Top Picks for Non-Condensing Tankless Water Heaters That Impress

Are you tired of running out of hot water during showers? A tankless water heater offers a continuous supply, solving your problem effectively.

Tankless water heaters, like the Rheem RTG-95DVLN-3 and Rinnai RE160iP, provide on-demand hot water. They are efficient and save space, making them ideal for modern homes. With high flow rates, these units can serve multiple fixtures simultaneously, ensuring comfort and convenience.

In our full review, we break down performance, durability, and more to help you choose the right tankless water heater for your needs.

best non condensing tankless water heaterbest non condensing tankless water heaterbest non condensing tankless water heater
best non condensing tankless water heater

Rheem High Efficiency Indoor Tankless Water Heater

#1 CHOICE Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM

Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater: 9.5 GPM, Energy-efficient, LeakGuard technology, 5-year warranty.

Benefits

  • Provides enough hot water for your entire house, even when using multiple applications simultaneously.
  • Saves on energy costs by only running when hot water is needed.
  • Water-saving setting saves up to 1,100 gallons of water per year.
  • Hot-start programming keeps the heater in a ready state, preventing cold-water bursts.
  • LeakGuard technology detects any internal leaks, protecting your home from potential water damage.

Drawbacks

  • Noisy operation during peak usage times may be noticeable.
  • Requires professional installation which can add to the overall cost.

A practical pick for large households seeking continuous hot water without the wait. The Rheem RTG-95DVLN-3 stands out for its efficiency and advanced features, making it a reliable solution for modern living.

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Rinnai RE160iP Propane Tankless Water Heater

#2 CHOICE Rinnai RE160iP Non-Condensing Propane Tankless Water Heater, Up to 6.6 GPM, Indoor Installation, 160,000 BTU

Rinnai RE160iP Non-Condensing Propane Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Provides up to 6.6 GPM, sufficient for multiple fixtures simultaneously.
  • Compact size similar to a small suitcase, ideal for tight spaces.
  • Smart design heats water only when needed, conserving energy.
  • LED screen offers service reminders and error codes for easy maintenance.

Drawbacks

  • No WiFi control module included; must purchase separately for remote access.
  • Professional installation recommended, which may add to overall cost.
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A practical pick for small spaces, the Rinnai RE160iP is ideal for homeowners seeking efficient hot water solutions without the bulk of traditional heaters. Its compact design ensures it fits seamlessly into limited areas, while its high output capacity guarantees that you won’t run out of hot water during peak usage times. The energy-saving features are a significant plus, making it an environmentally friendly option. However, potential buyers should be aware of the extra cost associated with professional installation and the need for additional accessories for WiFi capabilities. Overall, this tankless water heater is a reliable choice for modern living.

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Rheem High Efficiency Indoor Tankless Water Heater

#3 CHOICE Rheem RTG-84DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, 8.4 GPM

Rheem RTG-84DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater: 8.4 GPM, liquid propane, 15-year warranty.

Benefits

  • Provides continuous hot water for multiple applications simultaneously.
  • Energy-efficient operation reduces costs by only running when hot water is needed.
  • Water-saving setting conserves up to 1,100 gallons of water annually.
  • Hot-start programming minimizes cold-water bursts, ensuring a consistent temperature.

Drawbacks

  • Requires professional installation, which may add to initial costs.
  • Higher upfront price compared to traditional tank water heaters.

A practical pick for homeowners seeking efficiency and reliable hot water supply.

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Rinnai RE180iP Propane Tankless Water Heater

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

Rinnai RE180iP Non-Condensing Propane Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Provides up to 8.5 GPM, capable of servicing 7 fixtures simultaneously without running out of hot water.

Drawbacks

  • No WiFi control module included, which may limit smart home integration unless purchased separately.

This compact tankless water heater is designed for indoor installation, making it a practical choice for homes with limited space. Its smart design ensures that it only heats water when necessary, which conserves energy and reduces utility bills. The LED screen is user-friendly, providing service reminders and error codes for easy maintenance. Additionally, the durable construction is backed by a comprehensive warranty, offering peace of mind for homeowners.

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However, potential buyers should note that professional installation is recommended. This ensures optimal performance and safety, as improper installation can lead to issues. Furthermore, the lack of a dishwasher-safe control module may deter some users seeking full smart home compatibility.

Overall, the Rinnai RE180iP is a solid investment for those looking to maximize hot water availability in small spaces. Its efficient design and reliable performance make it an excellent choice for modern households.

To buy this product, click here.

Rinnai RX199iN Tankless Water Heater

#5 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

Rinnai RX199iN Condensing Smart Sense Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

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

Drawbacks

  • Professional installation required; not a DIY-friendly product.

The Rinnai RX199iN is a compact tankless water heater that excels in delivering hot water on demand. With a flow rate of up to 11.1 gallons per minute, it can support up to seven fixtures at once, making it ideal for busy households. Its smart design allows for installation in both indoor and outdoor settings, thanks to the Versa Vent system. This flexibility is a significant advantage for those with limited space.

Efficiency is another strong point; the unit boasts a UEF of .98, meaning it operates with high energy efficiency. The Quick Flush feature simplifies maintenance, ensuring optimal performance over time. Additionally, the easy-to-use interface makes adjustments straightforward.

However, potential buyers should note that professional installation is recommended. This may add to the overall cost and complexity of setup. Furthermore, the unit lacks dishwasher-safe parts, which could be a drawback for those seeking easy cleaning solutions.

Overall, the Rinnai RX199iN is a practical pick for small spaces needing reliable hot water without the bulk of traditional tank systems.

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Faq about best non condensing tankless water heater:

1:What is a non-condensing tankless water heater?

A non-condensing tankless water heater heats water directly without using a secondary heat exchanger, resulting in higher exhaust temperatures.

2:What are the advantages of non-condensing tankless water heaters?

They are typically less expensive, easier to install, and have a simpler design compared to condensing models, making them a popular choice.

3:How do I choose the best non-condensing tankless water heater?

Consider factors like flow rate, energy efficiency, installation space, and brand reputation to find the best model for your needs.

4:Are non-condensing tankless water heaters energy efficient?

They are generally less energy-efficient than condensing models, but many still offer significant savings over traditional tank heaters.

5:What maintenance do non-condensing tankless water heaters require?

Regular descaling, cleaning the inlet filter, and checking the venting system are essential for optimal performance and longevity.

6:Can non-condensing tankless water heaters be used in cold climates?

Yes, but they may require additional insulation or a larger unit to ensure sufficient hot water supply in colder temperatures.

7:What is the lifespan of a non-condensing tankless water heater?

Typically, they last around 10-15 years with proper maintenance, depending on usage and water quality.

Conclusion

Both the Rheem High Efficiency Indoor Tankless Water Heater and the Rinnai RE160iP Propane Tankless Water Heater exemplify excellence in modern water heating solutions. Rheem’s model is lauded for its remarkable energy efficiency and consistent hot water supply, ideal for households with high demand. Meanwhile, Rinnai’s offering stands out for its robust performance and versatility, catering to various installation needs while ensuring optimal energy use.

Ultimately, each product addresses unique consumer requirements, with Rheem focusing on efficiency and Rinnai emphasizing adaptability. These attributes render them premier choices in the non-condensing tankless water heater market, appealing to discerning homeowners seeking reliability and performance.

Joye
Joye

I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.