feature advanced diagnostics for easy troubleshooting.

Rheem tankless water heaters are available with both condensing and non-condensing technology.

Rheem condensing models are ultra-efficient and state-of-the-art water heaters, perfect for those seeking advanced features.

Non-condensing models are mid-efficiency and economy models that still provide on-demand heating, continuous supply, a compact size, and an environmentally friendly design, albeit with slightly reduced energy efficiency and a lower price point.

Rheem gas tankless water heaters with condensing technology are ultra-efficient and boast ultra-low NOx emissions. Equipped with two high-quality stainless steel heat exchangers and eco-friendly gas burners, these models provide ample hot water regardless of climate or temperature fluctuations.

With an energy factor of up to 0.96, high power, and water flow rates of up to 11 gallons per minute (GPM), condensing models are perfect for busy homes, large homes with luxury baths, and families in need of increased hot water supply.

These tankless heaters belong to the Prestige series and can be further divided into two groups: models with a recirculation pump, which offer instant hot water delivery and optimal performance, and models without the recirculation system.

If you’re looking for a recommendation, we suggest purchasing a Rheem tankless water heater with condensing technology, such as the Energy Star approved Rheem RTGH-95 DV. With an impressive efficiency rating of 94%, maximum performance, superior comfort, and savings of over 40%, it is an excellent choice.

An Overview of Rheem Electric Water Heaters

Tank Type

The exceptional range of Rheem electric water heaters is tailored to meet the needs of both small households and larger homes. With a focus on consistent hot water supply and energy efficiency, Rheem offers a diverse selection of electric water heaters that are sure to exceed your expectations.

Rheem’s electric water heaters cater to various requirements, with options ranging from compact point-of-use models, featuring storage tanks as small as 2.5 gallons, to powerful whole-house units capable of supplying ample hot water to every corner of your home. No matter the size of your household, Rheem has the perfect solution to meet your hot water demands.

The best models from Rheem incorporate smart features, including built-in leak detection and Wi-Fi control, allowing for home automation and enhanced control. These advanced functionalities provide peace of mind and easy management of your water heating system. Additionally, Rheem’s diagnostic systems ensure efficient performance and quick troubleshooting.

Among these exceptional models, the Rheem Marathon stands out. With its lightweight and high-efficiency design, superior quality components, corrosion-resistant and leak-free water tank, and lifetime warranty, it exemplifies excellence in electric water heating.

Whether you’re unwinding with a refreshing shower, tackling daily household chores, or indulging in a luxurious bath, Rheem electric water heaters are engineered to meet the demands of your daily routine.

Tankless Type

Just like the gas group, Rheem tankless electric water heaters are designed to meet both point-of-use and whole-house water heating needs, ensuring a consistent flow of hot water whenever you need it.

Belonging to the RTEX group, Rheem electric tankless water heaters offer a diverse range of small and compact models that are incredibly easy to install. These units can be conveniently placed under the kitchen or bathroom sink, or even mounted on the wall, providing flexibility in installation options. Their versatility extends beyond residential settings as well, as they can be utilized in marine industry applications, RVs, and even commercial settings.

Rheem electric tankless water heaters are available in various sizes, ranging from 3.5 kW to 36 kW, allowing you to choose the ideal capacity for your specific requirements. Despite their impressive performance, these units are lightweight, with the maximum weight reaching just 18 pounds.

Among the popular models in the Rheem electric tankless water heater lineup, the Rheem RTEX-27 stands out as a favorite choice. It is particularly suitable for small and mid-size homes, delivering ample hot water supply while offering a host of outstanding features at an affordable price point.

An Overview of Rheem Hybrid Water Heaters

Rheem hybrid water heaters, incorporating heat pump technology, are widely recognized as the most efficient electric water heating solution currently available. With a range of types and models offering capacities from 40 to 80 gallons, homeowners can find the perfect fit for their hot water needs.

One notable feature of Rheem hybrid water heaters is their Energy Star approval, guaranteeing high energy efficiency. These units boast up to an impressive 4 Uniform Energy Factor (UEF), resulting in substantial savings for homeowners. While the initial purchase price may be higher compared to standard models, the long-term savings potential is remarkable, with potential lifetime savings of up to $5000 and a payback time of less than two years, as stated by the manufacturer.

Installation and usage of Rheem hybrid water heaters are as straightforward as with standard electric models, yet their efficiency in delivering hot water is significantly improved, thanks to the maximized performance and tank recovery capabilities.

