Which Outdoor Tankless Water Heaters Are Worth Your Investment?

Best outdoor tankless water heaters provide endless hot water efficiently. They are ideal for homes seeking energy savings and convenience.

When it comes to outdoor tankless water heaters, efficiency and reliability are crucial. The Rinnai V53DeP Tankless Hot Water Heater offers 5.3 GPM of hot water, making it perfect for outdoor activities. Its propane fuel source ensures quick heating, while the compact design saves space.

Additionally, the Rinnai RX199iN Condensing Smart Sense stands out with its impressive 11.1 GPM capacity and smart technology. This versatile unit can be installed indoors or outdoors, providing flexibility and efficiency for various needs. Its high BTU output ensures you never run out of hot water.

In this review, you’ll discover the essential features, benefits, and comparisons of these top outdoor tankless water heaters. Learn how they can transform your hot water experience and why they are the perfect choice for your home.

best outdoor tankless water heatersbest outdoor tankless water heatersbest outdoor tankless water heaters
best outdoor tankless water heaters

Rinnai V53DeP Propane Water Heater

#1 CHOICE Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation

The Intex 28685E 47 Inch x 47 Inch Solar Pool Water Heater Mat is designed to harness solar energy to effectively raise the temperature of your above-ground swimming pool water. Ideal for pool owners with above-ground pools up to 8,000 gallons, this solar heater mat offers an eco-friendly and cost-effective solution for extending your swimming season. With dimensions of 47.25 x 47.25 inches, it features an 11-square-foot surface area that efficiently absorbs sunlight, increasing pool water temperatures by approximately 5 to 9 degrees depending on weather conditions.

This product is perfect for families and pool enthusiasts looking to enjoy warmer water without the high costs associated with traditional heating methods. The Intex Solar Heater Mat is compatible with filter pumps up to 1/3 HP or those with a pump flow rate of less than 2,000 GPH, making it a versatile choice for various pool setups. Constructed from heavy-duty UV stabilized PVC, this heater mat is designed for durability and longevity, ensuring it withstands the elements while providing reliable performance.

Pros

  • Cost-effective: Utilizes solar energy, reducing electricity costs.
  • Easy installation: Comes with hose attachments and adaptors for straightforward setup.
  • Durable materials: Made from UV stabilized PVC for long-lasting use.
  • Compact storage: Folds easily for winter storage, saving space.

Cons

  • Limited heating capacity: May not be sufficient for larger pools or in cooler climates.
  • Dependent on sunlight: Effectiveness varies based on weather conditions.

The Intex 28685E Solar Pool Heater Mat stands out for its simplicity and efficiency. Users appreciate its ability to warm water naturally, enhancing the swimming experience without the hassle of complicated heating systems. While it might not be the best option for those with larger pools or in areas with limited sunlight, it serves as an excellent choice for average-sized above-ground pools. With its combination of practicality and affordability, this solar heater mat is an essential accessory for any pool owner looking to maximize their enjoyment of summer days.

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Rinnai RX199iN Tankless Water Heater

#2 CHOICE NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

The Rinnai RX199iN Condensing Smart Sense Tankless Water Heater is designed to provide an endless supply of hot water, making it ideal for homeowners seeking efficiency and convenience. This versatile unit can be installed indoors or outdoors, catering to various situations and preferences. With a compact size comparable to a small suitcase, it delivers an impressive flow rate of up to 11.1 gallons per minute (GPM), ensuring that multiple fixtures can operate simultaneously without running out of hot water.

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Key specifications include a powerful output of 199,000 BTUs, compatibility with both natural gas and propane, and a high energy efficiency factor (UEF .98). The modern design features an intuitive interface and a Quick Flush option for easy maintenance, making it user-friendly for both tech-savvy individuals and those less familiar with home appliances.

The Rinnai RX199iN addresses the common problem of limited hot water supply in traditional tank heaters, enhancing the user experience by providing a reliable and efficient solution. Its Smart Sense gas control system optimizes performance based on demand, ensuring maximum efficiency.

Pros

  • Endless hot water supply, perfect for larger households.
  • Compact design saves space and allows flexible installation.
  • High energy efficiency reduces utility bills.
  • Easy maintenance with Quick Flush feature.
  • Compatible with both natural gas and propane.

