Looking for an efficient way to enjoy hot water? The outdoor gas tankless water heater provides instant, endless hot water on demand.
An outdoor gas tankless water heater is a perfect solution for households needing constant hot water. The Natural Gas Tankless Water Heater offers 5.26 GPM, ensuring you never run out of hot water, while features like a Fahrenheit digital display enhance usability. The Rheem RTG-70XLN-3 provides high efficiency with 7.0 GPM, making it ideal for larger families.
These heaters are versatile, suitable for outdoor installations, and designed for various applications, from home use to outdoor showers. Their multi-protection systems ensure safety, while LED temperature control panels provide precise adjustments.
In this review, we will explore the top models, their features, and benefits, helping you choose the perfect outdoor gas tankless water heater for your needs. You’ll learn about efficiency ratings, installation tips, and user experiences to make an informed decision.
Rinnai Natural Gas Tankless Water Heater
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 multiple fixtures simultaneously.
Drawbacks
- No indoor installation option available.
This natural gas tankless water heater is designed for outdoor use, making it a robust choice for homeowners looking for reliable hot water. With a powerful output of 120,000 BTU per hour, it efficiently provides hot water for up to three or four fixtures at the same time. The advanced combustion technology not only reduces gas consumption but also minimizes operational noise, ensuring a quieter experience.
The LED smart digital display is user-friendly, allowing for easy temperature adjustments between 95°F and 149°F. This precise control is ideal for households that require consistent hot water. Additionally, the heater’s compact design makes it suitable for various outdoor settings, while the included remote control panel simplifies operation from indoors.
However, it’s important to note that this unit is not suitable for indoor installation, which may limit its appeal for some users. Overall, this natural gas tankless water heater is a practical pick for small spaces needing efficient hot water solutions.
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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, 2-year warranty.
Benefits
- Provides continuous hot water for multiple applications simultaneously.
- Saves on energy costs by only operating when needed.
- Water-saving setting saves up to 1,100 gallons of water per year.
- Hot-start programming prevents cold-water bursts.
- Compact size is 19% smaller and 22% lighter than previous models, allowing for easy installation.
Drawbacks
- Noisy operation may disturb quiet environments.
- Requires professional installation, which can add to overall costs.
A practical pick for small spaces and those seeking efficient, continuous hot water. Ideal for households with high hot water demands, this tankless water heater combines efficiency with convenience. Its compact design makes it suitable for limited installation areas. However, potential buyers should consider the installation requirements and noise levels before making a decision.
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Ranein 2025 GEN II Tankless Water Heater
2025 GEN II Ranein Natural Gas Tankless Water Heater: 5.3 GPM, 130,000 BTU, outdoor installation, LED temperature control panel, 2-year warranty.
Benefits
- Max 5.3 GPM capacity supports multiple taps simultaneously, ideal for outdoor kitchens and showers.
Drawbacks
- Not recommended for elevations above 2,000 feet, which may limit some users.
This outdoor tankless water heater delivers consistent hot water with advanced technology that maintains stable temperatures. It automatically adjusts flow and heat, ensuring comfort during showers or daily tasks, even when multiple faucets are in use. The powerful bottom-mounted blower enhances safety by preventing smoke backflow and adapting to outdoor wind conditions, allowing for efficient gas combustion.
Energy efficiency is a highlight, with its internal copper tank minimizing heat loss and eliminating standby waste seen in traditional tank models. This feature not only reduces utility bills but also promotes eco-friendly usage. Its compact design allows for wall mounting, making it suitable for small outdoor spaces, balconies, or tight corners.
While the heater is an excellent choice for most outdoor needs, users should be aware that it is not recommended for high-elevation installations. Overall, the 2025 GEN II Ranein is a practical pick for small spaces seeking reliable and efficient hot water solutions.
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FOGATTI Outdoor Natural Gas Tankless Water Heater
FOGATTI Natural Gas Tankless Water Heater Outdoor – Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater – Instagas Comfort 180S Series: 26.2” x 17.1” x 7.1”, oxygen-free copper heat exchanger, 2-year warranty.
Benefits
- Delivers continuous hot water at a flow rate of up to 8.1 GPM.
- Compact design makes installation hassle-free in tight spaces.
- Precision temperature control maintains a consistent temperature within ±1℉.
- Built for outdoor durability with safety features to prevent smoke backflow.
Drawbacks
- No dishwasher-safe parts; requires manual cleaning.
- Installation may require professional help for those unfamiliar with gas appliances.
This water heater is a practical pick for small spaces, offering reliable performance for households with multiple outlets needing hot water. It’s ideal for those looking to upgrade their water heating system without the bulk of traditional tanks. The advanced technology ensures efficiency and safety, making it a solid investment for instant hot water needs.
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ORBEK Natural Gas Tankless Water Heater
Product: Natural Gas Tankless Water Heater – ORBEK 120,000 BTU, Up to 5.1 GPM, Outdoor Installation, CSA Certified, 3/4″ NPT Connector Size.
Benefits
- Endless hot water: Provides up to 5.1 GPM, suitable for 2-4 fixtures simultaneously.
- Durable design: Withstands force 9 winds and features IPX4 waterproof protection.
- Energy efficient: High-quality oxygen-free copper heat exchanger for superior heat transfer.
- Stable temperature control: Maintains a consistent temperature within 1°F.
- Remote control: Easily adjust temperatures from 95°F to 149°F with a remote controller.
- Low water pressure start: Operates efficiently at water pressures from 15 to 150 PSI.
- Compact dimensions: Space-saving design at 15.5″L x 7.3″W x 24.0″H.
Drawbacks
- Professional installation recommended: Requires expert setup for optimal performance.
- Not suitable for indoor use: Specifically designed for outdoor installation.
The ORBEK Natural Gas Tankless Water Heater is a practical pick for those needing reliable hot water in small spaces. Its robust features and safety certifications make it an excellent choice for outdoor use, ensuring comfort and efficiency for your household needs.
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Faq about outdoor gas tankless water heater:
1: What is an outdoor gas tankless water heater?
An outdoor gas tankless water heater heats water on demand using gas, eliminating the need for a storage tank.
2: How does an outdoor gas tankless water heater work?
It heats water directly as it flows through the unit, providing a continuous supply without waiting for a tank to refill.
3: What are the benefits of using an outdoor gas tankless water heater?
Benefits include energy efficiency, space-saving design, and the ability to provide hot water instantly.
4: Is installation difficult for an outdoor gas tankless water heater?
Installation can be complex and typically requires a professional plumber or technician for proper setup and safety.
5: How much energy can I save with an outdoor gas tankless water heater?
Users can save up to 30% on energy bills compared to traditional tank water heaters due to on-demand heating.
6: What maintenance is required for an outdoor gas tankless water heater?
Regular maintenance includes descaling the unit annually and checking for gas leaks and proper ventilation.
7: Can I use an outdoor gas tankless water heater in cold climates?
Yes, but it is essential to ensure proper insulation and protection from freezing temperatures to maintain efficiency.
Conclusion
Rinnai’s Natural Gas Tankless Water Heater exemplifies unparalleled efficiency and reliability, catering to the demands of contemporary households with its advanced technology and compact design. This model ensures a continuous supply of hot water while optimizing energy consumption, making it a premier choice for eco-conscious consumers.
Conversely, the Rheem Outdoor Tankless Gas Water Heater stands out for its robust performance and user-friendly features, offering exceptional durability and ease of installation. Its innovative design accommodates varying household needs, solidifying its position as a formidable contender in the market for those seeking convenience and efficiency.