rv tankless water heater gas and electric – Which One Will Surprise You?

Budget heaters disappoint—but Premium Pick ensures endless hot water!

When it comes to RV tankless water heaters, choosing the right one is essential for comfort on the road. The **RUNSAIL® 65,000 BTU** offers high efficiency with an impressive 3.96 GPM flow rate, while the **Ranein 65,000 BTU** excels with its multi-function controller for on-demand hot water.

For those seeking reliability at high altitudes, the Ranein model’s CSA certification and robust design truly stand out.

Below, we analyze budget, lifespan, and real-user feedback.

rv tankless water heater gas and electricrv tankless water heater gas and electricrv tankless water heater gas and electric

rv tankless water heater gas and electric

RUNSAIL® 65,000 BTU RV Tankless Water Heater

#1 CHOICE

RUNSAIL® 65,000 BTU RV Tankless Water Heater without Door, Endless Hot Water Supply,3.96 GPM Propane Gas, 3 Optional Door Sizes 15"x15", 15"x18" and 18"x18" for Refitment,Compatible with All RVs

RUNSAIL® 65,000 BTU RV Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Provides endless hot water with a maximum capacity of 3.96 GPM.
  • Improved safety with a built-in pressure relief valve compliant with ANSI & CSA standards.
  • Temperature control ranges from 95°F to 123°F, preventing scalding.
  • Compatible with various RVs, adapting to door sizes of 15″x15″, 15″x18″, and 18″x18″.

Drawbacks

  • Noisy operation during peak usage times.
  • Requires adequate propane supply for optimal performance.

A practical pick for small spaces, the RUNSAIL RV Tankless Water Heater is ideal for those seeking efficient hot water solutions while on the road. Its tankless design eliminates waiting time for hot water, making it perfect for families or groups. The precise temperature control ensures safety and comfort, while the easy installation process saves time and hassle. However, users should be aware of the noise during operation and the necessity for a consistent propane supply. Overall, this heater is a reliable choice for RV enthusiasts looking for convenience and efficiency.

To buy this product, click here.

Ranein 65,000 BTU Tankless Water Heater

#2 CHOICE

Ranein 65,000 BTU RV Tankless Water Heater, High Altitude Available, 12V, CSA Certificated, with Multi-function Controller, On Demand Instant Hot Water Heater, Compatible with all RVs

Ranein 65,000 BTU RV Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Produces 3.9 GPM of hot water on demand, ensuring you never run out during your travels.
  • High efficiency with a maximum output of 65,000 BTUs, delivering reliable heating.
  • Temperature range from 95°F to 124°F, allowing for customizable comfort.
  • Built-in forced exhaust fan enhances combustion stability.
  • Pressure relief valve included, eliminating the need for separate purchase and installation.
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Drawbacks

  • No door included, which requires an additional purchase for installation.
  • No dishwasher-safe parts, necessitating manual cleaning.

This tankless water heater is ideal for small spaces, making it a practical choice for RV enthusiasts. Its compact design and powerful performance ensure you have hot water when you need it, perfect for quick baths or cooking. With safety features like an automatic gas shut-off and anti-freeze device, you can travel with peace of mind. Overall, the Ranein 65,000 BTU RV Tankless Water Heater stands out for its efficiency and reliability, catering to the needs of RV owners seeking comfort on the road.

To buy this product, click here.

Suburban Tankless 60,000 BTU Water Heater

#3 CHOICE

Suburban RV Tankless 60,000 BTU Water Heater - Endless Hot Water Supply, Energy Saving, Digital User Control Center, Designed for Safety, Freeze Protection (ST-60)

Suburban RV Tankless 60,000 BTU Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Provides endless hot water for showers and cleaning, ensuring comfort during your travels.
  • Energy-efficient design saves fuel by heating water only when needed.
  • Child lock feature prevents outlet temperatures from exceeding 113° F, enhancing safety for families.
  • Advanced safety features like Flame Out Protection and Scald Protection ensure safe operation.
  • Freeze protection prevents damage in low temperatures, making it reliable year-round.

Drawbacks

  • Requires separate door installation (6285APW or 6285AEB), which may add to initial setup costs.
  • No dishwasher-safe parts, requiring manual cleaning.

The Suburban RV Tankless Water Heater is a practical choice for small spaces in RVs or campers, offering a reliable source of hot water while prioritizing safety and energy efficiency. Its compact design and advanced features make it ideal for families on the go, ensuring that you can enjoy hot water without the bulk of traditional tanks.

To buy this product, click here.

