When it comes to choosing the best small RV water heater, the Suburban RV Tankless 60,000 BTU Water Heater stands out for its endless hot water supply and energy-saving features. The digital user control center ensures a user-friendly experience while prioritizing safety with freeze protection.
Another excellent option is the Suburban Advantage RV Tank Water Heater SW6D, which offers a 6-gallon porcelain-lined steel tank with direct spark ignition for reliable hot water. For those seeking versatility, the GIRARD Tankless RV Water Heater provides quiet operation and easy installation, making it perfect for various RV setups.
In this review, we’ll dive deeper into each product’s features and benefits, helping you choose the ideal water heater for your RV needs. Get ready to enjoy hot water on the go!



Suburban Tankless 60,000 BTU Water Heater
The Suburban RV Tankless 60,000 BTU Water Heater is designed to provide an endless hot water supply, ideal for RV enthusiasts and families on the go. Its compact size, measuring approximately 16.5 x 24.5 x 11 inches, and lightweight construction make it perfect for various RV models. The sleek design in a modern white finish complements any RV interior while ensuring maximum functionality.
This tankless water heater addresses common issues faced by RV users, such as limited hot water supply and energy inefficiency. By only heating water when needed, it saves energy while delivering consistent hot water for showers, dishwashing, and other needs.
Pros
- Advanced Flame Out Protection ensures safety by cutting gas supply during malfunctions.
- Scald Protection maintains a maximum temperature of 131°F, preventing burns.
- Child lock feature keeps outlet temperatures safe for families with young children.
- Energy-efficient operation reduces propane usage and costs.
- Active Freeze Protection safeguards the unit in cold weather.
Cons
- Requires specific door models (6285APW or 6285AEB) for installation, sold separately.
- Initial setup may require professional assistance for optimal performance.
- Price point may be higher than traditional tank water heaters.
With its standout features and reliable performance, the Suburban RV Tankless Water Heater is best suited for families and RV travelers who prioritize safety and efficiency. While the installation might pose a minor challenge, the long-term benefits of endless hot water and energy savings outweigh these drawbacks. This water heater is a worthy investment for anyone seeking comfort and convenience in their RV adventures.
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Suburban Advantage 6 Gallon RV Water Heater
The Suburban Advantage RV Tank Water Heater SW6D is designed to provide reliable hot water for RV enthusiasts and campers. Ideal for small to medium-sized RVs, this 6-gallon unit features a durable porcelain-lined steel tank that mimics the longevity of residential water heaters. Measuring 12.69″ x 12.69″ x 19.19″, it fits seamlessly into RVs, ensuring you have hot water whenever you need it.
This water heater addresses the common problem of inconsistent hot water supply while camping. With advanced corrosion protection from a replaceable anode rod, maintenance is simplified, and the unit’s lifespan is extended. Its unique heat transfer technology optimizes energy use, allowing for faster heating and reduced energy consumption.
Pros
- Durable construction ensures long-lasting performance.
- Advanced corrosion protection for extended lifespan.
- Flexible power options with an optional electric element.
- Efficient heat transfer technology saves energy.
- Compact size fits most RVs easily.
Cons
- Price may be higher than some budget alternatives.
- Installation may require professional assistance.
Performance-wise, the Suburban SW6D stands out with a recovery rate of 10.1 gallons per hour using gas, and 6.1 gallons per hour with electric. This makes it best suited for families or groups who enjoy camping without sacrificing comfort. While it excels in efficiency and durability, potential buyers should consider installation requirements. Overall, the Suburban Advantage RV Tank Water Heater SW6D is an excellent choice for those seeking a reliable and efficient hot water solution on the road.
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GIRARD 12V Tankless RV Water Heater
The GIRARD Tankless RV Water Heater is designed to deliver continuous hot water on demand, making it ideal for RV enthusiasts and campers. With a powerful output of 42,000 BTUs, this water heater ensures optimal performance for all your plumbing needs. Its compact dimensions and sleek design fit seamlessly into various RV models, while the durable materials guarantee longevity on the road.
This tankless water heater addresses the common problem of inconsistent hot water supply in RVs. With its onboard microprocessor, it monitors water temperatures and flow rates, maintaining a steady output to prevent cold spots or scalding water. The 12V power operation is energy-efficient, consuming significantly less LP gas than traditional six-gallon tank water heaters.
Pros
- Powerful performance at 42,000 BTUs for consistent hot water.
- Quiet operation with a brushless motor, running at less than three amps.
- Highly efficient, using half the gas compared to traditional models.
- Intelligent control panel for easy temperature adjustments and troubleshooting.
- Compact design suitable for various RV sizes.
