Are you tired of running out of hot water during showers? A reliable solution is a non-condensing tankless water heater.
A non-condensing tankless water heater provides endless hot water on demand, making it perfect for busy households. Two top products, Rinnai RE140iP and Rheem RTG-70DVLP-3, are designed for efficient indoor installation, ensuring you never run out of hot water. Their compact size saves space while delivering powerful performance.
In our full review, we break down performance, durability, and more to help you choose the right model for your needs.
Rinnai RE140iP Propane Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai RE140iP Non-Condensing Propane Tankless Water Heater stands out by offering an impressive combination of efficiency and compact design. With its capability to deliver up to 5.3 gallons per minute, it ensures that you never run out of hot water, making it an ideal choice for households with multiple fixtures in use.
Where It Excels
- 30% lighter than the Rheem RTGH-95DVLN, making it easier to install and handle.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a wider aesthetic variety.
This model shines particularly in energy efficiency, as it heats water only when needed, conserving energy and reducing utility bills. The smart design enhances serviceability with a cleaner internal layout and an LED screen that provides service reminders and error codes, making maintenance straightforward. However, it does have fewer aesthetic choices compared to some competitors, which may be a consideration for those looking to match decor.
Pick this if weight matters most, as its lightweight design makes installation a breeze. Overall, the Rinnai RE140iP is a strong contender in the tankless water heater market, especially for those prioritizing efficiency and ease of installation.
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Rheem High Efficiency Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater stands out by offering a remarkable blend of efficiency and performance. With a maximum flow rate of 7.0 GPM, it ensures a continuous supply of hot water for your entire household, even during peak usage times.
Where It Excels
- 30% lighter than the Rinnai RUC98iN, making it easier to install and handle.
Where It Lags
- Fewer color options than the Navien NPE-240A, which may not suit all aesthetic preferences.
This unit is designed to save on energy costs, operating only when hot water is needed, which can significantly reduce your monthly bills. The water-saving setting helps conserve up to 1,100 gallons annually, making it an eco-friendly choice. Additionally, the hot-start programming feature minimizes cold-water bursts, ensuring a consistently comfortable experience.
However, it does have fewer aesthetic options compared to competitors like Navien, which could be a consideration for those focused on design. Overall, if weight matters most to you, and you seek a reliable, efficient water heater for your home, the Rheem RTG-70DVLP-3 is a commendable choice that provides both performance and peace of mind with its leak protection features.
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Rheem High Efficiency Outdoor Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater stands out by offering exceptional energy efficiency and consistent hot water supply. With a capacity of 7.0 GPM, it is designed to meet the demands of a busy household, ensuring you can run multiple applications simultaneously without a hitch.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making it easier to install and maneuver during setup.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which may not suit all aesthetic preferences.
This model is particularly beneficial for those who prioritize energy savings, as it only operates when hot water is needed, significantly reducing energy costs. The water-saving setting is another highlight, potentially saving up to 1,100 gallons of water annually. Additionally, the hot-start programming feature prevents cold-water bursts, ensuring a comfortable experience during use.
Pick this if weight matters most, especially for installations in tight spaces or for those who prefer a lighter unit. While it may lack the variety in color options compared to some competitors, the Rheem RTG-70XLN-3 excels in efficiency and performance, making it a solid choice for anyone looking to upgrade their hot water system.
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Rheem High Efficiency Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater stands out by offering a perfect blend of efficiency and convenience for homeowners. With a flow rate of 7.0 GPM, it ensures a continuous supply of hot water, making it ideal for households that require simultaneous use across multiple applications.
Where It Excels
- 30% lighter than the Rinnai RUC98iN, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which may not appeal to those looking for aesthetic variety.
This model is particularly advantageous for families who prioritize energy savings, as it only operates when hot water is needed, effectively reducing energy costs. Additionally, its water-saving setting can save up to 1,100 gallons of water per year, making it an eco-friendly choice.
Moreover, the hot-start programming feature ensures that you won’t experience cold-water bursts, providing a seamless experience during use. The built-in LeakGuard technology adds an extra layer of security, protecting your home from potential water damage.
Pick this if weight matters most and you value energy efficiency alongside reliable performance.
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Rinnai RE180iN Tankless Water Heater 180,000 BTU
In a market flooded with tankless water heaters, the Rinnai RE180iN Non-Condensing Natural Gas Tankless Water Heater stands out by offering a compact design and efficient heating capabilities. This model is ideal for those who need a reliable hot water solution without taking up much space.
Where It Excels
- 30% lighter than the Rheem RTGH-95DVLN, making it easier to install and handle.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a more customizable aesthetic for home installations.
The Rinnai RE180iN provides up to 8.5 GPM, ensuring you never run out of hot water, even during peak usage times. Its smart design not only conserves energy by heating water only when necessary but also features an LED screen for easy monitoring and maintenance reminders. While it’s lightweight and compact, making it suitable for various spaces, it does require professional installation, which could add to the overall cost.
Pick this if weight matters most, especially for those in need of a lighter, easier-to-install option. However, if aesthetics are a priority, you might want to explore alternatives like the EcoSmart ECO 27 for more color choices. Overall, the Rinnai RE180iN is a robust choice for anyone seeking efficient hot water delivery in a compact package.
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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 benefits of non-condensing tankless water heaters?
They are typically less expensive, easier to install, and can provide a higher flow rate compared to condensing models.
3: How do I choose the best non-condensing tankless water heater?
Consider factors like flow rate, energy efficiency, installation space, and your household’s hot water demand.
4: Are non-condensing tankless water heaters energy-efficient?
While they are less efficient than condensing models, non-condensing units still offer energy savings over traditional tank heaters.
5: What is the lifespan of a non-condensing tankless water heater?
These units typically last 10 to 15 years with proper maintenance and usage.
6: Can I install a non-condensing tankless water heater myself?
While some homeowners may attempt DIY installation, hiring a professional plumber is recommended for safety and compliance with local codes.
7: What maintenance do non-condensing tankless water heaters require?
Regular descaling and flushing are necessary to prevent mineral buildup and ensure optimal performance.
Conclusion
Rinnai RE140iP exemplifies exceptional efficiency and reliability, catering to diverse residential demands with its robust propane heating capabilities. This model stands out for its compact design and impressive output, ensuring a continuous supply of hot water while optimizing energy consumption.
Conversely, the Rheem High Efficiency Tankless Water Heater offers unparalleled performance with advanced technology, ensuring consistent temperature control and enhanced energy savings. Its innovative features make it a stellar choice for homeowners seeking a sustainable and cost-effective solution for their hot water needs.