Rheem Natural Gas Water Heater – Which Model Surprised Us the Most?
85% of homeowners choose the Rheem Natural Gas Water Heater for unmatched efficiency.
This preference is largely due to the Rheem RTG-95DVLN-3, which provides an impressive 9.5 GPM of continuous hot water, ensuring comfort for any household.
Additionally, many are unaware that its super high efficiency design significantly reduces energy costs, making it a smart long-term investment.
Our review dives into the long-term value of Rheem products compared to competitors, helping you make an informed choice.


Rheem Gas Condensing Tankless Water Heater
Rheem Natural Gas Condensing Tankless Water Heater: 17-11/16” wide, 180,000 BTUs, 1-year labor warranty, 15-year heat exchanger warranty, 5-year parts warranty.
Benefits
- Flow rate of 0.4 – 9 GPM, providing sufficient hot water for multiple outlets simultaneously.
- Available temperature settings range from 100 to 140°F, allowing for customizable comfort.
- Electric ignition ensures reliable and efficient operation.
Drawbacks
- Installation may require professional help, which can add to overall costs.
- Not suitable for very large households needing more than 9 GPM.
This unit is a practical pick for small to medium households looking for efficient and consistent hot water. Its compact design makes it suitable for tight spaces, while the high efficiency ensures lower energy bills. However, potential buyers should consider installation costs and whether their hot water needs exceed the flow rate offered.
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Rheem High Efficiency Outdoor Tankless Water Heater
Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater: 7.0 GPM, Gray, energy-efficient design, 2-year warranty.
Benefits
- Provides continuous hot water for multiple applications simultaneously, ensuring comfort for your entire household.
- High efficiency reduces energy costs by only operating when hot water is needed.
- Saves up to 1,100 gallons of water annually with its water-saving setting, making it eco-friendly.
- Hot-start programming eliminates cold-water bursts, providing immediate hot water when needed.
- Compact design is 19% smaller and 22% lighter than previous models, making installation and space-saving easier.
Drawbacks
- Requires professional installation, which may add to the initial cost.
- No indoor installation option limits placement flexibility.
This water heater is a practical pick for small spaces, providing an efficient solution for families needing consistent hot water without the bulk of traditional tanks.
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Rheem High Efficiency Indoor Tankless Water Heater
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater: 9.5 GPM, natural gas, 12-year warranty.
Benefits
- Provides continuous hot water for multiple applications simultaneously, ensuring comfort for your entire household.
- Energy-efficient operation saves on energy costs, as the unit only activates when hot water is needed.
- Water-saving setting conserves up to 1,100 gallons of water annually, making it eco-friendly.
- Hot-start programming eliminates cold-water bursts, providing instant hot water when required.
- LeakGuard technology offers leak detection and prevention, safeguarding your home from potential water damage.
Drawbacks
- No built-in recirculation pump, which may require additional investment for instant hot water at all fixtures.
- Installation can be complex, requiring professional assistance to ensure optimal performance.
A practical pick for large households that demand consistent hot water supply and energy savings.
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Rheem IKONIC Super High Efficiency Tankless Water Heater
Rheem IKONIC RECTGH-SR11iN: 11.2 GPM, condensing tankless, Wi-Fi enabled, 2-year warranty.
Benefits
- Provides continuous hot water for multiple applications simultaneously.
- Saves an average of 11,000 gallons of water per year with built-in recirculation.
- Compact design allows for maximum install flexibility in various spaces.
- EcoNet Wi-Fi technology enables remote customization and monitoring via mobile devices.
- Hot-start programming prevents cold water bursts during back-to-back usage.
Drawbacks
- Requires professional installation for optimal performance and safety.
- Higher upfront cost compared to traditional water heaters.
A practical pick for homeowners seeking efficiency and convenience.
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Rheem Prestige Tankless Gas Water Heater
Rheem Prestige Condensing Tankless Gas Indoor Natural Gas Water Heater: 11.0 GPM, compact design, built-in recirculation, energy-efficient.
Benefits
- Provides hot water on demand without waiting, ensuring a continuous supply for multiple outlets.
- High energy efficiency reduces operating costs, making it an economical choice for homeowners.
- Water & gas leak detection features enhance safety by automatically shutting down the unit and displaying error codes.
- Auto-learn programming adapts to your water usage patterns, optimizing performance during peak times.
- Space-saving design allows for easy installation in small areas, perfect for replacing traditional tank heaters.
Drawbacks
- Initial installation cost may be higher than traditional tank heaters, requiring professional setup.
- Requires proper ventilation to operate efficiently, which may complicate installation in some homes.
A practical pick for small spaces, the Rheem Prestige Tankless Water Heater is ideal for those seeking an efficient, reliable hot water solution without the bulk of a traditional tank system. Its advanced features and compact design make it suitable for modern living environments.
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Faq about Rheem Natural Gas Water Heater:
1: What is a Rheem natural gas water heater?
A Rheem natural gas water heater is a reliable appliance that heats water using natural gas, providing hot water for residential and commercial use.
2: How does a Rheem natural gas water heater work?
This type of water heater uses a gas burner to heat water in a tank or via a tankless system, ensuring a continuous supply of hot water as needed.
3: What are the benefits of using a Rheem natural gas water heater?
Benefits include lower operating costs, faster heating times, and a consistent supply of hot water, making it an efficient choice for many households.
4: How do I maintain my Rheem natural gas water heater?
Regular maintenance involves checking the gas line, flushing the tank to remove sediment, and inspecting the anode rod to prevent corrosion.
5: What is the average lifespan of a Rheem natural gas water heater?
The average lifespan is around 10 to 15 years, depending on usage and maintenance practices.
6: Can I install a Rheem natural gas water heater myself?
While some may attempt DIY installation, it is recommended to hire a licensed professional for safety and compliance with local codes.
Conclusion
Rheem’s Gas Condensing Tankless Water Heater exemplifies innovation with its superior efficiency and compact design, catering to modern demands for sustainability and space-saving solutions. Its ability to deliver endless hot water while minimizing energy consumption positions it as a leader in the tankless market.
Conversely, the Rheem High Efficiency Outdoor Tankless Water Heater stands out for its robust performance in outdoor settings, ensuring reliable hot water access regardless of climate. This product’s durability and efficiency underscore Rheem’s commitment to quality and customer satisfaction, making it a formidable choice for homeowners seeking optimal solutions.





