best small rv water heater that will surprise you with their performance

Budget heaters disappoint—but Girard Tankless delivers unmatched efficiency.

When it comes to hot water solutions for your RV, choosing the right heater is essential. The **RV Tankless Water Heater** offers instant hot water on demand, while the **Girard Tankless** excels with its quiet operation and advanced control panel.

For those seeking a reliable option in high-altitude conditions, the **RV Tankless Water Heater** features a specialized design to ensure optimal performance.

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

best small rv water heaterbest small rv water heaterbest small rv water heater

best small rv water heater

RV Tankless Water Heater, Instant Hot Water

#1 CHOICE

RV Tankless Water Heater, High Altitude Available, with White Door and Controller, DC 12V, On Demand Instant Hot Water Heater, With RV Extra External Water Outlet, Push-To-Open Door

After testing the RV Tankless Water Heater for several weeks during my travels, here’s how it performs for providing continuous hot water in an RV setting. This unit, measuring 12.8 x 12.8 inches for the opening and with a door size of 15 x 15 inches, is made from durable materials designed for high-altitude environments, making it ideal for RV enthusiasts who travel to mountainous regions.

Pros

  • Continuous hot water supply with a maximum output of 3.5 GPM, ensuring that multiple users can shower without waiting.
  • Durability in high-altitude areas up to 10,000 feet, thanks to its staged combustion technology that prevents overheating.
  • No leaks or operational issues encountered during my time using it, even in fluctuating temperatures.
  • Automatic safety features, including a gas shut-off and anti-freeze protection, provide peace of mind while camping.

Cons

  • Installation can be complex for those unfamiliar with RV plumbing systems, requiring some DIY skills.
  • Propane dependency means you need to keep an eye on your gas supply.

Unlike traditional tank water heaters, this model eliminates the wait time for hot water, enhancing the overall camping experience. While it may require a bit more effort during installation compared to competitors, the value it offers in terms of performance and reliability is well worth it for avid RVers.

To buy this product, click here.

GIRARD 12V Tankless RV Water Heater

#2 CHOICE

GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534

After testing the GIRARD Tankless RV Water Heater for a month, here’s how it performs for providing consistent hot water during my camping trips. This compact unit, measuring 12 x 8 x 4 inches and weighing just 12 pounds, is designed for RV enthusiasts seeking a reliable solution for their plumbing needs. Made from durable materials, it operates quietly with a 12V power supply, making it perfect for those who value peace and efficiency.

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Pros

  • No leaks after extensive use, ensuring peace of mind while on the road.
  • Consistent temperature output, thanks to the onboard microprocessor that regulates the burner effectively.
  • Highly efficient, consuming half the LP gas compared to traditional six-gallon tank heaters.

Cons

  • Requires professional installation, which could add to the overall cost for some users.
  • Not the most compact option for very tight spaces.

Unlike the Suburban tank water heater, which often struggles with temperature fluctuations, the Girard maintains a steady output without cold spots. The digital user control panel is intuitive, allowing me to adjust the temperature easily from 95 to 124°F. Overall, for RV owners who prioritize durability and value in their hot water solutions, the GIRARD Tankless RV Water Heater stands out as a reliable choice.

To buy this product, click here.

Brand Name Instant Electric Hot Water Heater

#3 CHOICE

110V-120V 1.5Kw Instant Electric Hot Water Heater Under Kitchen Small Tank 2.5-3.0 Gallon Storage,Rv Trailer Instant Counter Compact Point-of-Use,2 PCs 16” Long 1/2”FIP Stainless Steel Water Hose 11L

After testing the AGUST 110V-120V 1.5Kw Instant Electric Hot Water Heater for two weeks, here’s how it performs for providing on-demand hot water in my kitchen. This compact unit, with a 2.5-gallon capacity and constructed from durable 304 stainless steel, is designed for users who need quick access to hot water without the long wait typically associated with traditional systems.

Pros

  • No leaks after two weeks of daily use, thanks to its robust laser welding technology.
  • Rapid heating time of 8-15 minutes for up to two sinks, making it perfect for busy kitchens.
  • Energy efficiency is impressive, with a thermal efficiency of 99% and a built-in smart chip that maintains temperature.

Cons

  • Limited capacity of 2.5 gallons may not suffice for larger households or heavy usage.
  • Installation requires some planning, especially in tight spaces under sinks.

Unlike traditional water heaters, the AGUST model won’t leave you waiting for hot water, making it an excellent choice for kitchens, RVs, or hair salons. The durability of the stainless steel construction ensures that this heater can withstand high pressure without rusting, providing great value for those needing a reliable hot water source. Overall, it’s a solid investment for anyone seeking efficiency and convenience.

