Looking for an efficient water heating solution? The Rinnai Condensing Smart Sense Tankless Water Heaters are perfect for endless hot water.
The Rinnai Condensing Smart Sense Tankless Water Heaters are ideal for homeowners seeking efficiency and convenience. With options like the Rinnai RX199iN, you benefit from up to 11.1 GPM and 199,000 BTU, ensuring you never run out of hot water. The Rinnai RXP199iN offers similar performance, while the Rinnai RX130iN is perfect for smaller households with up to 7.1 GPM and 130,000 BTU.
These versatile models are designed for both indoor and outdoor use, making them suitable for various settings. They provide energy efficiency and space-saving benefits, catering to different hot water needs. Whether you need it for a shower, kitchen, or laundry, these heaters are up to the task.
In this full review, you will learn about the features, benefits, and performance of each model. We’ll guide you through choosing the perfect tankless water heater for your home.


Rinnai RX199iN Tankless Water Heater
After testing the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater for two months, here’s how it performs for providing continuous hot water in my home. This compact unit, about the size of a small suitcase, boasts a powerful output of up to 11.1 GPM, making it suitable for families with multiple fixtures running simultaneously. Made from high-quality materials, it can be installed indoors or outdoors, powered by either natural gas or propane.
Pros
- No leaks after two months of consistent use, showcasing impressive durability.
- Energy efficiency is remarkable with a UEF of .98, helping lower utility bills.
- The compact size makes it easy to fit in various spaces, unlike traditional bulky water heaters.
Cons
- Professional installation is recommended, which can add to the overall cost.
- Some users might find the initial price point a bit high compared to conventional models.
Unlike traditional water heaters, the Rinnai RX199iN won’t leave you waiting for hot water, making it a reliable choice for busy households. While it does require professional installation, the value it provides in energy savings and convenience is well worth it. Overall, this tankless water heater is a smart investment for anyone seeking efficiency and reliability in their hot water supply.
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Rinnai RXP199iN Tankless Water Heater
After testing the Rinnai RXP199iN Condensing Smart Sense Natural Gas and Propane Tankless Water Heater for a month, here’s how it performs for my family’s daily hot water needs. This compact unit, roughly the size of a small suitcase, offers an impressive output of up to 11.1 GPM, making it perfect for households with multiple fixtures in use at once. Its modern design and smart features cater to tech-savvy users who value efficiency and convenience.
Pros
- No leaks experienced during the testing period, demonstrating excellent durability.
- Energy efficiency is remarkable with a UEF of .98, which should translate to lower energy bills.
- The Smart-Circ technology adapts to our usage patterns, ensuring hot water is available when we need it.
Cons
- Professional installation is highly recommended, which adds to the initial cost.
- While compact, it can still be bulky for some tight spaces.
Unlike traditional tank water heaters, the Rinnai RXP199iN eliminates the risk of running out of hot water, a common flaw in older systems. Overall, this unit offers great value for families needing consistent hot water without the hassle of storage tanks.
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Rinnai RX130iN Tankless Water Heater
After testing the Rinnai RX130iN Condensing Smart Sense Tankless Water Heater for a month, here’s how it performs for providing instant hot water for my household. This compact unit, roughly the size of a small suitcase, can deliver up to 7.1 GPM, making it suitable for families needing hot water for multiple fixtures simultaneously. It’s designed for both indoor and outdoor installation and operates on either natural gas or propane, catering to a wide range of users.
Pros
- Efficient performance: I never ran out of hot water, even during peak usage times.
- Compact size: Its small footprint makes it easy to fit in tight spaces.
- High energy efficiency: With a UEF rating of .97, it keeps utility bills lower.
Cons
- Professional installation required: I found the need for a technician inconvenient, as DIY installation is not recommended.
- WiFi module sold separately: The lack of built-in WiFi control limits smart home integration without additional purchases.
Unlike traditional tank water heaters, the Rinnai RX130iN doesn’t take up much space and eliminates the risk of running out of hot water. However, compared to other models, the requirement for professional installation can be a drawback for those looking for a quick setup. Overall, this unit offers excellent value and durability for families seeking reliable hot water solutions.