Rheem hybrids offer a range of premium features that contribute to enhanced comfort and performance. They come equipped with a high-quality anode for extended lifespan, Wi-Fi technology for remote control and monitoring, and advanced diagnostics for easy maintenance and troubleshooting. Moreover, these units provide a variety of operating modes and customizable temperature settings, allowing homeowners to tailor their hot water experience according to their preferences.

Considering all these benefits, Rheem hybrid water heaters are considered a long-term investment and a cost-effective solution for homeowners seeking enhanced comfort, performance, and energy efficiency in their water heating systems.

Features to Look For and Benefits

As we mentioned earlier, Rheem water heaters come in a wide variety of types, models, and sizes. To help you make an informed decision, here is an overview of the top features you should look for while shopping. Some features are available in electric while others are in gas. These features offer numerous benefits that contribute to enhanced comfort, savings, and reliable operation for years to come:

• High efficiency: Rheem water heaters prioritize energy efficiency, helping you save on utility bills while reducing your environmental impact. Look for models with high Universal Energy Factor (UEF) ratings to ensure optimal efficiency. The most efficient options are condensing and hybrid models.
• Enhanced comfort: Rheem water heaters are designed to provide a consistent and reliable supply of hot water. Features such as fast recovery rates, ample storage capacity and high water flow rates ensure that you’ll have enough hot water for your household’s needs, even during peak demand periods.
• Advanced technology: Rheem integrates cutting-edge technology into its best water heaters to enhance performance and convenience. Features like built-in Wi-Fi connectivity allow for remote monitoring and control, enabling you to adjust settings and receive alerts from anywhere.
• Durable construction: Rheem prioritizes durability and longevity in its water heaters. Look for models with high-quality materials and robust construction to ensure years of reliable operation.
• Safety features: Rheem gas water heaters incorporate safety features to protect you and your home. Features like advanced diagnostics, leak detection, and flame safeguard systems provide peace of mind and help prevent potential issues.
• Guardian system: The Guardian system is a comprehensive safety feature designed to minimize the risk associated with the presence of flammable vapors in the vicinity of the water heater. It incorporates advanced technology and safeguards to prevent potential hazards and ensure peace of mind.
• Professional-grade anode rod: Models equipped with professional-grade anode rods provide exceptional corrosion protection for long-lasting performance.
• Self-cleaning system: Rheem water heaters are equipped with a self-cleaning system that effectively reduces sediment build-up inside the tank. This feature helps maintain the efficiency of the unit over time by preventing the accumulation of sediment, which can negatively impact heating performance.
• Electronic gas control: Rheem gas water heaters incorporate electronic gas control technology, which provides improved monitoring and serviceability. This feature allows for precise control of gas flow, ensuring efficient combustion and accurate temperature regulation. Additionally, the electronic gas control system provides diagnostic capabilities, enabling easier troubleshooting and maintenance. With enhanced monitoring and control, you can ensure that your water heater operates optimally and address any potential issues promptly.
• EcoNet: With the EcoNet system, Rheem integrates advanced technology into its water heaters, enabling seamless connectivity and smart control options. Through the EcoNet mobile app or web portal, you can conveniently monitor and adjust your water heater settings from anywhere at any time. The EcoNet system offers a range of intuitive features that enhance your overall experience. You can easily customize temperature settings, set schedules for optimal energy efficiency, and receive important alerts and notifications regarding your water heater’s performance.
• Eco-friendly gas burner and low NOx gas emission: Choosing a Rheem gas water heater with an eco-friendly gas burner and low NOx gas emissions allows you to enjoy the comfort of hot water while making a positive impact on the environment.
• Silicone nitride ignitor: Compared to traditional ignitors, silicone nitride ignitors offer several advantages. They have a higher resistance to extreme temperatures, making them less susceptible to cracking or degradation over time. This ensures consistent ignition performance and reduces the need for frequent replacements.

About Rheem

With its establishment dating back to 1920, Rheem has been a pioneer in the industry, being one of the first to introduce hot water heaters. Notably, Rheem acquired the Ruud Manufacturing Company, renowned for developing the first automatic storage tank-type gas water heater.

Today, Rheem water heaters have gained widespread recognition as a trusted brand, solidifying the company’s position as a leading manufacturer of comprehensive heating solutions in North America.

As an entirely owned subsidiary of Paloma Industries, situated in Japan, Rheem benefits from being part of the world’s largest producer of gas appliances. This global partnership further strengthens Rheem’s commitment to excellence and innovation in delivering top-quality water heating solutions.