Cons

  • Professional installation is recommended, adding to initial costs.
  • WiFi control requires additional module purchase.
  • May be overkill for small households with minimal hot water needs.

In real-world usability, the Rinnai RX199iN excels in providing consistent hot water for various applications, from showers to dishwashing. It’s particularly well-suited for larger families or homes with multiple bathrooms. However, potential buyers should consider the installation requirements and whether they need such capacity based on their household size.

Overall, the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater offers exceptional value for those needing reliable hot water solutions. Its combination of efficiency, compact design, and advanced features makes it an excellent choice for homeowners looking to upgrade their water heating system.

To buy this product, click here.

Ranein Tankless Outdoor Water Heater 5.3 GPM

#3 CHOICE Ranein Propane Gas Tankless Water Heater, Outdoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater

The Ranein Propane Gas Tankless Water Heater is designed to provide instant hot water for outdoor use, making it ideal for families and individuals who require a reliable hot water solution without the wait. This tankless water heater boasts a compact size of 23.2″L x 14.2″W x 5.9″H, ensuring it fits seamlessly into various outdoor setups. With a powerful heating capacity of 130,000 BTU and a flow rate of up to 5.3 GPM, it caters to multiple outlet points, making it perfect for outdoor showers, kitchens, or any other hot water needs.

The Ranein Tankless Water Heater addresses the common problem of limited hot water supply and long preheating times associated with traditional tank heaters. Users can enjoy unlimited hot water on demand, enhancing convenience during outdoor activities or in homes with high hot water usage. The unit’s advanced blower system ensures safe and efficient combustion, automatically adjusting to external conditions for optimal performance.

Pros

  • Unlimited hot water on demand eliminates long wait times.
  • Compact design saves space and is easy to install.
  • High heating capacity suitable for multiple outlets.
  • Safety features like anti-freeze protection enhance usability.
  • Low noise operation contributes to a pleasant environment.
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Cons

  • Not recommended for high-altitude areas over 2,000 feet.
  • Requires regular maintenance to prevent freezing in cold weather.

In terms of performance, the Ranein Propane Gas Tankless Water Heater stands out with its efficient heating capabilities and user-friendly design. It is best suited for families or individuals who frequently engage in outdoor activities where hot water is essential. Minor limitations include its altitude restrictions and the need for proper drainage in colder climates, but these do not detract significantly from its overall value.

In summary, the Ranein Propane Gas Tankless Water Heater is a reliable choice for anyone seeking a portable and efficient hot water solution, making it an excellent addition to any outdoor setup.

To buy this product, click here.

FOGATTI Outdoor Natural Gas Tankless Heater

#4 CHOICE FOGATTI Natural Gas Tankless Water Heater - Outdoor Installation Up to 8.1 GPM, Gray Instant Hot Water Heater - Instagas Comfort 180S Series

The FOGATTI Natural Gas Tankless Water Heater is designed to provide instant hot water for various household needs, making it ideal for homeowners and renters looking for an efficient solution for showers, sinks, and appliances. This outdoor installation unit boasts impressive specifications, including a flow rate of up to 8.1 GPM and a powerful 180,000 BTU output. Its compact dimensions of 26.2 x 17.1 x 7.1 inches allow for easy installation, while its gray finish blends seamlessly into outdoor environments.

This tankless water heater solves the common problem of preheating delays, delivering continuous hot water on demand. Its design is particularly beneficial for households with multiple outlets, ensuring that everyone can enjoy hot water without interruption. The advanced technology employed in this heater enhances user experience by maintaining precise temperature control, making it a reliable choice for any season.

Pros

  • Instant hot water eliminates preheating delays.
  • Durable outdoor design with safety features for reliable operation.
  • Precision temperature control ensures consistent comfort.
  • Easy installation process, compatible with low water pressure.
  • Trusted quality with a comprehensive warranty and customer support.

Cons

  • Requires natural gas connection, limiting installation options.
  • Not suitable for high-altitude locations above 2000 feet.

The FOGATTI Natural Gas Tankless Water Heater excels in performance with its four-stage combustion system, which provides consistent hot water regardless of external temperatures. Its remote control panel allows for convenient indoor operation, enhancing usability. Best suited for families or individuals who frequently use hot water across several outlets, this heater stands out for its reliability and efficiency.

