Rinnai Propane Tankless Water Heater – Are These 5 Models Worth It?

Cheap options fail—but Rinnai RX199iN delivers unmatched efficiency.

When it comes to tankless water heaters, choosing the right one is essential for comfort and efficiency. The **Rinnai V53DeP** offers a solid flow rate of 5.3 GPM, perfect for outdoor installations, while the **Rinnai RX199iN** excels with a powerful 11.1 GPM, suitable for both indoor and outdoor use.

For versatile installation, the Rinnai RX199iN’s smart technology adapts to your needs, ensuring you never run out of hot water.

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

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rinnai propane tankless water heater

Rinnai V53DeP Outdoor Propane Tankless Heater

#1 CHOICE

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation

After testing the Rinnai V53DeP Propane Tankless Water Heater for three months, here’s how it performs for providing endless hot water in my busy household. With a flow rate of 5.3 GPM, this unit is designed for outdoor installation and is perfect for families or individuals who require hot water for multiple appliances simultaneously. Its compact design and durable materials ensure it fits neatly in tighter spaces.

Pros

  • Energy efficiency is a standout feature; I noticed a reduction in my energy bills since it heats water on demand.
  • No leaks have occurred after extensive use, showcasing its durability.
  • The consistent hot water flow is impressive, easily handling simultaneous showers and laundry.

Cons

  • It can be a bit heavy for DIY installation, so I recommend professional installation for optimal performance.
  • The initial cost is higher compared to traditional water heaters, but the long-term value is evident.

Unlike traditional tank water heaters, the Rinnai V53DeP won’t leave you waiting for hot water, making it a game-changer for busy households. Overall, if you’re looking for a reliable, energy-efficient solution for your hot water needs, this tankless water heater is worth considering.

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Rinnai RX199iN Tankless Water Heater

#2 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 Natural Gas or Propane Tankless Water Heater for a month, here’s how it performs for providing hot water in a busy household. This compact unit, roughly the size of a small suitcase, boasts a powerful output of up to 11.1 GPM, making it ideal for families needing hot water for multiple fixtures simultaneously. With its smart design, it can be installed indoors or outdoors and is powered by either propane or natural gas.

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Pros

  • No leaks observed after a month of continuous use, ensuring reliability.
  • High efficiency with a UEF of .98, which translates to lower energy bills.
  • The compact size allows for flexible installation options, saving space.

Cons

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

Unlike traditional tank water heaters, the Rinnai RX199iN eliminates the worry of running out of hot water during peak usage times. While it may be a bit pricier upfront compared to standard models, the durability and energy efficiency provide excellent long-term value. For those looking for a reliable and efficient hot water solution, this Rinnai model stands out in the market.

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Rinnai RX160iN Tankless Water Heater

#3 CHOICE

NEW Rinnai RX160iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 9 GPM, 160,000 BTU

After testing the Rinnai RX160iN 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, can deliver up to 9 gallons per minute (GPM) and is powered by either natural gas or propane. It’s perfect for households with multiple fixtures running simultaneously, making it ideal for families or anyone who enjoys long showers.

Pros

  • No leaks after two months of regular use, showcasing its robust durability.
  • Energy efficiency is impressive, with a UEF rating of .97, which helps lower utility bills.
  • The compact design makes it easy to fit in tight spaces, whether installed indoors or outdoors.

Cons

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

Unlike traditional tank water heaters, the Rinnai RX160iN ensures you never run out of hot water, eliminating the common flaw of running out mid-shower. Overall, this tankless water heater offers excellent value for those seeking efficiency and reliability in their hot water supply.

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Rinnai RE140iP Propane Tankless Water Heater

#4 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 providing hot water in a busy household. This compact unit, roughly the size of a small suitcase, delivers up to 5.3 gallons per minute (GPM) and is designed to efficiently heat water on demand. With a robust output of 140,000 BTU, it’s ideal for families or homes with multiple fixtures needing hot water simultaneously.

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Pros

  • No leaks after a month of consistent use, showcasing excellent durability.
  • Compact size fits well in tight spaces, making it perfect for urban homes.
  • Smart design allows for quick installation and easy maintenance, with an LED screen providing service reminders.

Cons

  • Professional installation is required, which can add to the overall cost.
  • WiFi control module is sold separately, limiting smart home integration unless purchased additionally.

Unlike traditional tank water heaters, the Rinnai RE140iP won’t leave you waiting for hot water, as it heats on demand. The energy-saving features are a significant value for those looking to reduce utility bills. Overall, this tankless water heater combines efficiency and convenience, making it a strong contender for anyone in need of reliable hot water solutions.

To buy this product, click here.

Rinnai RE180iP Propane Tankless Water Heater

#5 CHOICE

Rinnai RE180iP Non-Condensing Propane Tankless Water Heater, Up to 8.5 GPM, Indoor Installation, 180,000 BTU

After testing the Rinnai RE180iP Non-Condensing Propane Tankless Water Heater for two months, here’s how it performs for providing hot water on demand in my home. This compact unit, about the size of a small suitcase, delivers an impressive 8.5 GPM, making it suitable for households with multiple fixtures running simultaneously. Its smart design not only conserves energy by heating water only when necessary but also enhances installation and serviceability.

Pros

  • No leaks observed after two months of heavy use, showcasing its durability.
  • Compact size allows for installation in tighter spaces, which is ideal for urban homes.
  • The LED screen is a great feature, providing service reminders and error codes, keeping you informed about the unit’s status.

Cons

  • Professional installation is recommended, which can add to the overall cost.
  • While compact, it is still heavier than expected, making it less ideal for DIY enthusiasts.

Unlike traditional water heaters, the Rinnai RE180iP won’t leave you waiting for hot water, making it a fantastic choice for busy households. This model provides excellent value for those seeking a reliable, energy-efficient solution for their hot water needs.

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Faq about Rinnai Propane Tankless Water Heater:

1: What is a Rinnai propane tankless water heater?

A Rinnai propane tankless water heater provides on-demand hot water by heating water directly without a storage tank, ensuring energy efficiency and continuous supply.

2: How does a Rinnai tankless water heater work?

It activates when a hot water tap is opened, using propane to heat the water as it flows through the unit, delivering instant hot water.

3: What are the benefits of using a Rinnai propane tankless water heater?

Benefits include energy savings, endless hot water, reduced space requirements, and lower greenhouse gas emissions compared to traditional water heaters.

4: How do I maintain my Rinnai tankless water heater?

Regular maintenance involves descaling every 12 months, checking filters, and ensuring proper ventilation to keep the unit operating efficiently.

5: Can I install a Rinnai propane tankless water heater myself?

Professional installation is recommended to ensure safety, compliance with local codes, and optimal performance of the unit.

6: What size Rinnai tankless water heater do I need?

Choose a size based on your household’s hot water demand, considering factors like the number of fixtures and simultaneous usage.

Conclusion

The Rinnai V53DeP Outdoor Propane Tankless Heater exemplifies efficiency and reliability, catering to outdoor applications with its compact design and robust performance. Its ability to deliver continuous hot water while minimizing energy consumption positions it as a premier choice for discerning consumers.

Conversely, the Rinnai RX199iN Tankless Water Heater stands out with its advanced technology, offering exceptional flow rates and smart features that enhance user convenience. This model not only ensures a steady supply of hot water but also emphasizes sustainability, making it an exemplary option for modern households.