Condensing Smart Sense Natural Gas Tankless Water Heater Outdoor – What You Need to Know

Budget heaters struggle—but Rinnai RX199iN delivers premium performance.

When it comes to choosing the right tankless water heater, the options can be overwhelming. The **Rinnai RX199iN** stands out with its impressive 11.1 GPM flow rate, while the **Rinnai CX199iN** excels in commercial applications with robust efficiency. Both models ensure you never run out of hot water.

For outdoor use, the Rheem RTG-70XLN-3 shines with its high-efficiency design, making it perfect for various climates.

Below, we analyze budget, lifespan, and real-user feedback.

Rinnai RX199iN Tankless Water Heater

Rinnai RX199iN Condensing Smart Sense Tankless Water Heater: 11.1 GPM, compact design, 99% energy efficiency, propane or natural gas compatible, 2-year warranty.

Benefits

• Provides up to 11.1 GPM, accommodating multiple fixtures simultaneously.

Drawbacks

• Professional installation recommended, which may incur additional costs.

The Rinnai RX199iN is a remarkable tankless water heater that offers a blend of efficiency and convenience. Its compact size, akin to a small suitcase, makes it ideal for homes with limited space. With a capacity of up to 11.1 gallons per minute, it ensures you never run out of hot water, even when running multiple fixtures at once. The Smart Sense gas control system allows for seamless operation with either propane or natural gas, enhancing its versatility.

One of the standout features is its high energy efficiency rating of 0.98 UEF, which translates to significant savings on energy bills over time. The modern design includes an easy-to-use interface and a Quick Flush feature for simplified maintenance.

However, it’s important to note that professional installation is recommended to ensure optimal performance, which could add to the overall cost. Additionally, this unit does not include WiFi control capabilities, which may be a drawback for tech-savvy users.

Overall, the Rinnai RX199iN is a practical pick for small spaces and those seeking an efficient, reliable hot water solution.

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Rinnai CX199iN Tankless Water Heater 199,000 BTU

Rinnai CX199iN Condensing Smart Sense Commercial Natural Gas or Propane Tankless Water Heater: 199,000 BTU, 11.1 GPM, 97% thermal efficiency, Smart Connect feature, indoor/outdoor installation.

Benefits

• 11.1 GPM hot water output, sufficient for multiple fixtures simultaneously.
• 97% thermal efficiency significantly lowers energy costs.
• Smart Connect allows for effortless monitoring and management via smartphone app.
• Installation flexibility with optional conversion kit for recirculation.

Drawbacks

• Professional installation recommended, which may add to initial costs.
• Requires RX-OVC vent cap for outdoor installation, not included.

This Rinnai model is a practical pick for commercial use or large households needing reliable hot water. Its high efficiency and advanced features stand out, making it ideal for those looking to save on energy bills while enjoying consistent hot water supply. The Smart Connect feature enhances user experience, allowing for easy management from a smartphone. While the need for professional installation may be a drawback for some, the benefits far outweigh this minor inconvenience, ensuring long-term satisfaction and convenience.

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Rheem Outdoor Tankless Gas Water Heater

Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater: 7.0 GPM, Gray, compact design, 2-year warranty.

Benefits

• Provides continuous hot water for your entire house, even with multiple applications running simultaneously.
• High efficiency saves energy costs by only operating when hot water is needed.
• Water-saving setting can save up to 1,100 gallons of water per year.
• Hot-start programming prevents cold-water bursts, ensuring a consistent hot water supply.
• Compact size is 19% smaller and 22% lighter than previous models, making installation easier and saving space.

Drawbacks

• No indoor installation option limits placement to outdoor settings only.
• Requires professional installation which can add to initial costs.

A practical pick for small spaces, the Rheem RTG-70XLN-3 is ideal for homeowners seeking an efficient and space-saving solution for their hot water needs. With its continuous hot water supply and energy-saving features, it meets the demands of modern households effectively.

To buy this product, click here.

