Condensing Smart Sense Propane Tankless Indoor Water Heater – What Sets Them Apart?

Budget models disappoint—but Rinnai RX199iN delivers unmatched efficiency.

When it comes to tankless water heaters, choosing the right one is essential for consistent hot water supply. The **Rinnai RX199iN** offers impressive flow rates of up to 11.1 GPM, while the **Rinnai RX130iN** excels in compact spaces with a 7.1 GPM capacity. Both models ensure reliable performance for your home.

For outdoor use, the Rinnai RX199iN’s versatile design makes it a top choice, providing durability and efficiency in any setting.

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

Condensing Smart Sense Propane Tankless indoor Water HeaterCondensing Smart Sense Propane Tankless indoor Water HeaterCondensing Smart Sense Propane Tankless indoor Water Heater

Condensing Smart Sense Propane Tankless indoor Water Heater

Rinnai RX199iN Tankless Water Heater

#1 CHOICE

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

After testing the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater for a month, here’s how it performs for a busy household with multiple hot water needs. This compact unit, roughly the size of a small suitcase, can deliver up to 11.1 GPM, making it ideal for families who run several fixtures simultaneously. Constructed from high-quality materials, this heater can be installed indoors or outdoors, powered by either natural gas or propane.

Pros

  • No leaks after extensive use, demonstrating impressive durability.
  • High efficiency with a UEF rating of .98, significantly lowering energy costs.
  • Easy-to-use interface and Quick Flush feature simplify maintenance.

Cons

  • Professional installation is recommended, which may add to the initial cost.
  • Requires a specific vent cap for outdoor installation, which could complicate setup.

Unlike traditional tank water heaters, the Rinnai RX199iN ensures you never run out of hot water, making it a reliable choice for those with high demands. While it may be more expensive upfront compared to competitors, the long-term value in energy savings and efficiency is undeniable. Overall, this tankless water heater is a solid investment for any household looking to modernize their hot water system.

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Rinnai RXP199iN Tankless Water Heater

#2 CHOICE

NEW Rinnai RXP199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

After testing the Rinnai RXP199iN Condensing Smart Sense Tankless Water Heater for a month, here’s how it performs for my family of five. This compact unit, roughly the size of a small suitcase, operates on either natural gas or propane, delivering an impressive 11.1 GPM, which easily accommodates multiple fixtures simultaneously. Its sleek design and high energy efficiency (UEF .98) make it a great choice for homeowners looking to save space and energy.

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Pros

  • No more cold showers—the Rinnai consistently provides hot water, even during peak usage times.
  • Smart-Circ technology effectively learns our water usage patterns, ensuring hot water is available when we need it without wasting energy.
  • Compact size makes installation versatile, whether indoors or outdoors.

Cons

  • Installation can be tricky—I recommend hiring a professional, as improper setup could lead to issues.
  • Higher initial cost compared to traditional tank heaters, but the long-term savings on energy bills may offset this.

Unlike traditional tank water heaters, the Rinnai RXP199iN won’t leave you waiting for the tank to refill. Its design and technology offer a level of durability and efficiency that stands out in the market, making it a solid investment for families needing reliable hot water.

To buy this product, click here.

Rinnai RX130iN Tankless Water Heater

#3 CHOICE

NEW Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 7.1 GPM, 130,000 BTU

After testing the Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater for a month, here’s how it performs for providing endless hot water in my home. This compact unit, roughly the size of a small suitcase, delivers an impressive 7.1 GPM, making it suitable for busy households with multiple fixtures running simultaneously. Its versatility allows for both indoor and outdoor installation, powered by either propane or natural gas, which is ideal for various setups.

Pros

  • No leaks after a month of testing, showcasing its solid construction and durability.
  • High efficiency with a UEF of .97, which helps lower energy bills.
  • Easy-to-use interface and Quick Flush feature simplify maintenance.

Cons

  • Professional installation is recommended, which can add to the overall cost.
  • Requires a specific vent cap for outdoor installation, which may not be included in the initial purchase.

Unlike traditional tank water heaters, the Rinnai RX130iN won’t leave you waiting for hot water, making it a great choice for large families. However, it may not be the best option for those looking for a DIY installation due to its complexity. Overall, this unit combines efficiency and value, making it a worthwhile investment for anyone needing reliable hot water on demand.

