best outdoor propane tankless water heater that will surprise you
Frustrated with inconsistent hot water? The best outdoor propane tankless water heater delivers instant comfort.
The **Rinnai V53DeP** is perfect for *outdoor installations*, providing reliable hot water on demand for your home.
Plus, its compact design makes it a space-saving solution for any outdoor setup.
We tested durability, ease of use, and more, ensuring you get a time-saving upgrade for your water heating needs.


Rinnai V53DeP Outdoor Propane Tankless Heater
The Rinnai V53DeP Propane Tankless Water Heater is designed to provide endless hot water for your home, making it ideal for busy households that require hot water for multiple appliances simultaneously. With a flow rate of 5.3 GPM, this unit caters perfectly to families and individuals who prioritize convenience and efficiency. Its compact outdoor installation design allows it to fit into tight spaces while maintaining a powerful and consistent hot water flow.
This tankless water heater solves the common problem of running out of hot water during peak usage times. By heating water on demand, it not only ensures you have an uninterrupted supply but also conserves energy, which can lead to lower utility bills. The Rinnai V53DeP is constructed with durable materials and features advanced scale detection, enhancing its lifespan and performance.
Pros
- Endless hot water supply for multiple appliances.
- Energy-efficient operation reduces utility costs.
- Compact design ideal for limited outdoor spaces.
- Robust warranty provides peace of mind and assurance of quality.
Cons
- Professional installation is recommended, which may incur additional costs.
- Higher upfront price compared to traditional water heaters.
The Rinnai V53DeP stands out with its energy-efficient performance and reliable hot water delivery. Users appreciate its ability to provide consistent hot water without the wait, making it a great choice for families with high demands. However, the necessity for professional installation can be a drawback for some, as it adds to the overall cost. Additionally, while the investment may be higher than conventional water heaters, the long-term savings on energy bills and the convenience of on-demand hot water often outweigh these initial expenses.
Overall, the Rinnai V53DeP Propane Tankless Water Heater is best suited for homeowners looking for a reliable, efficient, and space-saving solution for their hot water needs. Its combination of performance, durability, and warranty protection makes it a worthy investment for those who value quality and efficiency in their home appliances.
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Propane Tankless Outdoor Water Heater 5.26GPM
The Propane Tankless Water Heater Outdoor is designed to provide instant hot water on demand, making it ideal for homeowners seeking efficient water heating solutions. This unit is particularly suited for outdoor use, accommodating various needs such as outdoor showers, kitchens, or even remote cabins. With dimensions of 22.8″ x 14.4″ x 5.9″ and a sleek stainless steel body, it not only performs well but also complements outdoor aesthetics.
This tankless water heater operates with just 3.6 PSI of water pressure, delivering an impressive 5.26 gallons of hot water per minute. It features a maximum temperature rise of 149°F, ensuring that you can enjoy hot water even in the coldest conditions. The combination of advanced safety features, including flame failure detection and anti-freeze protection, enhances user experience by providing peace of mind.
Pros
- Instant Hot Water: Delivers on-demand hot water for multiple fixtures simultaneously.
- Durability: Made from stainless steel and oxygen-free copper, ensuring longevity and corrosion resistance.
- Energy Efficient: High-performance output of 120,000 BTU reduces gas consumption and operational noise.
- Easy Installation: Compact design allows for quick outdoor installation, with a simple plug-in setup.
- Precise Temperature Control: Advanced sensors maintain temperature fluctuations within ±1℉ for consistent performance.
Cons
- Price: Higher initial investment compared to traditional water heaters.
- Outdoor Use Only: Not designed for indoor installation, limiting placement options.
- Requires Propane: Dependence on propane may not be suitable for all users.
The Propane Tankless Water Heater Outdoor excels in performance, offering reliable and efficient hot water delivery. Its standout features, including a digital display for easy temperature management and a remote control panel for indoor operation, enhance usability. This unit is best suited for families or individuals who frequently require hot water outdoors and can accommodate the propane fuel source. Despite a few drawbacks, its benefits far outweigh the limitations, making it a valuable investment for efficient water heating.
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Rinnai RX199iN Tankless Water Heater
The Rinnai RX199iN Condensing Smart Sense Tankless Water Heater is designed to provide an endless supply of hot water, making it ideal for homeowners who require efficiency and reliability. This model is perfect for both natural gas and propane users, fitting seamlessly into various home setups. With compact dimensions similar to a small suitcase, it offers impressive performance with a capacity of up to 11.1 gallons per minute (GPM), accommodating up to seven fixtures simultaneously. The sleek design and modern materials ensure durability and ease of use.
One of the standout features of the Rinnai RX199iN is its Smart Sense gas control system, which optimizes performance based on demand. This tankless water heater not only saves space but also enhances energy efficiency with a UEF rating of .98, making it an excellent choice for environmentally conscious consumers. The Quick Flush feature simplifies maintenance, ensuring that users can keep the unit in top condition with minimal effort.
Pros
- Provides an endless supply of hot water, eliminating the risk of running out.
- Compact size allows for versatile installation options, both indoors and outdoors.
- High energy efficiency reduces utility bills and environmental impact.
- Easy-to-use interface and Quick Flush feature enhance user experience.
- Smart technology allows for potential WiFi control with additional modules.
Cons
- Professional installation is recommended, which may add to the overall cost.
- Requires a specific vent cap for outdoor installations, which can be an additional expense.