Rinnai Smart-Circ Tankless Water Heater

Rinnai REP160eN Smart-Circ Non-Condensing Natural Gas Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

• Provides up to 6.6 GPM, supporting multiple fixtures simultaneously without running out of hot water.

Drawbacks

• No WiFi control module included, requiring separate purchase for remote access.

The Rinnai REP160eN is an excellent choice for those needing reliable hot water on demand. Its Smart-Circ Intelligent Recirculation technology learns your usage patterns, optimizing energy efficiency while ensuring hot water is readily available. The compact design allows it to fit in tight spaces, making it ideal for smaller homes or apartments.

Installation is recommended to be done by a professional, which ensures proper setup and functionality. The heater is built to last, with a robust warranty covering parts and labor. However, be aware that the lack of a WiFi control module may be a drawback for tech-savvy users looking for smart home integration.

This unit is perfect for anyone living in a small space who values efficiency and convenience in their hot water supply. With its high output and smart features, the Rinnai REP160eN stands out as a practical option for modern living.

To buy this product, click here.

Rinnai RE140eN Tankless Water Heater

Rinnai RE140eN Non-Condensing Natural Gas Tankless Water Heater: Up to 5.3 GPM, compact design, 140,000 BTU, outdoor installation, 15-year heat exchanger warranty.

Benefits

• Provides up to 5.3 GPM, allowing simultaneous use of five fixtures without running out of hot water.

Drawbacks

• Professional installation recommended; self-installation may void warranty.

The Rinnai RE140eN is a smart choice for those needing an efficient water heating solution. Its compact design, comparable to a small suitcase, makes it ideal for tight spaces while delivering impressive performance. With a maximum output of 5.3 gallons per minute, it can easily support multiple hot water demands at once, ensuring that you never run out during peak usage times.

One of the standout features of this unit is its energy-efficient operation. The non-condensing design heats water only when necessary, which can lead to reduced energy costs over time. Additionally, the LED screen provides clear service reminders and error codes, enhancing user experience and maintenance ease.

However, it’s important to note that professional installation is highly recommended. Attempting to install the unit without a qualified technician may lead to warranty issues and potential safety concerns. Overall, the Rinnai RE140eN is a practical pick for small spaces, delivering reliable hot water on demand.

To buy this product, click here.

Faq about Condensing Smart Sense Natural Gas Tankless Water Heater Outdoor:

1: What is a Condensing Smart Sense Natural Gas Tankless Water Heater?

A condensing smart sense natural gas tankless water heater is an energy-efficient system that heats water on demand, eliminating the need for a storage tank.

2: How does it work?

This water heater uses natural gas to heat water as it flows through the unit, utilizing a condensing process to maximize energy efficiency.

3: What are the benefits of using this type of heater?

Benefits include lower energy bills, continuous hot water supply, space savings, and reduced greenhouse gas emissions.

4: Is installation difficult?

Installation should be done by a qualified professional, as it involves gas connections and venting requirements.

5: What maintenance is required?

Regular maintenance includes descaling and checking the venting system to ensure optimal performance and longevity.

6: Can it provide enough hot water for my home?

Yes, it can provide sufficient hot water for multiple outlets simultaneously, depending on the model and flow rate.

7: Is it suitable for outdoor installation?

Yes, this model is designed for outdoor installation, allowing for efficient operation in various climates.

8: What is the average lifespan?

The average lifespan of a condensing tankless water heater is around 15 to 20 years with proper maintenance.

Conclusion

Both the Rinnai RX199iN and CX199iN exemplify the pinnacle of efficiency and innovation in tankless water heating solutions. The RX199iN, with its compact design and robust performance, is ideal for outdoor installations, providing an impressive flow rate for various applications.

Conversely, the CX199iN, boasting a remarkable 199,000 BTU capacity, ensures rapid heating for larger households. Together, these models represent a significant advancement in energy conservation and user convenience, catering to diverse consumer needs while enhancing overall sustainability.