The best tankless water heater for RV ensures you have hot water on demand, making your travels comfortable. The FOGATTI RV Tankless Water Heater offers optimized summer performance, ideal for family use. Another great choice is the GIRARD Tankless RV Water Heater, known for its quiet operation and easy installation. Both products provide reliable heating solutions for your RV.
These heaters cater to various needs, from the compact InstaShower 7 with multiple door sizes to the powerful Ranein 65,000 BTU model, which is perfect for high altitudes. Their unique features include freeze protection and digital controls, enhancing user experience.
In this review, we’ll explore each product in detail, highlighting their benefits and what makes them perfect for RV enthusiasts. Get ready to find your ideal hot water solution!



FOGATTI RV Tankless Water Heater InstaShower
The FOGATTI RV Tankless Water Heater, InstaShower 7, is a game-changer for RV enthusiasts seeking reliable hot water on the go. With an impressive output of 2.5 gallons per minute and a robust 48,000 BTU heat capacity, this heater is designed to meet the demands of busy families while ensuring energy efficiency. The tankless feature means no more waiting for hot water or frequent maintenance like replacing anode rods. Plus, it comes with three optional door sizes for easy refitment, making it a versatile choice for any RV.
Pros
The Fogatti InstaShower 7 shines with its instant hot water capabilities and energy-saving design, engaging the burners only when needed. The high-altitude suitability mode allows it to function seamlessly at elevations up to 9,800 feet, ensuring you can enjoy a warm shower even in the mountains. The built-in 150 PSI pressure relief valve is a thoughtful addition, eliminating the hassle of separate purchases. Not to mention, the 6.6ft smart remote controller makes adjusting water temperature a breeze. With CSA certification and multiple safety features, including antifreeze protection, this heater is as safe as it is efficient.
Cons
While the Fogatti InstaShower 7 is impressive, installation can be a bit tricky for those not handy with tools. The need for separate door sizes may also require additional planning and potential costs. Some users might find the price point higher than traditional tank heaters, but considering the long-term energy savings and convenience, it’s a worthy investment for serious RVers.
To buy this product, click here.
GIRARD 12V Tankless RV Water Heater
If you’re looking for the best tankless water heater for your RV, the GIRARD Tankless RV Water Heater is a game changer. With a powerful output of 42,000 BTUs, this unit ensures you enjoy continuous hot water while on the road. Its quiet operation is a breath of fresh air, thanks to the brushless motor that runs on 12V power and consumes less than three amps. Say goodbye to noisy water heaters!
Pros
The GIRARD Tankless RV Water Heater boasts impressive features that make it a top choice for RV enthusiasts. Its onboard microprocessor is a wizard at maintaining a consistent water temperature, ensuring you won’t experience the dreaded cold shower or scalding surprise. Plus, it’s highly efficient, using only half the LP gas compared to traditional six-gallon tank heaters. The digital user control panel is intuitive, allowing you to easily adjust the temperature from 95 to 124°F, switch between Fahrenheit and Celsius, and even troubleshoot with error codes displayed right on the screen. Installation is a breeze, though professional help is recommended to avoid any hiccups.
Cons
Check the latest price from here.
Ranein 65,000 BTU Tankless Water Heater
The Ranein 65,000 BTU RV Tankless Water Heater is a game-changer for anyone looking for instant hot water on the go. This high-altitude-capable heater is designed to replace traditional tank water heaters, offering a compact solution that fits a 12.8 x 12.8″ opening. With its upgraded multi-function controller, you can easily monitor gas usage, voltage, and even GPM. Say goodbye to waiting for hot water and hello to endless showers!
Pros
This tankless water heater boasts an impressive 3.9 GPM output, ensuring you have hot water whenever you need it. The deep fire row design enhances heating efficiency, and the temperature control ranges from 95°F to 124°F, making it perfect for both summer and winter travels. The built-in safety features, like the forced exhaust fan and automatic gas shut-off, provide peace of mind. Plus, the included intelligent remote controller simplifies operation. If you’re tired of cold showers while camping, this heater is your new best friend!