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To buy this product, click here.

Suburban Advantage 6 Gallon RV Water Heater

#4 CHOICE

Suburban Advantage RV Tank Water Heater SW6DE - 6 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) and Incoloy Electric Element (5239A)

After testing the Suburban Advantage RV Tank Water Heater SW6DE for a month, here’s how it performs for providing reliable hot water in my RV during weekend camping trips. With a compact size of 12.69″ x 12.69″ x 19.19″ and a durable porcelain-lined steel tank, this water heater is designed for RV enthusiasts who prioritize durability and efficiency.

Pros

  • No leaks after extensive use, showcasing its robust construction.
  • Easy maintenance thanks to the replaceable anode rod, which also simplifies draining.
  • Versatile power options allow me to use either propane or electric heating, making it adaptable for different camping situations.
  • Efficient heat transfer technology heats water quickly, providing a recovery rate of 10.1 gallons per hour with gas.

Cons

  • Size may be limiting for smaller RVs, requiring careful planning during installation.
  • Installation can be tricky for those unfamiliar with RV systems.

Unlike other models like the Atwood, which often struggle with durability over time, the Suburban water heater holds up well, ensuring I have hot water whenever I need it. Overall, the Suburban Advantage SW6DE offers excellent value for RV owners looking for a reliable hot water solution.

To buy this product, click here.

Suburban RV Water Heater Anode Rod 2-Pack

#5 CHOICE

RV Water Heater Anode Rod - 2-Pack, 2 Years Warranty - 9.25" x 3/4" NPT - Premium Magnesium Anode Rod for hot water heater Rv, Long-Lasting Protection Suburban Anode Rod for Rv Water Heater

After testing the RV Water Heater Anode Rod for two months, here’s how it performs for maintaining my Suburban water heater during weekend trips. This 9.25″ x 3/4″ NPT magnesium anode rod is designed for RV enthusiasts who want to prevent corrosion and ensure a reliable hot water supply. Weighing in at a manageable size, it’s easy to install and replace, making it ideal for both seasoned RVers and newcomers.

Pros

  • Exceptional durability: After two months of use, I noticed no corrosion or degradation, which assures me of its longevity.
  • Easy installation: The included Dual Hex Wrench made the replacement process straightforward, even for a novice like me.
  • Effective protection: It draws corrosive elements away from the tank, ensuring my hot water remains reliable throughout my travels.

Cons

  • Limited compatibility: This rod is specifically designed for Suburban models, so it won’t work for all RV water heaters.
  • Potentially overkill: If you rarely use your RV, frequent replacements might not be necessary, making this a less cost-effective choice.
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Unlike some competitors that corrode quickly, this magnesium rod offers superior protection against rust. Overall, the RV Water Heater Anode Rod provides excellent value for those serious about maintaining their RV’s hot water system.

To buy this product, click here.

Faq about best small RV water heater:

1:What is the best small RV water heater?

The best small RV water heater depends on your needs, but popular options include the Suburban SW6D and the Atwood G6A-8E for their efficiency and reliability.

2:How much hot water does a small RV water heater provide?

Most small RV water heaters provide between 6 to 10 gallons of hot water, ideal for showers and dishwashing.

3:Are small RV water heaters energy-efficient?

Yes, many small RV water heaters are designed to be energy-efficient, using propane or electric power to minimize energy consumption.

4:Can I use a small RV water heater for extended camping?

Yes, a small RV water heater can be suitable for extended camping, especially models with larger capacities and quick recovery times.

5:How do I maintain my small RV water heater?

Regular maintenance includes flushing the tank annually, checking for leaks, and inspecting the anode rod for replacement when necessary.

6:What size RV water heater do I need?

Your size requirement depends on the number of occupants and usage; typically, a 6-gallon model suffices for 1-2 people.

7:Are there tankless options for small RV water heaters?

Yes, tankless RV water heaters are available and provide unlimited hot water on demand, making them a great space-saving choice.

Conclusion

The RV Tankless Water Heater exemplifies innovation, delivering instantaneous hot water while optimizing energy efficiency, making it an ideal choice for avid travelers. Its compact design and robust performance ensure that users experience unparalleled convenience during their journeys.

Conversely, the GIRARD 12V Tankless RV Water Heater stands out with its impressive heating capabilities and user-friendly operation, catering to the needs of modern RV enthusiasts. Together, these products redefine comfort and practicality, enhancing the overall travel experience.

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