- WiFi control module sold separately, limiting smart features at initial purchase.
The Rinnai RX199iN excels in performance, making it suitable for families or individuals who need a reliable hot water source without the bulk of traditional heaters. While the need for professional installation may deter some, the long-term benefits of efficiency and convenience outweigh this minor drawback. Overall, this tankless water heater is a valuable investment for those seeking a modern solution to their hot water needs.
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Rheem High Efficiency Outdoor Tankless Water Heater
The Rheem RTG-70XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater is designed to provide continuous hot water for residential use, making it ideal for homeowners who require efficient and reliable hot water supply. This model boasts a flow rate of 7.0 gallons per minute (GPM), ensuring sufficient hot water for multiple applications simultaneously, such as taking a shower while running the dishwasher. Its compact dimensions and lightweight design make it suitable for various outdoor installations.
Key specifications include a reduced size that is 19% smaller and a weight that is 22% lighter than its predecessor, facilitating easier installation. The water heater operates using liquid propane and features a water-saving setting that can save up to 1,100 gallons of water annually, making it an eco-friendly choice. Additionally, the hot-start programming feature keeps the heater in a ready state, preventing any cold-water bursts during use.
Pros
- Continuous hot water supply for multiple uses.
- High energy efficiency reduces overall energy costs.
- Water-saving capabilities contribute to environmental sustainability.
- Compact design saves space and simplifies installation.
Cons
- Requires propane, which may not be available in all areas.
- Initial cost may be higher compared to traditional water heaters.
In terms of performance, the Rheem RTG-70XLP-3 excels in providing consistent hot water without the wait. Its standout features, such as the hot-start programming, enhance usability by eliminating cold-water bursts, making it ideal for families and busy households. The compact size is particularly beneficial for those with limited installation space.
This water heater is best suited for environmentally conscious homeowners who prioritize efficiency and reliability in their hot water supply. While the reliance on propane may limit its appeal in some regions, the long-term savings and convenience it offers make it a valuable investment for those who can utilize it effectively.
In summary, the Rheem RTG-70XLP-3 is an excellent choice for homeowners looking for a high-efficiency, space-saving solution for their hot water needs.
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Propane Tankless Outdoor Water Heater 5.2 GPM
Propane Tankless Water Heater Outdoor is designed to provide instant hot water on demand, ideal for households needing a reliable and efficient solution for their hot water needs. This unit delivers an impressive 5.2 GPM (gallons per minute) flow rate, making it suitable for multiple outlets simultaneously, which is perfect for busy families or homes with high water usage. Its compact outdoor installation saves space and reduces safety risks associated with traditional tank water heaters.
Key specifications include a durable corrosion-resistant body, a stainless steel vent, and a variable frequency fan, ensuring it withstands all weather conditions. The heater operates with a minimum water flow requirement of 0.7 GPM, ensuring reliable performance even in low water pressure situations, making it a versatile choice for various environments.
Pros
- Instant hot water supply, eliminating waiting times.
- Energy-efficient compared to electric heaters, leading to lower utility bills.
- Durable construction with weatherproof features for all-season use.
- Precise temperature control with minimal fluctuation, ensuring comfort.
- Safety features include flame failure and overheating protection.
Cons
- Requires a 110V power outlet for ignition, which may limit installation options.
- Initial cost may be higher compared to traditional tank heaters.
The Propane Tankless Water Heater Outdoor stands out for its advanced thermostat system that maintains a consistent water temperature year-round. Its effortless setup and operation make it user-friendly, as users can control the temperature from indoors with the included remote controller. This heater is particularly suited for families, outdoor enthusiasts, or anyone looking to upgrade their hot water system with an efficient, space-saving solution.
In summary, the Propane Tankless Water Heater Outdoor is an excellent choice for those seeking a reliable and efficient hot water solution. Its combination of performance, safety features, and ease of use makes it ideal for homeowners wanting to enhance their water heating experience.
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Faq about best outdoor propane tankless water heater:
1: What is an outdoor propane tankless water heater?
An outdoor propane tankless water heater heats water on demand, providing a continuous supply without storing it in a tank.
2: What are the benefits of using a propane tankless water heater?
Benefits include energy efficiency, space-saving design, and an endless supply of hot water, making it ideal for outdoor use.
3: How do I choose the best outdoor propane tankless water heater?
Consider factors like flow rate, energy efficiency rating, installation requirements, and brand reputation to select the best model for your needs.
4: Are outdoor propane tankless water heaters easy to install?
Installation can be straightforward for those with plumbing experience, but hiring a professional is recommended for safety and compliance with local codes.
5: What maintenance is required for these water heaters?
Regular maintenance includes descaling to prevent mineral buildup and checking for gas leaks to ensure safe and efficient operation.
6: Can I use an outdoor propane tankless water heater in cold climates?
Yes, but ensure the unit is rated for cold weather and consider additional insulation or heating elements to prevent freezing.
Conclusion
Rinnai V53DeP emerges as a paragon of efficiency, delivering an impressive 5.26 GPM, making it an ideal choice for households seeking reliable hot water solutions. Its compact design and advanced technology ensure optimal performance, catering to the demands of outdoor applications.
Conversely, the Propane Tankless Outdoor Water Heater presents a remarkable alternative, emphasizing versatility and rapid heating capabilities. Both products epitomize excellence in outdoor hot water solutions, providing consumers with unparalleled convenience and energy efficiency, ultimately enhancing the outdoor experience.





