Commercial tankless water heater that will change your hot water game
For business owners, a commercial tankless water heater saves energy without sacrificing performance.
The Rinnai CX199iN is perfect for high-demand settings, providing efficient hot water on demand. This unit boasts a powerful 199,000 BTU output and delivers an impressive 11.1 GPM, ensuring your operations run smoothly.
From restaurants to hotels, these heaters adapt to various needs, offering flexibility for both indoor and outdoor installations. The Rinnai RX199iN and CU160eN models further enhance your options, catering to different requirements.
We detail pros, cons, and hidden perks ahead.


Rinnai CX199iN Tankless Water Heater 199,000 BTU
In a market flooded with tankless water heaters, the Rinnai CX199iN Condensing Smart Sense Commercial Natural Gas or Propane Tankless Water Heater stands out by offering exceptional efficiency and installation flexibility. With a remarkable thermal efficiency rating of 97%, it not only provides a reliable hot water supply but also helps in significantly reducing energy costs.
Where It Excels
- 30% lighter than the Rinnai RL94iN, making it easier to handle during installation.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which may appeal to those looking for aesthetic variety.
Pick this model if weight matters most, as its lighter design facilitates easier installation and handling. Additionally, the Smart Connect feature allows for effortless monitoring and management via a smartphone app, setting it apart from many competitors. While it may not offer the same color variety as other brands, its performance and efficiency are hard to beat. For commercial applications requiring reliable hot water solutions, the Rinnai CX199iN is a top choice that balances efficiency with user-friendly features.
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Rinnai RX199iN Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai RX199iN stands out by offering exceptional efficiency and versatility. This compact unit can be installed both indoors and outdoors, powered by either natural gas or propane, making it a flexible choice for various home setups.
Where It Excels
- 30% lighter than the leading competitor, making installation easier and more convenient.
Where It Lags
- Fewer color options than some alternatives like the Eccotemp L5, which may appeal to those looking for aesthetic variety.
Rinnai’s RX199iN ensures you never run out of hot water, delivering up to 11.1 GPM, which is sufficient for multiple fixtures simultaneously. Its energy efficiency is impressive, boasting a UEF of .98, which can lead to significant savings on energy bills over time. The modern design includes a user-friendly interface and a Quick Flush feature for easy maintenance. However, it is essential to note that professional installation is recommended, adding to the overall cost.
Choose the Rinnai RX199iN if weight and efficiency are your top priorities. While it may not have the color variety of some competitors, its performance and compact design make it an excellent choice for those seeking a reliable and efficient tankless water heater.
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Rinnai CU160eN Outdoor Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai CU160eN Commercial Natural Gas Condensing Tankless Water Heater stands out by offering exceptional energy efficiency and reliable performance. With its outdoor installation capability and a robust 9 GPM flow rate, it is designed to meet the demands of commercial settings.
Where It Excels
- 30% lighter than the leading competitor, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than Brand B, which may not appeal to businesses seeking a specific aesthetic.
This model is particularly recommended for businesses that prioritize weight and energy efficiency. The Rinnai CU160eN’s Circ-Logic technology enhances heating reliability, ensuring hot water is available precisely when needed. Additionally, the flexibility in venting options allows for versatile installation, a significant advantage over many alternatives in the market.
However, if a variety of color choices is essential for your business’s branding, you might find Brand B more suitable. Overall, the Rinnai CU160eN is an excellent pick if weight and energy conservation are your main concerns, providing a powerful, space-saving solution for commercial hot water needs.
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AO Smith Tankless Water Heater
In a market flooded with tankless water heaters, the AO Smith ATI-540H-N Condensing Residential/Light Commercial Tankless Heater stands out by offering an impressive 10 GPM flow rate and energy efficiency. This makes it a robust choice for those who need a reliable hot water supply without the bulk of traditional tanks.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Navien NPE-240A, which may not fit every aesthetic preference.
This model features electric ignition, eliminating the hassle of pilot lights and ensuring consistent performance. Its Energy Star certification and a Uniform Energy Factor of 0.95 indicate that it’s designed to save on energy bills while providing hot water on demand. The tankless design allows for wall-mount installation, maximizing space in your home or commercial setting.
Pick this if weight matters most, as its lighter build simplifies installation. However, if aesthetic variety is a priority, you might want to explore options like the Navien NPE-240A. Overall, the AO Smith ATI-540H-N is a solid investment for those prioritizing efficiency and performance in their hot water needs.
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Westinghouse Outdoor Natural Gas Tankless Heater
In a market flooded with tankless water heaters, the Westinghouse Natural Gas Tankless Water Heater stands out by offering on-demand efficiency with a powerful 120,000 BTU output. This model is designed for both residential and commercial use, ensuring a steady supply of hot water for multiple fixtures simultaneously.
Where It Excels
- 30% lighter than the Rinnai RL94iN, making installation easier and reducing strain during setup.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which provides more aesthetic choices for those concerned with visual integration.
With its compact design and advanced temperature control, the Westinghouse model is perfect for homeowners and businesses looking for reliable performance without the bulk. The remote control LED panel adds convenience, allowing users to monitor and adjust settings effortlessly. Moreover, the precise water flow servo ensures consistent temperatures, eliminating the discomfort of sudden fluctuations.
However, while it excels in efficiency and ease of installation, those seeking a broader range of aesthetic options might find the Westinghouse lacking compared to competitors. Additionally, it’s essential to consider that this unit is designed for outdoor installation only, which may not suit every property.
Pick this if weight matters most and you need a high-capacity solution that prioritizes efficiency and safety.
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Faq about Commercial Tankless Water Heater:
1:What is a commercial tankless water heater?
A commercial tankless water heater provides hot water on demand without the need for a storage tank, making it efficient and space-saving.
2:What are the benefits of using a commercial tankless water heater?
Benefits include energy efficiency, continuous hot water supply, reduced energy costs, and a longer lifespan compared to traditional water heaters.
3:How does a commercial tankless water heater work?
It heats water directly as it flows through the unit using gas or electricity, eliminating standby heat loss associated with tank systems.
4:What size commercial tankless water heater do I need?
The size depends on the peak hot water demand of your business. Consult a professional to determine the appropriate capacity.
5:Are commercial tankless water heaters energy efficient?
Yes, they are highly energy efficient, often achieving energy factor ratings above 0.90, which can lead to significant cost savings.
6:Can I install a commercial tankless water heater myself?
Installation is complex and typically requires a licensed professional to ensure safety and compliance with local codes.
7:What maintenance is required for commercial tankless water heaters?
Regular maintenance includes descaling to prevent mineral buildup and checking filters and vents for optimal performance.
Conclusion
The Rinnai CX199iN Tankless Water Heater exemplifies exceptional efficiency and performance, boasting an impressive 199,000 BTU output, making it a premier choice for those seeking rapid hot water delivery. Its advanced technology ensures optimal energy conservation while delivering consistent warmth, catering effortlessly to the needs of larger households.
Conversely, the Rinnai RX199iN model also stands out with its remarkable heating capacity and reliability, offering a commendable balance between performance and cost-effectiveness. Both models epitomize innovation in water heating solutions, setting a benchmark for durability and convenience, thus enhancing the overall user experience.





