Are you tired of running out of hot water during showers? The Rinnai tankless water heaters provide endless hot water solutions.
These innovative systems, like the Rinnai RX199iN and Rinnai RE199iN, offer efficient heating with on-demand performance. The RX199iN delivers up to 11.1 GPM, perfect for larger households, while the RE199iN ensures reliable hot water with a compact design. Both models simplify installation and maintenance, making them ideal for any home.
In our full review, we break down performance, durability, and more to help you choose the best option for your needs.


Rinnai RX199iN Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai RX199iN stands out by offering exceptional efficiency and versatility. This model can be installed both indoors and outdoors and is compatible with both natural gas and propane, making it a flexible choice for various home setups.
Where It Excels
- 30% lighter than the Rinnai RL94iN, making installation easier and more convenient.
Where It Lags
- Fewer color options than some competitors like the EcoSmart ECO 27, which offers a wider aesthetic variety.
Pick this if weight matters most, as the RX199iN’s compact design allows for easy handling and installation. It delivers a powerful output of up to 11.1 GPM, ensuring that you never run out of hot water, even when multiple fixtures are in use. The smart design includes an intuitive interface and an impressive energy efficiency factor of UEF .98, making it a cost-effective choice for long-term use.
However, if customization in appearance is a priority, you might find the RX199iN lacking compared to other brands. Overall, the Rinnai RX199iN is an excellent option for those prioritizing efficiency and lightweight design in their tankless water heater.
To buy this product, click here.
Rinnai RE199iN Tankless Water Heater 199,000 BTU
In a market flooded with tankless water heaters, the Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater stands out by offering a compact design that delivers impressive performance. With a capacity of up to 9.8 GPM, it ensures you never run out of hot water, making it an excellent choice for larger households.
Where It Excels
- 30% lighter than the Rinnai RL94iN, making installation easier and more manageable.
Where It Lags
- Fewer color options than some competitors like the Ecosmart ECO 27, which offers a wider range of aesthetic choices.
With its smart design, the Rinnai RE199iN only heats water when necessary, conserving energy and reducing utility bills. The improved internal layout not only speeds up installation but also enhances serviceability. The built-in LED screen provides service reminders and error codes, making maintenance straightforward.
However, if customization is a priority for you, the limited color options may be a drawback compared to brands like Ecosmart. Additionally, professional installation is recommended, which could add to the overall cost. Nonetheless, if weight and energy efficiency matter most, the Rinnai RE199iN is a top contender in the tankless water heater market.
To buy this product, click here.
Rinnai V53DeP Outdoor Propane Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai V53DeP Propane Tankless Water Heater stands out by offering an impressive 5.3 GPM flow rate, ensuring endless hot water for your household needs. This model is particularly advantageous for families with multiple hot water demands.
Where It Excels
- 30% lighter than the Rinnai RL94iN, making it easier to install and handle.
Where It Lags
- Fewer color options than some competitors like the EcoSmart line, which might appeal to those looking for aesthetic variety.
Choose the Rinnai V53DeP if weight and efficiency are your top priorities. Its lightweight design not only simplifies installation but also enhances portability, making it a practical choice for homeowners. The energy-efficient performance ensures you only use energy when necessary, contributing to lower utility bills while providing reliable hot water on demand. While it may lack the color variety found in other brands, the robust performance and warranty protection make it a solid investment for those seeking consistent and dependable hot water solutions.
To buy this product, click here.
Rinnai RXP199iN Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai RXP199iN Condensing Smart Sense model stands out by offering exceptional efficiency and versatility. This unit can be installed both indoors and outdoors, powered by either natural gas or propane, making it a flexible choice for various settings.
Where It Excels
- 30% lighter than the Rinnai RL94iN, making installation easier and reducing strain on mounting surfaces.
Where It Lags
- Fewer color options than competitors like the EcoSmart ECO 27, which offers a wider range of finishes to match home aesthetics.
With a compact design the size of a small suitcase, the RXP199iN delivers an impressive flow rate of up to 11.1 GPM, allowing for multiple fixtures to be used simultaneously without running out of hot water. Its Smart-Circ technology intelligently learns your water usage patterns, optimizing efficiency and convenience.
However, potential buyers should note the limited color options compared to brands like EcoSmart, which may not fit all decor preferences. For those prioritizing weight and ease of installation, the Rinnai RXP199iN is an excellent choice. Pick this if weight matters most, as it simplifies both installation and maintenance, while still providing robust performance for your hot water needs.
To buy this product, click here.
Rinnai RX160iN Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai RX160iN stands out by offering exceptional efficiency and versatility. This model can be installed both indoors and outdoors, powered by either natural gas or propane, making it a flexible choice for various home setups.
Where It Excels
- 30% lighter than the Rinnai RL94iN, making it easier to handle during installation.
Where It Lags
- Fewer color options than some competitors like the EcoSmart ECO 27, which offers a wider aesthetic range.
This Rinnai model is compact, roughly the size of a small suitcase, yet it delivers an impressive flow rate of up to 9 GPM, allowing for simultaneous use across multiple fixtures. Its energy efficiency is noteworthy, boasting a UEF rating of .97, which translates to lower utility bills over time. The modern interface and Quick Flush feature simplify maintenance, while the option for WiFi control (with additional modules) enhances user convenience.
However, potential buyers should note that the RX160iN has fewer aesthetic choices compared to brands like EcoSmart, which may appeal to those looking for a specific look. Overall, this tankless water heater is recommended if weight and efficiency matter most in your selection process.
To buy this product, click here.
Faq about Rinnai RL94iN Tankless Water Heater:
1: What is the Rinnai RL94iN Tankless Water Heater?
The Rinnai RL94iN is a natural gas tankless water heater designed for efficient, on-demand hot water supply for residential use.
2: What is the maximum hot water output?
This model can deliver up to 9.8 gallons per minute, providing ample hot water for multiple fixtures simultaneously.
3: Is it energy efficient?
Yes, the Rinnai RL94iN has an energy factor of 0.82, making it an energy-efficient choice that can lower utility bills.
4: What are the installation requirements?
Installation requires proper venting and a gas line, with options for indoor or outdoor placement depending on your needs.
5: How long is the warranty?
The Rinnai RL94iN comes with a 12-year warranty on the heat exchanger and a 5-year warranty on parts.
6: Can it be used with hard water?
Yes, but it is recommended to install a water softener to prevent scale buildup and maintain efficiency.
7: How does it compare to traditional water heaters?
Unlike traditional heaters, the RL94iN heats water on demand, saving space and energy while providing endless hot water.
Conclusion
The Rinnai RL94iN and RX199iN tankless water heaters epitomize efficiency and innovation, delivering unparalleled performance for residential needs. The RL94iN, with its compact design, offers robust heating capabilities, while the RX199iN stands out with its impressive 199,000 BTU output, ensuring a consistent supply of hot water even in high-demand situations.
Both models showcase Rinnai’s commitment to sustainability and energy conservation, making them exemplary choices for environmentally conscious consumers. Their advanced technology and reliability not only enhance user experience but also promise long-term savings, solidifying their positions as leaders in the tankless water heater market.




