When it comes to traveling in your trailer, having a reliable source of hot water can make a world of difference. You’ll want a tankless water heater that meets your needs for efficiency and performance. With so many options available, finding the right fit can be overwhelming. In this guide, we’ll break down ten of the best models for 2025, ensuring you make an informed choice for your next adventure. Let’s explore what’s out there.
Rheem 18kW 240V Tankless Electric Water Heater, Gray
If you’re looking for an efficient hot water solution for your travel trailer, the Rheem 18kW 240V Tankless Electric Water Heater is a standout choice. This compact heater, measuring just 14.5W x 18.25H inches, mounts easily on walls, saving valuable space. With a flow rate of up to 4.4 GPM and a maximum temperature of 140°F, it delivers hot water on demand. Its impressive 99.8% efficiency means you’ll save on energy bills. Plus, the external digital thermostat guarantees precise temperature control. With durable construction and self-modulation technology, you’ll enjoy reliable performance for all your travel needs.
Best For: Those seeking an energy-efficient, space-saving hot water solution for their travel trailer or small living spaces.
Pros:
- Compact design allows for easy wall mounting and saves space.
- High efficiency rating of 99.8% reduces energy bills significantly.
- On-demand hot water delivery with a flow rate of up to 4.4 GPM.
Cons:
- Requires a 240V electrical supply, which may limit installation options.
- Initial installation cost can be higher compared to traditional tank heaters.
- May not provide enough hot water for simultaneous multiple uses in larger households.
RV Tankless Water Heater, On Demand Instant Propane Gas
The RV Tankless Water Heater, designed for on-demand instant propane gas, is ideal for campers and RV enthusiasts who value convenience and efficiency. With a compact size and powerful 55,000 BTUs, it delivers hot water at 3.9 GPM, reaching 124°F in just 25 seconds. You’ll enjoy endless hot water for showers, both indoors and outdoors, thanks to its dual outlets and included shower head kit. Plus, its high-efficiency technology cuts propane use by up to 40%. Safety features like overheat and flame failure protection guarantee peace of mind. Installation is straightforward, making it a perfect addition to your RV setup.
Best For: RV owners and campers looking for an efficient, on-demand hot water solution with advanced safety features.
Pros:
- Endless hot water for multiple showers without the need for preheating.
- Energy-efficient with up to 40% reduced propane consumption using advanced heating technology.
- Comprehensive safety features including overheat and flame failure protection for peace of mind.
Cons:
- Requires a 12V DC power connection and proper ventilation for installation.
- Installation may require professional help for those unfamiliar with RV setups.
- Limited temperature range may not suit all users’ preferences for hot water.
Ranein 65,000 BTU RV Tankless Water Heater
For RV enthusiasts seeking a reliable and efficient hot water solution, the Ranein 65,000 BTU RV Tankless Water Heater stands out with its impressive heating capacity of up to 3.9 gallons per minute. This on-demand heater is compatible with all RVs and features a CSA certification for safety. With a temperature range of 95°F to 124°F, it guarantees peak comfort. The built-in forced exhaust fan and automatic gas shut-off enhance safety, while the anti-freeze device protects against cold weather. Plus, the multi-function remote control keeps you informed about gas usage and system status. Enjoy endless hot water with this top-rated choice!
Best For: RV owners looking for an efficient, on-demand hot water solution that provides consistent temperatures and safety features.
Pros:
- High heating capacity: Produces up to 3.9 gallons per minute, ensuring ample hot water supply.
- Safety features: Includes an automatic gas shut-off and anti-freeze device for enhanced reliability.
- Remote control: Multi-function controller provides real-time information on gas usage and system status.
Cons:
- Weight: At 15.5 pounds, it may be heavier than some traditional water heaters.
- Door installation: Requires a fitting door kit that is sold separately, potentially increasing initial setup costs.
- Temperature range: Maximum temperature of 124°F may not be sufficient for all users’ preferences.
