When it comes to outdoor hot water solutions, the Rinnai RX199iN stands out for its impressive 11.1 GPM flow rate and energy efficiency. This versatile heater is perfect for both natural gas and propane, ensuring reliable performance in any outdoor setting.
Other great options include the Ranein, which offers a compact design with a 5.3 GPM capacity, and the FOGATTI, featuring an 8.1 GPM output. Each model provides unique benefits, catering to various hot water needs.
In this review, we’ll dive deeper into each product’s features and benefits, helping you choose the ideal outdoor gas water heater for your home.



Rinnai RX199iN Tankless Water Heater
The Rinnai RX199iN Condensing Smart Sense Tankless Water Heater is designed to provide endless hot water, making it ideal for homeowners who require a reliable water heating solution. This compact unit, measuring just the size of a small suitcase, is perfect for both indoor and outdoor installations, catering to diverse user needs. With a capacity of up to 11.1 gallons per minute (GPM) and a powerful output of 199,000 BTUs, it effortlessly supports multiple fixtures simultaneously.
This tankless water heater addresses the common problem of running out of hot water, ensuring a steady supply for showers, dishwashing, and laundry. Its modern design features an easy-to-use interface and a Quick Flush feature for convenient maintenance, alongside an impressive energy efficiency factor with a UEF of .98.
Pros
- Endless hot water supply suitable for multiple fixtures.
- Compact size allows for flexible installation options.
- High energy efficiency reduces utility bills.
- Smart Sense technology enhances performance and convenience.
Cons
- Professional installation is recommended, adding to initial costs.
- WiFi control module sold separately.
Overall, the Rinnai RX199iN is best suited for families or individuals who prioritize efficiency and convenience in their hot water supply. While it may require a professional for installation, its performance and energy-saving features make it a worthwhile investment for any household.
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Ranein Tankless Outdoor Water Heater 5.3 GPM
The Ranein Natural Gas Tankless Water Heater is designed to provide instant hot water for outdoor use, making it ideal for families with multiple outlets. Its compact dimensions of 23.2″L x 14.2″W x 5.9″H and robust construction ensure it fits seamlessly into any outdoor space while delivering a powerful 130,000 BTU output, capable of heating water at a rate of up to 5.3 GPM.
This tankless water heater solves the common problem of waiting for hot water, as it eliminates the need for preheating, allowing for unlimited hot water on demand. The advanced blower system enhances safety by preventing smoke backflow and adjusting to external conditions for optimal combustion.
Pros
- Provides unlimited hot water instantly, enhancing user experience.
- Compact design saves space and is easy to install.
- High heating capacity suitable for 3-5 outlets, perfect for families.
- Features anti-freeze protection, ensuring durability in cold weather.
- Low noise operation contributes to a peaceful environment.
Cons
- Not recommended for areas above 2,000 feet in elevation.
- Requires regular maintenance to prevent freezing in colder climates.
The Ranein Natural Gas Tankless Water Heater stands out for its efficiency and user-friendly design, making it a top choice for outdoor installations. It is best suited for families needing reliable hot water supply without the hassle of traditional heaters. While it has some limitations regarding elevation and maintenance, its benefits far outweigh the drawbacks, making it a valuable addition to any home.
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FOGATTI Outdoor Natural Gas Water Heater
FOGATTI Natural Gas Tankless Water Heater is designed to provide instant hot water for outdoor installations, ideal for homeowners seeking efficiency and reliability. With dimensions of 26.2 x 17.1 x 7.1 inches and a sleek gray finish, this unit fits seamlessly into outdoor spaces. It boasts a powerful 180,000 BTU output and a flow rate of up to 8.1 GPM, ensuring uninterrupted hot water for multiple outlets like showers and sinks.
This tankless water heater solves the common problem of preheating delays, offering hot water on demand. Its advanced temperature control technology maintains a consistent temperature within ±1℉, making it suitable for various climates. The bottom-mounted fan enhances safety by preventing smoke backflow, ensuring durability and longevity.
Pros
- Instant hot water without preheating delays.
- Durable design for outdoor use with reliable safety features.
- Precision temperature control ensures consistent comfort.
- Quick and easy installation compatible with low water pressure.
- Excellent customer support and warranty coverage.
Cons
- Requires a natural gas connection, limiting installation options.
- Initial cost may be higher compared to traditional water heaters.
