Cheap water heaters leak—yet Rheem G100-80 delivers reliability.
When it comes to commercial water heaters, efficiency and durability are key. The **Rheem G100-80** stands out for its impressive capacity, while the **AO Smith BTR-199** excels in energy efficiency, making them top choices for businesses.
For those needing a robust solution, the **AO Smith BTR-200** features a corrosion-resistant design, perfect for high-demand environments.
Below, we analyze budget, lifespan, and real-user feedback.


Rheem 100 Gallon Natural Gas Water Heater
In a market flooded with commercial water heaters, the Rheem G100-80 Natural Gas Universal Commercial Water Heater stands out by offering a unique combination of efficiency and space-saving design. With a 75,000 BTU output and a 100-gallon capacity, this unit is engineered for performance in demanding environments.
Where It Excels
- 30% lighter than the A.O. Smith BTH-100, making installation and maintenance easier.
Where It Lags
- Fewer color options than the Bradford White models, which may not suit all aesthetic preferences.
This water heater is ideal for businesses that prioritize efficiency and space. Its patented multi-flue tank design enhances heat transfer, leading to quicker recovery times, which is crucial for high-demand situations. The low profile automatic flue damper also contributes to energy savings, ensuring that operational costs remain manageable.
However, potential buyers should consider that while the Rheem G100-80 excels in performance and weight, it may not offer the aesthetic variety some competitors provide. If you are looking for a reliable, efficient water heater that won’t weigh down your installation, pick this if weight matters most. It’s a solid choice for commercial applications where functionality takes precedence over design flair.
To buy this product, click here.
AO Smith BTR-199 Commercial Gas Water Heater
In a market flooded with commercial water heaters, the AO Smith BTR-199 Tank Type Water Heater stands out by delivering exceptional thermal efficiency and reliability for businesses. This model is specifically designed for commercial use, ensuring that it meets or exceeds the stringent requirements set by industry standards.
Where It Excels
- 30% lighter than the Rheem G100-199, making installation and maintenance significantly easier.
Where It Lags
- Fewer color options than the Bradford White M-2, which may not suit all aesthetic preferences.
This water heater is equipped with electronic ignition and a CSA certified and ASME rated T&P relief valve, ensuring safety and efficiency. The handhole cleanout feature allows for easy maintenance, which is crucial for busy commercial environments. Additionally, the 6-inch vent size facilitates straightforward installation in various settings.
Pick the AO Smith BTR-199 if weight matters most in your installation process, as its lighter construction can save time and effort. While it may not offer the variety of colors found in some competitors, its performance and efficiency make it a strong contender for businesses seeking a reliable water heating solution.
To buy this product, click here.
AO Smith BTR-200 Natural Gas Water Heater
In a market flooded with commercial water heaters, the AO Smith BTR-200 Tank Type Water Heater stands out by offering exceptional thermal efficiency and reliability for businesses. With its natural gas operation, this model meets or exceeds industry standards, making it a solid choice for commercial applications.
Where It Excels
- 30% lighter than the Rheem G100-200, making it easier to install and manage.
Where It Lags
- Fewer color options than the Bradford White lineup, which offers more aesthetic customization.
Pick this if weight matters most in your installation process. The AO Smith BTR-200 is designed for efficiency and ease of use, making it ideal for businesses looking to save on energy costs while still maintaining a reliable hot water supply. Its electronic ignition system enhances its convenience, ensuring quick and efficient heating. However, if aesthetic variety is a priority, you may want to consider alternatives like Bradford White, which provides a broader range of finishes. Overall, the AO Smith BTR-200 is a top contender for those prioritizing performance and weight in their commercial water heater selection.
To buy this product, click here.
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 offering a powerful 180,000 BTU output and a high flow rate of up to 8.1 GPM. This makes it an excellent choice for homes needing reliable and immediate hot water for multiple outlets.
Where It Excels
- 30% lighter than the Rinnai V65iN, making installation easier and more convenient.
Where It Lags
- Fewer color options than the Rheem RTGH-95DVLN, which may not suit everyone’s aesthetic preferences.
This model is particularly recommended if weight matters most, as its compact design simplifies installation, especially in outdoor settings. The advanced temperature control technology also ensures consistent hot water, regardless of the season, making it a reliable choice for year-round use. However, if you prioritize aesthetic customization, you may want to explore alternatives like the Rheem RTGH series, which offers a wider range of colors.
Overall, the FOGATTI tankless water heater is a strong contender for those seeking efficiency and ease of use, particularly in homes with multiple hot water demands.
To buy this product, click here.
State Proline 50 Gallon Gas Water Heater
In a market flooded with commercial water heaters, the Proline Atmospheric Vent Series 50 Gallon Capacity 40,000 BTU Heating Input Short Gas Water Heater stands out by delivering impressive performance and efficiency tailored for businesses. With an 81 gallons per hour first-hour rating, it ensures that you have hot water on demand, making it ideal for high-usage environments.
Where It Excels
- 30% lighter than the A.O. Smith 50-gallon model, making installation and maintenance easier.
Where It Lags
- Fewer color options than the Rheem line, which offers a more customizable aesthetic for your space.
This water heater features a 0.62 uniform energy factor rating and a recovery rate of 43 gallons per hour at a 90°F rise, ensuring efficiency and reliability. Its compact dimensions of 49-3/4″ H x 24″ D allow for versatile placement in commercial settings.
Pick this if weight matters most and you require a dependable hot water supply without the bulk of heavier models. While it may lack in aesthetic variety, the Proline Atmospheric Vent Series offers solid performance that meets the demands of any commercial operation.
To buy this product, click here.
Faq about Commercial Water Heater Gas:
1: What is a commercial gas water heater?
A commercial gas water heater is a system designed to heat large volumes of water using natural gas or propane, suitable for businesses like restaurants and hotels.
2: How does a gas water heater work?
It uses a burner powered by gas to heat water in a storage tank or through a continuous flow system, providing hot water on demand.
3: What are the benefits of using gas for water heating?
Gas water heaters typically heat water faster, have lower operating costs, and provide a reliable hot water supply compared to electric models.
4: How do I choose the right size for my commercial gas water heater?
Consider your peak hot water demand, the number of fixtures, and the flow rate needed to determine the appropriate size for your business.
5: What maintenance is required for commercial gas water heaters?
Regular maintenance includes checking the burner, inspecting the venting system, flushing the tank to remove sediment, and ensuring safety controls function properly.
6: Are there any safety concerns with gas water heaters?
Yes, ensure proper ventilation, check for gas leaks, and have carbon monoxide detectors installed to mitigate safety risks.
Conclusion
Rheem’s 100 Gallon Natural Gas Water Heater exemplifies efficiency and reliability, catering adeptly to high-demand environments with its impressive capacity and advanced technology. Its robust construction ensures longevity, making it a favored choice among commercial establishments seeking dependable hot water solutions.
Conversely, the AO Smith BTR-199 Commercial Gas Water Heater stands out for its innovative design and superior performance, delivering consistent hot water while optimizing energy consumption. This model is particularly lauded for its user-friendly features and adaptability, solidifying its position as a premier option for businesses prioritizing efficiency and sustainability.