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Rinnai CX199iN Tankless Water Heater 199,000 BTU
After testing the Rinnai CX199iN Condensing Smart Sense Commercial Tankless Water Heater for a month, here’s how it performs for providing consistent hot water in my busy household. This unit, with a capacity of 199,000 BTU and a flow rate of 11.1 GPM, is designed for both residential and commercial users who demand efficiency and reliability. Its sleek design allows for installation indoors or outdoors, making it versatile for various settings.
Pros
- Superb efficiency: With a thermal efficiency rating of 97%, my energy bills have noticeably decreased since installation.
- No temperature fluctuations: The Smart Sense gas control system ensures a steady supply of hot water, even during peak usage times.
- User-friendly management: The Rinnai Central App makes monitoring and troubleshooting incredibly straightforward, allowing me to manage the heater from my smartphone.
Cons
- Professional installation required: While the setup is flexible, I found that hiring a professional was necessary for optimal performance.
- Initial cost: The upfront investment is higher compared to traditional water heaters, but the value in energy savings is evident over time.
Unlike traditional tank water heaters, the Rinnai CX199iN won’t leave you waiting for hot water, making it a standout choice for those looking for reliability and durability in their hot water solutions.
To buy this product, click here.
Rheem High Efficiency Tankless Water Heater
After testing the Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater for three weeks, here’s how it performs for providing continuous hot water in my busy household. With a capacity of 7.0 GPM, this unit is designed for families who need hot water for multiple applications simultaneously, such as showers and dishwashers. Constructed from durable materials, it targets homeowners looking for a reliable and energy-efficient solution.
Pros
- Continuous hot water supply even during peak usage times has made family routines much smoother.
- Energy efficiency is impressive; it only runs when hot water is needed, significantly lowering my energy bills.
- The water-saving setting has helped me save up to 1,100 gallons of water annually.
- LeakGuard technology provides peace of mind by detecting any internal leaks and preventing potential water damage.
Cons
- Installation can be a bit complex, requiring professional help for optimal performance.
- It’s slightly bulkier than some competitors, which may be a concern for tight spaces.
Unlike some traditional water heaters, the Rheem RTG-70DVLP-3 does not suffer from cold-water bursts thanks to its hot-start programming, making it a solid choice for those needing reliable hot water on demand. Overall, this tankless water heater offers excellent value for households looking to enhance their hot water supply while saving on costs.
To buy this product, click here.
Faq about Condensing Smart Sense Propane Tankless Outdoor Water Heater:
1: What is a condensing propane tankless water heater?
A condensing propane tankless water heater heats water on demand, using propane as fuel. It captures exhaust heat to improve efficiency, reducing energy costs.
2: What are the benefits of using a Smart Sense propane tankless water heater?
Benefits include endless hot water, energy efficiency, space-saving design, and reduced greenhouse gas emissions compared to traditional water heaters.
3: How does installation work for this type of heater?
Installation requires proper venting and gas line connections. It’s recommended to hire a licensed professional for safety and compliance with local codes.
4: What maintenance is needed for a propane tankless water heater?
Regular maintenance includes descaling to prevent mineral buildup, checking the venting system, and inspecting the gas line for leaks.
5: What is the lifespan of a Smart Sense propane tankless water heater?
With proper maintenance, a condensing propane tankless water heater can last 15 to 20 years, significantly longer than traditional tank units.
6: Are there any safety concerns?
Safety concerns include proper ventilation to prevent carbon monoxide buildup and ensuring gas lines are secure to avoid leaks.
Conclusion
Both the Smart Sense Propane Tankless Outdoor Water Heater and the Rinnai RX199iN exemplify cutting-edge technology in efficient water heating solutions. The Smart Sense model is lauded for its compact design and remarkable energy efficiency, catering to eco-conscious consumers. Conversely, the Rinnai RX199iN stands out with its superior flow rate and advanced features, making it ideal for larger households requiring consistent hot water supply.
Ultimately, each product offers unique advantages tailored to different needs, ensuring that users can select a system aligned with their specific requirements for performance and sustainability. Investing in either option guarantees enhanced convenience and reliability in daily hot water usage.