RV Tankless Water Heater (55,000 BTU)
Traveling in an RV means having the convenience of instant hot water at your fingertips, and the OEVANT RV Tankless Water Heater with a powerful 55,000 BTU output delivers just that. This compact unit heats water to 51°C in under 25 seconds, ensuring you enjoy a revitalizing shower without waiting. With a maximum flow rate of 3.9 gallons per minute and an intelligent thermostat, temperature adjustments are effortless. Plus, safety features like anti-freeze protection and automatic gas shut-off provide peace of mind. Weighing only 30.5 pounds, it’s perfect for all RVs and campers, making every adventure more enjoyable.
Best For: RV enthusiasts and campers looking for an efficient, compact, and reliable instant hot water solution.
Pros:
- Instant hot water supply in under 25 seconds, enhancing convenience during travels.
- High flow rate of 3.9 gallons per minute ensures a satisfying shower experience.
- Multiple safety features, including anti-freeze and overheat protection, provide peace of mind.
Cons:
- Weighing 30.5 pounds may be heavy for some users, particularly in smaller RVs.
- Requires proper installation and setup, which may be challenging for some users.
- Limited warranty period of 30 days may not provide sufficient coverage for long-term use.
GIRARD Tankless RV Water Heater (2022107534)
Designed with RV enthusiasts in mind, the GIRARD Tankless RV Water Heater (2022107534) delivers an impressive 42,000 BTUs of heating power while consuming half the LP gas of traditional six-gallon tank heaters. Its brushless motor operates quietly, using less than three amps for nearly noiseless performance. The onboard microprocessor guarantees consistent water temperature and flow, eliminating cold spots and scalding risks. You can easily adjust the temperature between 95 to 124°F via a digital control panel, which also shows continuous temperature readings and error codes for troubleshooting. For best results, professional installation is strongly recommended.
Best For: RV enthusiasts looking for an efficient and reliable water heating solution that maximizes space and minimizes gas usage.
Pros:
- High Efficiency: Consumes half the LP gas compared to traditional six-gallon tank heaters while delivering the same amount of hot water.
- Quiet Operation: Brushless motor operates at less than three amps, ensuring nearly noiseless performance.
- Advanced Temperature Control: Onboard microprocessor maintains steady water flow and constant temperature, preventing cold spots and scalding.
Cons:
- Professional Installation Recommended: Installation may require a professional, which could add to the overall cost.
- Dependent on Power Supply: Requires a 12V power source, which may not be available in all RVs.
- Cost: Higher initial investment compared to traditional tank water heaters.
Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater
If you’re looking for a compact and efficient solution for hot water while camping or enjoying the great outdoors, the Eccotemp L5 Portable Outdoor Tankless Water Heater is an excellent choice. With a flow rate of 1.5 GPM and a temperature range of 50 to 140 degrees Fahrenheit, it delivers consistent hot water for various activities like outdoor showers and washing pets. Weighing just 11.2 pounds and powered by a standard 20 lb propane tank, it’s easy to transport and set up. Plus, its automatic shut-off feature guarantees safety, making it a reliable companion for your adventures.
Best For: Outdoor enthusiasts and campers who need a portable and efficient hot water solution during their adventures.
Pros:
- High flow rate of 1.5 GPM provides consistent hot water for various outdoor activities.
- Lightweight and compact design makes it easy to transport and set up anywhere.
- Safety features, including automatic shut-off, enhance reliability during use.
Cons:
- Requires a standard 20 lb propane tank, which may need to be refilled frequently.
- Limited to outdoor use; not suitable for indoor applications due to venting needs.
- Flow rate may be insufficient for larger groups or more demanding hot water needs.
VEVOR RV Tankless Water Heater for Instant Showers
For those who crave instant hot showers while on the road, the VEVOR RV Tankless Water Heater is an ideal solution. With a powerful 55,000 BTU heat output, it delivers hot water quickly for showers and dishwashing. This unit adapts to seasonal changes, ensuring comfortable temperatures year-round while saving energy during summer. Its LED smart display and touch controls make temperature adjustments a breeze. Weighing 25.8 pounds and designed for easy installation, it fits various RVs. Plus, with a solid customer rating of 3.9 stars, you can trust VEVOR for reliable performance on your travels.