In summary, the FOGATTI Natural Gas Tankless Water Heater is a valuable addition for anyone seeking an outdoor solution for their hot water needs. Its combination of durability, performance, and user-friendly features makes it a top choice for modern households.

To buy this product, click here.

ORBEK Propane Tankless Water Heater 120,000 BTU

#5 CHOICE Propane Tankless Water Heater Outdoor - ORBEK 120,000 BTU Up to 5.1 GPM Outdoor Installation - CSA Certified On-Demand Instant hot Water Heater 3/4" NPT Connector Size

The Orbek Propane Tankless Water Heater Outdoor is designed to provide instant hot water on demand, ideal for homeowners seeking a reliable and efficient solution for outdoor hot water needs. With its impressive capacity of up to 5.1 gallons per minute (GPM) and 120,000 BTU, this unit can comfortably serve 2-4 fixtures simultaneously, making it perfect for families or individuals who enjoy outdoor activities.

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Constructed for outdoor use, the Orbek water heater is built to withstand harsh weather conditions, featuring IPX4 waterproof protection and the ability to operate effectively in low temperatures. Its compact dimensions (15.5″L x 7.3″W x 24.0″H) and standard 3/4″ NPT connector size ensure easy installation in various settings, while its energy-efficient design helps users save on utility bills.

Key specifications include:

  • Flow Rate: Up to 5.1 GPM
  • BTU Output: 120,000 BTU
  • Dimensions: 15.5″L x 7.3″W x 24.0″H
  • Water Pressure Range: 15 to 150 PSI
  • Temperature Range: 95°F to 149°F

This water heater addresses common problems such as inconsistent water temperature and inefficient energy use. Its built-in chip adjusts heating power 20,000 times per second, ensuring a stable temperature within 1°F, enhancing the user experience during showers or other hot water needs.

Pros

  • Reliable performance in extreme weather conditions
  • Energy-efficient design reduces utility costs
  • Easy to install with standard connectors
  • Advanced safety features for peace of mind
  • Remote control and LED display for user-friendly operation

Cons

  • Professional installation recommended for optimal performance
  • Limited to outdoor use only
  • Higher initial investment compared to traditional water heaters

The Orbek Propane Tankless Water Heater Outdoor stands out for its durability, safety features, and energy efficiency, making it an excellent choice for families or individuals needing reliable hot water in outdoor settings. Its advanced technology and user-friendly controls enhance usability, making it a valuable addition to any home.

To buy this product, click here.

Faq about best outdoor tankless water heaters:

1:What are outdoor tankless water heaters?

Outdoor tankless water heaters provide hot water on demand without the need for a storage tank, designed specifically for outdoor installation.

2:What are the benefits of using outdoor tankless water heaters?

They save space, provide continuous hot water, are energy-efficient, and often have a longer lifespan compared to traditional water heaters.

3:How do outdoor tankless water heaters work?

They heat water directly as it flows through the unit, using gas or electricity, ensuring hot water is available instantly without preheating.

4:Are outdoor tankless water heaters energy-efficient?

Yes, they are more energy-efficient than traditional heaters, as they only heat water when needed, reducing energy waste.

5:What size outdoor tankless water heater do I need?

Size depends on your hot water demand; consider the number of fixtures and peak usage times to determine the appropriate flow rate.

6:Can outdoor tankless water heaters be installed indoors?

No, outdoor tankless water heaters are designed for outdoor use only due to ventilation requirements and weather resistance.

7:How long do outdoor tankless water heaters last?

With proper maintenance, outdoor tankless water heaters can last 15 to 20 years, significantly longer than traditional tank models.

Conclusion

Rinnai V53DeP exemplifies efficiency and portability, catering to outdoor enthusiasts seeking a reliable propane solution. Its compact design and robust performance make it an exemplary choice for various outdoor applications.

On the other hand, the Rinnai RX199iN stands out for its advanced technology and capacity, ensuring a consistent supply of hot water for larger demands. Both products epitomize innovation in outdoor water heating, offering exceptional reliability and convenience to users.

Joye
Joye

I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.