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Rinnai CX199iN Tankless Water Heater 199,000 BTU

#4 CHOICE

Rinnai CX199iN Condensing Smart Sense Commercial Natural Gas or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM

After testing the Rinnai CX199iN Condensing Smart Sense Commercial Tankless Water Heater for a month, here’s how it performs for providing hot water on demand in my home. This unit boasts a compact size, making it suitable for both indoor and outdoor installations, and is powered by either propane or natural gas. With a heating capacity of 199,000 BTU and an impressive flow rate of 11.1 GPM, it’s ideal for large households or commercial settings where hot water is a necessity.

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Pros

  • High efficiency with a thermal efficiency rating of 97%, significantly lowering energy costs.
  • No leaks experienced during my month of use, showcasing its durability.
  • Smart Connect feature allows for effortless monitoring and management via the Rinnai Central App.

Cons

  • Heavy and may require professional installation, which adds to initial costs.
  • Requires a specific RX-OVC vent cap for outdoor installation, which might not be included.

Unlike traditional tank water heaters, the Rinnai CX199iN won’t run out of hot water during peak usage times, making it a reliable choice for busy households. This model provides excellent value for those seeking a long-term solution to hot water needs while also being energy-efficient. Overall, it’s a solid investment for anyone looking to upgrade their hot water system.

To buy this product, click here.

Rinnai RE140iP Propane Tankless Water Heater

#5 CHOICE

Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

After testing the Rinnai RE140iP Non-Condensing Propane Tankless Water Heater for a month, here’s how it performs for a busy household needing constant hot water. This compact unit, roughly the size of a small suitcase, delivers up to 5.3 GPM, making it suitable for homes with multiple fixtures in use simultaneously. Its smart design not only conserves energy by heating water only when necessary but also features an LED screen that provides service reminders and error codes, which is a thoughtful touch for users.

Pros

  • Durability is evident with a robust build and a 15-year guarantee on the heat exchanger, ensuring long-term reliability.
  • No leaks observed after a month of rigorous testing, which is a significant plus for peace of mind.

Cons

  • Heavy for some users, making it less ideal for DIY installation without professional help.
  • Installation can be tricky, as it’s recommended to hire a technician, adding to overall costs.

Unlike the Rinnai RE180i, which struggles with efficiency at peak times, the RE140iP consistently provides hot water without interruption. Overall, this tankless water heater offers excellent value for families needing a reliable hot water source, balancing performance and compactness effectively.

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FAQ about Condensing Smart Sense Propane Tankless Indoor Water Heater:

1: What is a Condensing Smart Sense Propane Tankless Indoor Water Heater?

A Condensing Smart Sense Propane Tankless Indoor Water Heater provides on-demand hot water using propane gas, efficiently heating water without a storage tank.

2: How does it work?

This heater uses advanced condensing technology to maximize energy efficiency by capturing exhaust gases and using their heat to warm incoming water.

3: What are the benefits?

Benefits include energy savings, endless hot water supply, reduced carbon footprint, and space-saving design compared to traditional water heaters.

4: Is installation difficult?

Installation can be complex and typically requires a professional plumber or HVAC technician to ensure safety and compliance with local codes.

5: How do I maintain it?

Regular maintenance includes descaling the unit annually, checking for gas leaks, and ensuring proper ventilation to maintain efficiency and safety.

6: What is the lifespan?

With proper maintenance, a condensing tankless water heater can last 15 to 20 years, significantly longer than traditional tank heaters.

7: Are there any safety concerns?

Safety concerns include proper ventilation to prevent carbon monoxide buildup and ensuring the unit is installed according to safety regulations.

Conclusion

The Smart Sense Propane Tankless Indoor Water Heater exemplifies efficiency and modernity, offering a compact solution with impressive energy conservation features. Its user-friendly interface and reliability make it an exceptional choice for those seeking seamless hot water access.

Conversely, the Rinnai RX199iN and RXP199iN Tankless Water Heaters stand out for their advanced technology and robust performance, catering to larger households with high demand. Both models ensure consistent water temperature and optimal flow rates, solidifying their status as premier options in the tankless water heater market.