Best For: RV owners seeking an efficient and compact solution for instant hot showers while traveling.
Pros:
- Rapid heating capability: Provides quick access to hot water for showering and dishwashing.
- Energy-saving features: Adjusts water temperature seasonally, preventing excessive heat during summer.
- User-friendly controls: Equipped with an LED smart display and touch controls for easy operation.
Cons:
- Weight: At 25.8 pounds, it may be heavier than some alternative models.
- Customer ratings: A rating of 3.9 out of 5 stars may indicate mixed reviews from some users.
- Installation compatibility: Requires specific rear chamber dimensions, limiting compatibility with some RVs.
RV Tankless Water Heater, 55,000 BTU Propane
The RV Tankless Water Heater with 55,000 BTU is perfect for avid travelers who value instant hot water on the go. With a maximum flow rate of 2.9 GPM, you’ll enjoy multiple showers without the lengthy preheating wait. This unit’s adjustable temperature range from 95°F to 123°F guarantees comfort for everyone. Safety features like automatic gas shut-off and anti-freeze protection keep you secure while using it. Installation is a breeze, fitting most RVs with a 15 x 15 door. Plus, you’ll appreciate the 2-year warranty and 24/7 customer support for any questions that arise. Enjoy endless hot water during your adventures!
Best For: Avid travelers and RV owners who prioritize instant hot water during their adventures.
Pros:
- Instant hot water supply allows for multiple showers without the need for preheating.
- Safety features such as automatic gas shut-off and anti-freeze protection ensure secure usage.
- Easy installation compatibility with most RVs makes setup hassle-free.
Cons:
- Requires a specific door size (15 x 15 inches) for installation, which may not fit all RVs.
- Customer reviews indicate mixed satisfaction with performance (3.6 out of 5 stars).
- Relatively heavy unit (31.6 pounds) may be cumbersome for some users to handle.
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T (2.5-Gallon)
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T (2.5-Gallon) is ideal for those seeking a compact and efficient hot water solution for travel trailers. This 2.5-gallon unit fits perfectly under sinks, providing hot water on demand with a 98% efficiency rating. Weighing only 15.5 pounds, you can easily mount it on a shelf, wall, or floor. Its 1440-watt power guarantees a fast recovery rate, serving up to two sinks simultaneously. With simple temperature control and built-in safety features, it assures peace of mind. Plus, Bosch offers a 1-year warranty and great customer service for any concerns.
Best For: Those seeking a compact and efficient hot water solution for small spaces or travel trailers.
Pros:
- Space-saving design: Fits conveniently under sinks and can be mounted in various ways.
- High efficiency: Operates at 98% efficiency, providing hot water on demand.
- Fast recovery rate: Supplies hot water to up to two sinks simultaneously, reducing wait times.
Cons:
- Limited capacity: With only 2.5 gallons, it may not be sufficient for larger households.
- Requires 120-volt outlet: Installation may be limited by electrical outlet availability.
- 1-year warranty: Some users may prefer a longer warranty period for peace of mind.
Poukaran 65,000 BTU RV Tankless Water Heater
Designed specifically for RV enthusiasts, the Poukaran 65,000 BTU RV Tankless Water Heater delivers on-demand hot water, making it an ideal choice for those who enjoy camping and travel. With its compact dimensions of 15 x 15 inches and a weight of just 29.6 pounds, it fits seamlessly into all RVs. The adjustable temperature range from 95°F to 123°F guarantees comfort, while the oxygen-free copper heat exchanger provides efficient heating. Safety features like automatic gas shut-off and freeze protection enhance reliability. Plus, with a 24-month warranty, you can trust that it’s built to last during your adventures.
Best For: RV enthusiasts who seek a reliable and efficient on-demand hot water solution for camping and travel.
