Experience endless hot water with an outdoor natural gas water heater, perfect for your home needs!
An outdoor natural gas water heater provides instant hot water, making it ideal for families and outdoor activities. Products like the Rheem RTG-70XLN-3 offer high efficiency with a remarkable 7.0 GPM flow rate, ensuring you never run out of hot water. The FOGATTI Natural Gas Tankless Water Heater stands out with its compact design and 120,000 BTU output, delivering reliable performance.
These heaters are versatile, suitable for various applications such as home use, outdoor showers, and even heating pools. Their energy-efficient design not only saves money but also reduces environmental impact, making them a smart choice for eco-conscious consumers.
In this review, we will delve into the features, benefits, and comparisons of top outdoor natural gas water heaters. You’ll learn why these products are the perfect solution for your hot water needs.


Natural Gas Tankless Water Heater 5.26GPM
Natural Gas Tankless Water Heater: 22.8” x 14.4” x 5.9”, stainless steel body, 2-year warranty.
Benefits
- Delivers 5.26 GPM for simultaneous use across multiple fixtures.
Drawbacks
- Requires natural gas connection; not suitable for electric setups.
This Natural Gas Tankless Water Heater is designed for efficiency and reliability, providing on-demand hot water without the bulk of traditional tanks. With a powerful output of 120,000 BTU per hour, it can service 3-4 fixtures simultaneously, making it a practical choice for larger households.
The stainless steel construction ensures durability and resistance to corrosion, while the oxygen-free copper water tank minimizes heat loss for prolonged service life. The LED smart digital display allows for easy temperature adjustments, ranging from 95°F to 149°F, ensuring precise control over your hot water needs.
Installation is straightforward, thanks to its compact design, making it ideal for outdoor setups. It operates effectively with low water pressure, providing flexibility in various conditions. However, it’s important to note that this unit requires a natural gas connection, which may not be available in all homes.
A practical pick for small spaces, this tankless water heater efficiently meets the demands of modern living while maintaining energy savings and consistent performance.
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Rheem Outdoor Tankless Gas Water Heater
Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater: 7.0 GPM, Gray, continuous hot water, space-saving design.
Benefits
- Provides enough hot water for your entire house, even when using multiple applications simultaneously.
- High efficiency means it only runs when needed, saving on energy costs.
- Water-saving setting can save up to 1,100 gallons of water per year.
- Hot-start programming keeps the system ready, avoiding cold-water bursts.
- Smaller size is 19% smaller and 22% lighter than the previous model, allowing for easy installation and saving space.
Drawbacks
- Noisy operation can be an issue for some users during peak usage.
- No built-in recirculation pump may require additional installation for instant hot water.
A practical pick for small spaces and households requiring efficient hot water solutions, the Rheem RTG-70XLN-3 is a reliable choice. Its energy-saving features and compact design make it an excellent investment for modern homes.
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FOGATTI Outdoor Natural Gas Tankless Heater
FOGATTI Natural Gas Tankless Water Heater Outdoor: 23.94” x 15.5” x 7.3”, high-efficiency copper heat exchanger, 2-year warranty.
Benefits
- Delivers 5.1 GPM of instant hot water, supporting multiple outlets simultaneously.
Drawbacks
- Requires outdoor installation and may not suit all home layouts.
The FOGATTI tankless water heater stands out for its compact design and impressive performance. With a maximum output of 120,000 BTU, it provides endless hot water, making it ideal for medium-sized families. Its eco-efficient design not only saves space but also reduces energy costs, offering excellent value for money.
Precision temperature control is a highlight, thanks to advanced water servo technology and temperature sensors that maintain a consistent temperature within ±1℉. The four-stage combustion system ensures reliable performance in varying weather conditions.
Installation is straightforward, especially outdoors, and the unit is compatible with low water pressures. The remote control panel adds convenience for indoor operation. Built with durable materials, this heater meets stringent safety standards, providing peace of mind with its reliable operation.
A practical pick for small spaces, the FOGATTI tankless water heater is perfect for those seeking efficiency and convenience in their hot water solutions.
To buy this product, click here.