Ranein 2025 GEN II RV Tankless Water Heater

#4 CHOICE

2025 GEN II Ranein On-Demand 65,000 BTU RV Tankless Water Heater, 12V Powered, High Altitude Ready, CSA Approved, With Multi-Function Controller, Works with All RV Models

2025 GEN II Ranein On-Demand 65,000 BTU RV Tankless Water Heater: 12V powered, 12.8″ x 12.8″ opening, CSA approved, with multi-function controller. This unit delivers endless hot water with a maximum output of 3.9 GPM at 65,000 BTU.

Benefits

  • High efficiency: Advanced deep fire row design maximizes heating efficiency.
  • Adjustable temperature: Set from 95°F to 124°F, catering to various preferences.
  • Easy replacement: Fits most RV water heaters, making installation straightforward.
  • Convenient remote control: Displays real-time gas usage, voltage, and water flow rate.
  • High altitude ready: Operates effectively up to 9,800 feet.
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Drawbacks

  • No door included: Compatible door kits sold separately.
  • Not suitable for all RVs: Ensure compatibility with your model before purchase.

This water heater is ideal for full-time RVers who need reliable hot water and campers who enjoy extended showers. Its safety features, such as the automatic gas shut-off and anti-freeze system, provide peace of mind during colder trips. Overall, the 2025 GEN II Ranein is a practical choice for those seeking efficiency and convenience in small spaces.

To buy this product, click here.

FOGATTI RV Tankless Water Heater 12V

#5 CHOICE

FOGATTI RV Tankless Water Heater, 3 Optional Door Sizes 15"x15", 15"x18" and 18"x18" for Refitment, DC 12V, Optimized Summer Comfort Performance, Ideal for RVers

Fogatti RV Tankless Water Heater: 15″x15″, 15″x18″, and 18″x18″ door sizes, DC 12V, optimized for summer comfort, ideal for family use.

Benefits

  • Delivers 2.5 gallons of hot water per minute, perfect for busy RV families.

Drawbacks

  • Requires separate purchase for door sizes, which can add to the overall cost.

This tankless water heater is designed to meet the needs of RVers, providing instant hot water without the wait. Its 48,000 BTU output ensures that you can enjoy hot showers, clean dishes, and wash hands efficiently. The energy-saving feature activates the burners only when hot water is needed, making it a smart choice for those looking to conserve resources.

Additionally, the Fogatti RV Tankless Water Heater is equipped with a high-altitude mode, operating smoothly at altitudes up to 9,800 feet. The staged combustion technology maintains consistent temperatures, preventing cold spots and scalding. The built-in 150 PSI pressure relief valve and antifreeze protection enhance its functionality and safety, ensuring reliable performance in various conditions.

However, potential buyers should note that the required door sizes are sold separately, which may increase the initial investment. Overall, the Fogatti RV Tankless Water Heater is a practical pick for small spaces and families seeking efficient hot water solutions on the road.

To buy this product, click here.

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Faq about RV Tankless Water Heater: Gas and Electric

1: What is an RV tankless water heater?

An RV tankless water heater heats water on demand without a storage tank, providing endless hot water while saving space.

2: How does a gas tankless water heater work?

A gas tankless water heater uses a gas burner to heat water as it flows through the unit, delivering hot water instantly.

3: How does an electric tankless water heater work?

An electric tankless water heater uses electric coils to heat water as it passes through, providing hot water on demand.

4: What are the benefits of using a tankless water heater in an RV?

Benefits include endless hot water, energy efficiency, space-saving design, and reduced weight compared to traditional water heaters.

5: Are tankless water heaters suitable for all RVs?

Most RVs can accommodate tankless water heaters, but it’s essential to check compatibility with your RV’s plumbing and power supply.

6: How much do RV tankless water heaters cost?

Prices vary, typically ranging from $100 to $800, depending on brand, type, and features.

7: Can I install a tankless water heater myself?

DIY installation is possible for those with plumbing and electrical skills, but professional installation is recommended for safety.

Conclusion

The RUNSAIL® 65,000 BTU RV Tankless Water Heater exemplifies efficiency and innovation, providing instant hot water with minimal energy consumption, making it an ideal choice for avid travelers. Its compact design and robust performance ensure a seamless experience, enhancing the convenience of outdoor adventures.

Conversely, the Ranein 65,000 BTU Tankless Water Heater stands out with its remarkable heating capabilities and user-friendly features, catering to diverse needs while maintaining optimal performance. Both products demonstrate a commitment to quality and reliability, offering exceptional solutions for those seeking consistent hot water in their RVs.