Cons
- Professional installation is recommended, which may incur additional costs.
- Initial price may be higher than traditional tank heaters.
- Requires a 12V power source, limiting options for some users.
The GIRARD Tankless RV Water Heater is best suited for avid travelers seeking a reliable and efficient hot water solution. While installation may pose a minor hurdle, the benefits of consistent and efficient hot water make it a valuable addition to any RV setup.
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Suburban RV Water Heater Anode Rod 2-Pack
The RV Water Heater Anode Rod – 2-Pack is designed to provide long-lasting protection for your RV’s hot water heater, making it ideal for RV owners who want to maintain their water heater’s efficiency. Measuring 9.25″ x 3/4″ NPT, this premium magnesium anode rod is specifically tailored for Suburban water heaters, ensuring optimal compatibility and performance.
This anode rod effectively combats corrosion, which can be a significant issue for RV water heaters, especially in varying water conditions. By sacrificing itself to protect the tank, it guarantees reliable hot water, enhancing your comfort during trips. The magnesium composition (99.9% pure) outperforms alternatives like aluminum or zinc, making it the best choice for RV enthusiasts.
Pros
- Superior corrosion protection for Suburban water heaters.
- Easy installation with included Dual Hex Wrench.
- Long-lasting durability—designed to endure harsh conditions.
- Compatible with various RV brands, ensuring versatility.
Cons
- Specifically designed for Suburban models; not suitable for all RV water heaters.
- May require additional tools for installation if not included.
This anode rod stands out for its performance and ease of use, making it perfect for RV owners who prioritize hot water availability. While it may have some limitations in compatibility, its superior corrosion protection and durability make it a worthwhile investment for maintaining your RV’s water heater. Ideal for those who frequently travel and want to ensure a cozy and warm experience on the road.
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BOSCH Tronic 3000 T 4-Gallon Water Heater
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) is designed to provide instant hot water, ideal for homeowners and small businesses needing efficient, on-demand hot water solutions. Its compact dimensions of 13.75 W x 13.75 H x 13.5 D inches make it perfect for tight spaces under sinks. The heater boasts a thermal efficiency of 98%, ensuring minimal energy waste while delivering hot water right where you need it.
This mini-tank water heater addresses the common problem of waiting for hot water, making it a perfect choice for kitchens and bathrooms. It can supply hot water to up to two sinks simultaneously, enhancing convenience and efficiency.
Pros
- Instant hot water eliminates long wait times.
- Durable glass-lined material ensures a long service life.
- Easy installation with shelf, wall, or floor mounting options.
- Independent installation capability with a 36-37″ cord.
- Highly efficient with a thermal efficiency of 98%.
Cons
- Requires annual maintenance of the anode rod for optimal performance.
- Limited to 4 gallons, which may not suffice for larger households.
- Price point may be higher compared to traditional water heaters.
The BOSCH Electric Mini-Tank Water Heater is best suited for those seeking a reliable and space-saving hot water solution. While it may require some maintenance, its performance and efficiency make it a valuable addition to any home or small business. Ideal for users prioritizing convenience, this mini-tank heater stands out for its quick recovery rate and durability.
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Faq about Best Small RV Water Heater:
1:What is the best small RV water heater?
The best small RV water heater varies by needs, but popular options include the Suburban SW6D and Atwood G6A-8E for their efficiency and reliability.
2:How do I choose a small RV water heater?
Consider factors like tank size, heating method (gas or electric), recovery rate, and energy efficiency when choosing a small RV water heater.
3:What size water heater do I need for my RV?
A 6-gallon water heater is typically sufficient for most RVs, but larger families or frequent use may require an 8-gallon model.
4:Are small RV water heaters energy efficient?
Many small RV water heaters are designed for energy efficiency, especially electric models, which can reduce overall energy consumption.
5:Can I install a small RV water heater myself?
Yes, many RV water heaters can be installed by DIY enthusiasts, but professional installation is recommended for complex systems.
6:How long does it take to heat water in a small RV water heater?
Heating time varies by model; typically, it takes 10 to 20 minutes to heat water, depending on the heater’s power and tank size.
Conclusion
In evaluating the premier options for compact recreational vehicle water heating, the Suburban Tankless 60,000 BTU Water Heater emerges as a paragon of efficiency and performance, delivering instantaneous hot water on demand. This model is particularly lauded for its robust output and energy conservation, making it an ideal choice for avid travelers seeking reliability.
Conversely, the Suburban Advantage 6 Gallon RV Water Heater offers a commendable balance of capacity and affordability, catering to those who prefer a traditional tank system. Its user-friendly design and dependable heating capabilities ensure a satisfactory experience for users, solidifying its reputation in the market.