Rinnai V53DeN Outdoor Natural Gas Water Heater
Rinnai V53DeN Natural Gas Tankless Water Heater: 5.3 GPM, compact design, 10-year warranty on heat exchanger.
Benefits
- Provides endless hot water for up to 4 appliances simultaneously.
Drawbacks
- Professional installation required for optimal performance.
The Rinnai V53DeN is an excellent choice for homeowners seeking a reliable and efficient hot water solution. With a flow rate of 5.3 GPM, this tankless water heater ensures that your family can enjoy uninterrupted hot water for multiple appliances without any cold showers. Its compact design makes it suitable for outdoor installation, fitting seamlessly into smaller spaces without compromising on performance.
Energy efficiency is a key feature of the Rinnai V53DeN. It heats water only when needed, helping to reduce utility bills while being environmentally friendly. The long-lasting performance is backed by a 10-year warranty on the heat exchanger, providing peace of mind regarding durability and reliability.
However, it is important to note that professional installation is recommended to ensure safe and effective operation. This may be a consideration for those looking for a DIY solution.
Overall, the Rinnai V53DeN is a practical pick for small spaces and families looking for an efficient, space-saving hot water solution.
To buy this product, click here.
Rinnai Outdoor Natural Gas Tankless Water Heater
Natural Gas Tankless Water Heater: Compact design, 14.2″L x 7.1″W x 21.7″H, 130,000 BTU, up to 5.3 GPM, CSA certified, 2-year warranty.
Benefits
- Endless hot water without waiting for preheating.
- 8 safety features ensure reliable operation.
- Remote control allows precise temperature adjustment from indoors.
- Compact size saves space, ideal for outdoor installation.
- Multi-point supply serves 3-4 outlets simultaneously.
Drawbacks
- Requires professional installation for optimal performance.
- No built-in storage for hot water, must rely on flow rate.
A practical pick for small spaces and families needing consistent hot water. This outdoor tankless water heater efficiently delivers hot water on demand, making it a smart investment for those looking to maximize space while ensuring comfort. Its advanced safety features provide peace of mind, and the remote control adds convenience, allowing users to adjust settings without hassle. Perfect for outdoor use, it withstands various weather conditions, ensuring reliable performance year-round. However, users should be aware of the need for professional installation to ensure safety and efficiency. Overall, this water heater is an excellent choice for anyone seeking a reliable, energy-efficient solution for their hot water needs.
To buy this product, click here.
Faq about Outdoor Natural Gas Water Heater:
1:What is an outdoor natural gas water heater?
An outdoor natural gas water heater is a heating unit installed outside a home that uses natural gas to heat water for domestic use.
2:What are the benefits of using an outdoor natural gas water heater?
Benefits include energy efficiency, continuous hot water supply, and reduced indoor space usage.
3:How do I install an outdoor natural gas water heater?
Installation requires proper ventilation, a gas supply line, and adherence to local codes. Professional installation is recommended.
4:What maintenance is needed for an outdoor natural gas water heater?
Regular maintenance includes checking for leaks, flushing the tank, and inspecting the gas line and connections annually.
5:How long does an outdoor natural gas water heater last?
Typically, these units last between 10 to 15 years, depending on usage and maintenance.
6:Are outdoor natural gas water heaters energy efficient?
Yes, they are generally more energy efficient than electric models, providing lower utility bills and faster heating.
7:Can I use an outdoor natural gas water heater in cold climates?
Yes, but ensure it is properly insulated and installed to prevent freezing in extreme temperatures.
Conclusion
Both the Natural Gas Tankless Water Heater 5.26GPM and the Rheem Outdoor Tankless Gas Water Heater exemplify cutting-edge efficiency in water heating technology. The former, with its impressive flow rate, ensures a continuous supply of hot water, making it ideal for larger households. Meanwhile, Rheem’s model stands out for its durability and advanced features, providing reliable performance even in challenging outdoor conditions.
These products not only optimize energy consumption but also enhance user convenience, representing a significant advancement in sustainable home solutions. Their innovative designs cater to diverse needs, offering both practicality and sophistication, thus making them exemplary choices for discerning consumers seeking to elevate their outdoor water heating experience.