The FOGATTI Natural Gas Tankless Water Heater is perfect for families needing reliable hot water, especially in outdoor settings. Its compact design and advanced features make it a standout choice for those looking to upgrade their water heating system. While it may have a higher upfront cost, the long-term benefits and efficiency justify the investment.
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Rinnai V53DeN Outdoor Natural Gas Water Heater
The Rinnai V53DeN Natural Gas Tankless Water Heater is designed to provide unlimited hot water, making it ideal for families or households with multiple appliances. With a flow rate of 5.3 GPM, this unit efficiently serves up to four appliances simultaneously, ensuring that cold showers are a thing of the past. Its compact design, available in a sleek outdoor model, measures just 25 x 18 x 10 inches, making it perfect for modern homes with limited space.
This tankless water heater addresses the common problem of running out of hot water, enhancing the user experience by offering hot water on demand. The energy-efficient design heats water only when needed, significantly reducing utility bills while being environmentally friendly.
Pros
- Unlimited hot water supply for busy households.
- Energy-efficient operation lowers monthly bills.
- Durable construction with a 10-year warranty on the heat exchanger.
- Compact design allows for installation in tight spaces.
- User-friendly installation process with professional guidance available.
Cons
- Professional installation recommended, which may incur additional costs.
- Outdoor installation may limit placement options.
The Rinnai V53DeN stands out for its reliable performance and energy efficiency, making it an excellent choice for families seeking a sustainable hot water solution. While installation may require a professional, the long-lasting benefits and convenience it provides make it a worthwhile investment for modern homeowners.
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Camplux Outdoor Portable Propane Water Heater
The Outdoor Propane Tankless Water Heater is designed to provide instant hot water for outdoor activities, ideal for campers, RV enthusiasts, and off-grid users. Its compact size of 11.8 (L) x 5.3 (W) x 17.3 (H) inches and lightweight design (only 12 lbs) ensures easy portability. This water heater offers a maximum output of 40,000 BTU/hr, delivering 1.58 gallons of hot water per minute without preheating, making it perfect for a quick shower or washing equipment.
Equipped with a foldable handle, the heater is easy to hang and store. It features essential safety mechanisms, including overheating protection and CSA certification, ensuring a reliable experience. Whether you’re washing pets, cleaning vehicles, or enjoying a hot shower at a campsite, this heater enhances your outdoor experience.
Pros
- Instant hot water with no preheating required.
- Compact and portable design for easy transport.
- Multiple safety features for worry-free operation.
- Simple installation process with included hardware.
- Low water pressure startup, functional in various conditions.
Cons
- Requires a standard 20 lb. propane tank, which may not be readily available.
- Prolonged exposure to rain can damage internal components.
- Proper installation is crucial to prevent gas leaks.
This Outdoor Propane Tankless Water Heater is best suited for outdoor adventurers seeking reliable hot water solutions. While it excels in portability and performance, users must ensure proper usage to avoid potential issues. Overall, it’s an excellent addition for anyone looking to enhance their outdoor experience with instant hot water.
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Faq about Best Outdoor Gas Water Heater:
1:What is an outdoor gas water heater?
An outdoor gas water heater is a device designed to heat water using natural gas or propane, installed outside the home to provide hot water for various needs.
2:What are the benefits of using an outdoor gas water heater?
Outdoor gas water heaters offer energy efficiency, faster heating times, and space-saving advantages since they do not occupy indoor space.
3:How do I choose the best outdoor gas water heater?
Consider factors like heating capacity, energy efficiency rating, installation requirements, and brand reputation when selecting the best outdoor gas water heater.
4:Are outdoor gas water heaters safe?
Yes, when installed correctly and maintained, outdoor gas water heaters are safe. Ensure proper ventilation and follow manufacturer guidelines.
5:Can outdoor gas water heaters work in cold climates?
Yes, many outdoor gas water heaters are designed to operate efficiently in cold climates, but insulation and freeze protection measures are essential.
6:What maintenance do outdoor gas water heaters require?
Regular maintenance includes checking for gas leaks, cleaning filters, and inspecting venting systems to ensure optimal performance and safety.
Conclusion
Rinnai RX199iN Tankless Water Heater exemplifies efficiency and reliability, offering a continuous supply of hot water tailored for various household needs. Its advanced technology ensures optimal performance, making it a preferred choice for discerning consumers.
Similarly, the Ranein Tankless Outdoor Water Heater, with its impressive 5.3 GPM flow rate, provides exceptional heating capabilities while maintaining energy efficiency. Both products stand out in the market, delivering superior functionality and convenience for outdoor applications.