Cons
To get this product, click here.
FOGATTI Tankless Water Heater InstaShower 8 Plus
The FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, is a game-changer for RV enthusiasts seeking reliable hot water on the go. With its high altitude performance, this heater operates seamlessly at elevations up to 9,800 feet, making it perfect for those mountain adventures. Thanks to its staged combustion technology, it manages to keep the water temperature just right, conserving your precious propane while ensuring you never run out of hot water.
Pros
The Fogatti InstaShower 8 Plus boasts impressive features that make it a must-have for RVers. With a powerful output of 55,000 BTU, it delivers a maximum of 2.9 GPM of hot water, ensuring that you can enjoy long, luxurious showers without the fear of running out. Its built-in pressure relief valve and safety features, including automatic gas shut-off, provide peace of mind while you relax. Plus, the included 15 x 15 inches door and remote control make installation a breeze, allowing you to focus more on your adventures and less on plumbing.
Cons
No product is without its quirks, and the Fogatti InstaShower is no exception. While it excels in high altitude performance, some users may find the initial setup a bit tricky, especially if they’re replacing an older model. Additionally, it requires propane, which might not be ideal for those seeking an electric solution. However, these minor inconveniences are easily overshadowed by the convenience and efficiency this tankless water heater brings to your RV experience.
To know more about this product, click here.
KINGRVER 65,000 BTU RV Tankless Water Heater
The KINGRVER 65,000 BTU RV Tankless Water Heater is a game-changer for outdoor enthusiasts seeking the best tankless water heater for RV adventures. With its powerful heating capabilities and industry-leading 0.5 GPM low-pressure activation, you can enjoy instant hot water no matter where your travels take you. This unit is compatible with all RVs and offers easy refitment thanks to its three optional door sizes: 15″x15″, 15″x18″, and 18″x18″.
Pros
This water heater excels in extreme environments, operating smoothly at altitudes over 9,800 feet and featuring automatic freeze protection below 42.8°F. You can trust it to keep your water lines thawed, even in chilly conditions. Safety and efficiency are top priorities, with a forced exhaust fan ensuring safe combustion and a 150 PSI pressure relief valve for peace of mind. Plus, its intelligent combustion technology dynamically adjusts the flame, conserving propane and saving you money on travel costs.
Cons
While the KINGRVER water heater is a robust performer, installation can be a bit tricky for those not familiar with RV systems. The absence of a door may also require additional purchases, which could be a hassle for some users. However, with a dedicated 24/7 technical support team ready to assist, any installation hiccups can be quickly resolved.
Check details of this product, click here.
Faq about best tankless water heater for rv:
1:What is a tankless water heater for RV?
A tankless water heater for RV provides hot water on demand without a storage tank, making it efficient and space-saving.
2:What are the benefits of using a tankless water heater in an RV?
Benefits include endless hot water, energy efficiency, space savings, and reduced weight compared to traditional water heaters.
3:How do I choose the best tankless water heater for my RV?
Consider factors like flow rate, energy source (gas or electric), size, and installation requirements to find the best fit for your RV.
4:What is the average cost of a tankless water heater for RV?
Prices typically range from $100 to $1,000, depending on the brand, features, and installation complexity.
5:Can I install a tankless water heater myself?
Yes, but it’s recommended to hire a professional for installation to ensure safety and compliance with local codes.
6:How long do tankless water heaters last?
With proper maintenance, tankless water heaters can last up to 20 years, significantly longer than traditional models.
Conclusion
Among the myriad of options, the FOGATTI RV Tankless Water Heater InstaShower stands out for its exceptional efficiency and compact design, ensuring a continuous supply of hot water tailored for the RV enthusiast. Its user-friendly interface and rapid heating capabilities make it a preferred choice for those seeking convenience on the road.
Equally commendable, the GIRARD 12V Tankless RV Water Heater exemplifies reliability and innovation, offering a robust solution for consistent hot water access. Its energy-efficient operation and quiet performance cater to the discerning traveler, solidifying its reputation as a formidable contender in the market.