Pros:
- Compact design (15 x 15 inches) makes it easy to install in any RV.
- High heating capacity (65,000 BTU) ensures quick access to hot water.
- Multiple safety features like freeze protection and automatic gas shut-off enhance user reliability.
Cons:
- Weighing 29.6 pounds, it may be heavier compared to some other portable water heaters.
- Limited to a temperature range between 95°F and 123°F, which may not meet all users’ preferences.
- Customer rating of 4.2 out of 5 stars indicates mixed reviews, suggesting some potential issues.
Factors to Consider When Choosing Tankless Water Heaters for Travel Trailers
When choosing a tankless water heater for your travel trailer, you’ll want to take into account several key factors. Flow rate, energy efficiency, and installation requirements can greatly impact your experience on the road. Additionally, make sure to check safety features and compatibility with your specific RV model for a seamless setup.
Flow Rate Considerations
Choosing the right flow rate for a tankless water heater in your travel trailer is essential, especially if you anticipate multiple hot water needs at once. The flow rate, measured in gallons per minute (GPM), indicates how much hot water can be delivered simultaneously. Many travel trailer units offer flow rates between 2.9 GPM and 4.4 GPM, so it’s vital to match the heater’s capacity with your usage. For example, if you expect to run two showers and a kitchen sink at the same time, you’ll need a heater with at least a 5.5 GPM flow rate. Remember, colder inlet water can lower the effective GPM, especially in colder climates, so factor that into your calculations as well.
Energy Efficiency Ratings
Understanding energy efficiency ratings is key to making a smart choice for your tankless water heater in a travel trailer. These ratings, typically expressed as a percentage, show how effectively a unit converts energy into hot water, with many models achieving efficiencies between 85% and 99.8%. Higher efficiency means lower operating costs, helping you save on utility bills. Look for models with a self-modulation feature, as they adjust power usage based on hot water demand, enhancing efficiency. Additionally, consider the Energy Factor (EF) rating, which combines efficiency and hot water output. Keep in mind the flow rate as well; while a higher flow rate may require more energy, it can also provide greater convenience for simultaneous uses.
Installation Requirements
Installing a tankless water heater in your travel trailer involves several important factors that can greatly impact performance and safety. First, verify your chosen model matches your power source; propane models typically need a 12V DC connection, while electric models require a 240V outlet. Proper ventilation is vital for propane units to safely expel combustion gases, potentially complicating installation. Additionally, select an installation location that allows easy access to water and gas connections while complying with local codes regarding clearances. Some models may also require a compatible door kit, which varies in size. To confirm safety and compliance with standards, consider having a professional handle the installation, preventing potential issues with gas lines or electrical connections.
Safety Features Overview
When it comes to tankless water heaters for travel trailers, safety features play an essential role in ensuring reliable operation. Look for models that include automatic gas shut-off systems, which prevent accidents in case of flame failure. Advanced mechanisms like anti-freeze protection and dry combustion protection are crucial for safe use in varying conditions. Overheat protection is another must-have, automatically shutting off the heater if temperatures exceed safe limits, helping to prevent scalding. It’s also wise to choose units with CSA certification, as this indicates they meet established safety standards. Finally, consider heaters with integrated error code indicators that alert you to potential issues, promoting timely maintenance and enhancing overall safety.
Compatibility With RVS
Choosing the right tankless water heater for your travel trailer requires careful consideration of compatibility with your RV’s specific requirements. First, verify it matches your RV’s electrical system, typically 12V DC. Next, check the dimensions; standard units usually fit within a 15 x 15 inches space. Safety is vital, so look for models with certifications like CSA that confirm compliance with RV standards. Don’t overlook flow rate; you’ll want a unit that can handle multiple showers or appliances simultaneously, ideally between 2.9 GPM to 4.4 GPM. Finally, consider the heater’s weight and mounting type to guarantee it can be securely installed, maintaining stability and performance while you’re on the road.
