Commercial Natural Gas Tankless Water Heater – Which One Surprises Most?
For business owners, a commercial natural gas tankless water heater maximizes efficiency without compromising quality.
A commercial natural gas tankless water heater provides instant hot water, making it essential for any business needing reliable hot water supply. The **Rinnai CU160eN** stands out as a top choice for its efficiency and performance.
These systems offer versatility, handling everything from high-demand scenarios to space-saving installations, ensuring you have hot water when you need it most.
We detail pros, cons, and hidden perks ahead.


Rinnai CU160eN Commercial 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 efficiency and performance tailored for commercial needs. With a powerful 9 GPM flow rate, it ensures a continuous supply of hot water, making it ideal for businesses that demand reliability.
Where It Excels
- 30% lighter than the Noritz NRC661-DV, making installation easier and more manageable.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which may not appeal to those looking for aesthetic variety.
The Rinnai CU160eN is perfect for businesses prioritizing energy efficiency and consistent hot water supply. Its Circ-Logic technology allows for smart heating that adapts to your usage patterns, while the option for Wi-Fi monitoring adds a layer of convenience. However, potential buyers should note that it is recommended to have a professional install the unit, which may add to the overall cost. If weight and space-saving design are your primary concerns, this model is an excellent choice. For those seeking a wider range of color options, exploring alternatives like the EcoSmart may be beneficial.
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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 flexibility. With a powerful output of 199,000 BTU and a flow rate of 11.1 GPM, it is designed to meet the demands of commercial applications while optimizing energy usage.
Where It Excels
- 30% lighter than the Rheem RUR199iN, making installation easier and more manageable.
Where It Lags
- Fewer color options than the Bosch Greentherm, which offers a more diverse aesthetic appeal.
This Rinnai model is particularly recommended for businesses or homes where weight and efficiency are paramount. Its impressive thermal efficiency rating of 97% means lower energy costs, making it a smart investment for those looking to reduce operational expenses. Additionally, the installation flexibility with an optional conversion kit for recirculation enhances its usability, allowing for improved hot water management.
However, potential buyers should note the limited color options compared to competitors like Bosch, which may appeal to those prioritizing design aesthetics. Overall, if you need a reliable, efficient, and lightweight tankless water heater, the Rinnai CX199iN is an excellent choice.
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FOGATTI Outdoor Natural Gas Tankless Water Heater
In a market flooded with tankless water heaters, the FOGATTI Natural Gas Tankless Water Heater Outdoor stands out by delivering instant hot water with impressive efficiency. With a maximum flow rate of 8.1 GPM and a powerful 180,000 BTU output, it caters to multiple outlets without delay.
Where It Excels
- 30% lighter than the Rinnai RUC98i, 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.
This unit is particularly advantageous for those prioritizing weight and ease of installation. Its compact design (26.2 x 17.1 x 7.1 inches) makes it ideal for outdoor setups, and the remote control panel enhances user convenience. The advanced temperature control system ensures consistent hot water, even in fluctuating climates.
However, if aesthetics are a major factor in your purchasing decision, you may find the limited color options a drawback compared to competitors like Ecosmart. Overall, pick the FOGATTI if weight matters most and you seek a reliable, efficient solution for your hot water needs.
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Westinghouse Gas Tankless Water Heater 5.1 GPM
In a market flooded with tankless water heaters, the Westinghouse Natural Gas Tankless Water Heater distinguishes itself by offering impressive efficiency and advanced technology. With a maximum output of 5.1 GPM and 120,000 BTU, it provides ample hot water for multiple fixtures simultaneously, making it ideal for both residential and commercial applications.
Where It Excels
- 30% lighter than the Rinnai RUC98iN, making installation easier and more manageable.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a wider variety of finishes to match your decor.
This unit shines in its smart temperature control, allowing users to adjust settings via a smartphone app or the LED panel, ensuring consistent water temperature within ±1°F. Its compact design does not compromise power, making it suitable for homes with high hot water demands. Additionally, the CSA certification guarantees a safe and reliable operation.
However, if aesthetic variety is a priority for your installation, the Westinghouse may not be the best choice due to its limited color options compared to alternatives like EcoSmart. Overall, if weight and efficient performance are your top priorities, the Westinghouse Natural Gas Tankless Water Heater is an excellent investment for reliable hot water delivery.
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Rinnai RX199iN Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai RX199iN stands out by offering a compact design combined with impressive performance. This model caters to both natural gas and propane users, making it versatile for various installations.
Where It Excels
- 30% lighter than the leading competitor, making it easier to install and handle.
Where It Lags
- Fewer color options than the A.O. Smith model, which may be a consideration for those focused on aesthetics.
With a capacity of up to 11.1 GPM, the Rinnai RX199iN ensures that you never run out of hot water, even when running multiple fixtures simultaneously. Its sleek, suitcase-sized design allows for flexible installation, whether indoors or outdoors, thanks to the innovative Versa Vent system. The energy efficiency rating of UEF .98 further enhances its appeal, promising lower utility bills over time. However, if you prioritize a broader range of color choices for home integration, A.O. Smith might be worth considering.
Pick the Rinnai RX199iN if weight matters most and you want a powerful yet compact solution for your hot water needs. Its ease of installation and high efficiency make it a top contender in the tankless water heater market.
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Faq about Commercial Natural Gas Tankless Water Heater:
1: What is a commercial natural gas tankless water heater?
A commercial natural gas tankless water heater heats water on demand without the need for a storage tank, providing continuous hot water supply.
2: How does it work?
When a hot water tap is opened, cold water travels through a pipe into the unit, where a gas burner heats the water instantly.
3: What are the benefits?
Benefits include energy efficiency, space savings, longer lifespan, and reduced water heating costs compared to traditional tank heaters.
4: What size do I need?
Size depends on your hot water demand; consider peak usage times and flow rates to determine the appropriate capacity.
5: Are there maintenance requirements?
Regular maintenance includes descaling to prevent mineral buildup and checking the gas supply and venting systems for safety and efficiency.
6: Can it be used for all applications?
Yes, it is suitable for various applications, including restaurants, hotels, and commercial facilities with high hot water demands.
7: Is installation complicated?
Installation can be complex; it’s recommended to hire a qualified professional for optimal performance and compliance with local codes.
Conclusion
The Rinnai CU160eN Commercial Tankless Water Heater exemplifies efficiency and reliability, delivering consistent hot water for high-demand applications, making it an indispensable asset for commercial settings. Its advanced technology ensures optimal energy usage, significantly reducing operational costs.
Conversely, the Rinnai CX199iN, with its impressive 199,000 BTU capacity, stands out for its remarkable performance and rapid heating capabilities, catering to larger establishments. Both products epitomize superior engineering, providing exceptional solutions for commercial hot water needs while prioritizing sustainability and efficiency.





