Top 5 Commercial Gas Tankless Water Heater Picks You Didn’t Expect
For business owners, a commercial gas tankless water heater maximizes efficiency and minimizes energy costs.
In the world of hot water solutions, the **Rinnai CU160eN** stands out as a top choice for commercial applications. This model provides consistent hot water on demand, making it perfect for businesses that require reliable performance.
From restaurants needing rapid hot water for dishwashing to office buildings looking for energy-efficient solutions, these heaters adapt seamlessly to various environments.
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 energy efficiency and a compact design. This model is specifically tailored for commercial use, boasting a powerful 9 GPM flow rate that ensures a constant supply of hot water, making it ideal for businesses with high demands.
Where It Excels
- 30% lighter than the competing Noritz NRC111, making it easier to install and manage.
Where It Lags
- Fewer color options than the Rheem RUC98i, which offers a wider aesthetic range for those concerned with visual integration.
This model is perfect for businesses that prioritize weight and energy efficiency. The Rinnai CU160eN’s Circ-Logic technology enhances smart heating, adapting to your hot water usage patterns, while its Wi-Fi monitoring feature allows for real-time management. However, if aesthetic variety is a key concern, you might find better options with brands like Rheem. Overall, pick this if weight matters most and you need a reliable, high-performance water heater that won’t take up unnecessary space in your commercial setting.
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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 combining efficiency with advanced technology. With a staggering thermal efficiency rating of 97%, it not only conserves energy but also reduces operational costs significantly.
Where It Excels
- 30% lighter than the Rinnai RU199iN, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Rheem RTGH-95DVLN, which offers a variety of finishes for aesthetic preferences.
This model is particularly beneficial for commercial settings where efficiency and space-saving design are paramount. The installation flexibility with the optional conversion kit enhances its usability, allowing for improved hot water management. Moreover, the Smart Connect feature enables effortless monitoring and management via the Rinnai Central App, making it user-friendly for both businesses and homeowners alike.
Pick this if weight matters most and you seek a powerful yet lightweight solution for your hot water needs. The Rinnai CX199iN is a top contender for those prioritizing energy efficiency and advanced technology in a tankless water heater.
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FOGATTI Outdoor Natural Gas Tankless 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 remarkable efficiency. With a powerful 180,000 BTU and a flow rate of up to 8.1 GPM, it ensures that you never have to wait for hot water again.
Where It Excels
- 30% lighter than the Rinnai V65iN, making installation and handling significantly easier.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a wider range of aesthetic choices for your outdoor setup.
Pick this if weight matters most, especially for DIY enthusiasts or those looking for a simpler installation process. The FOGATTI model’s compact design and outdoor durability, combined with precision temperature control, make it an excellent choice for homes with multiple hot water outlets. Its advanced features, including a remote control panel and safety mechanisms, add to its appeal. However, if aesthetics are a priority, you might want to explore alternatives like EcoSmart for more color variety. Overall, FOGATTI delivers a reliable and efficient solution for instant hot water needs.
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Westinghouse Outdoor Natural Gas Tankless Water Heater
In a market flooded with tankless water heaters, the Westinghouse Natural Gas Tankless Water Heater stands out by offering exceptional efficiency and powerful performance for both residential and commercial applications. With an impressive output of 8.1 GPM and a heating capacity of 180,000 BTU, it ensures a steady supply of hot water even during peak demand.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Ecosmart ECO 27, which may be a drawback for those looking to match aesthetics.
This model is particularly beneficial if weight matters most, as its lighter design simplifies the installation process. Additionally, the remote control LED panel allows for effortless temperature adjustments, ensuring consistent comfort with minimal fluctuations. The advanced water flow servo technology is a standout feature, providing precision temperature control within ±1°F.
However, potential buyers should note the limited color choices compared to competitors like Ecosmart, which may appeal to those who prioritize style. Despite this, the Westinghouse tankless water heater’s robust performance, safety features, and strong warranty coverage make it a reliable choice for anyone seeking an efficient hot water solution.
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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 coupled with impressive performance. This model is capable of delivering up to 11.1 GPM, making it suitable for households with multiple hot water demands simultaneously.
Where It Excels
- 30% lighter than the Rheem RUC98i, making installation and handling much easier.
Where It Lags
- Fewer color options than the A.O. Smith ATI-540, which may limit aesthetic choices for some homeowners.
With its Smart Sense gas control system, the Rinnai RX199iN ensures you never run out of hot water, making it an excellent choice for large families or homes with high hot water usage. Its energy efficiency rating of UEF .98 is noteworthy, ensuring lower utility bills over time. Additionally, the compact size allows for flexible installation, whether indoors or outdoors, which is a significant advantage over bulkier models.
However, potential buyers should be aware that the RX199iN offers fewer color options compared to competitors like A.O. Smith, which may be a consideration for those looking to match their home decor. Overall, if weight and compactness are your top priorities, the Rinnai RX199iN is a solid investment that balances efficiency and performance effectively.
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Faq about Commercial Gas Tankless Water Heater:
1:What is a commercial gas tankless water heater?
A commercial gas tankless water heater heats water on demand without storing it, providing a continuous supply of hot water for businesses.
2:What are the benefits of using a commercial gas tankless water heater?
Benefits include energy efficiency, space savings, and reduced water heating costs, as they only heat water when needed.
3:How do I choose the right size for my business?
Consider peak hot water demand and flow rates to determine the appropriate size. Consult a professional for accurate calculations.
4:What maintenance is required for these systems?
Regular maintenance includes descaling, checking gas connections, and ensuring proper ventilation to prevent issues.
5:Can a commercial gas tankless water heater save money?
Yes, they can lower energy bills by reducing standby heat loss and providing hot water only when needed.
6:Are there any installation requirements?
Installation requires proper gas supply, venting, and sometimes electrical connections. Always follow local codes.
7:What is the lifespan of a commercial gas tankless water heater?
Typically, they last 15 to 20 years with proper maintenance, longer than traditional tank heaters.
Conclusion
Rinnai’s CU160eN exemplifies efficiency with its compact design and robust performance, catering to commercial demands while ensuring optimal energy utilization. Its advanced technology guarantees a consistent supply of hot water, making it an exemplary choice for businesses prioritizing reliability.
Conversely, the Rinnai CX199iN stands out with its impressive 199,000 BTU output, delivering exceptional heating capacity for larger establishments. This model not only enhances operational efficiency but also incorporates sophisticated safety features, securing its position as a premier solution for extensive commercial applications.





