Finding the best RV tankless water heater propane involves balancing power, size, ease of installation, and reliability. The FOGATTI InstaShower 9 Pro stands out for its high capacity of 66,000 BTU, ideal for larger families or frequent use. For those seeking a solid all-rounder, the CAMMOO 65,000 BTU offers great performance with dual water outlets and CSA certification. Budget-conscious buyers should consider models like the RV Tankless Water Heater, 55,000 BTU, which delivers reliable performance at a lower price point. Keep in mind, tradeoffs often include size, installation complexity, and heating capacity. Continue reading for a full breakdown of the best options and what factors matter most in your choice.
Key Takeaways
- High BTU ratings generally correlate with better hot water flow and faster heating, but also mean larger units and higher energy consumption.
- CSA certification is a key indicator of safety and quality, especially important for propane-powered appliances used in confined spaces.
- Models with remote controls and dual outlets provide increased convenience and versatility, appealing to larger families or frequent campers.
- Installation complexity varies significantly; some units are designed for retrofit, while others require professional setup.
- Price differences reflect build quality, capacity, features, and certifications—higher costs often lead to more durable and feature-rich options.
More Details on Our Top Picks
FOGATTI RV Tankless Water Heater InstaShower 7, 3 Optional Door Sizes 15″x15″, 15″x18″ & 18″x18″ for Refitment, 12V DC, Optimized Summer Comfort Performance, Ideal for RVers’ Family Use, Gen 3
This model stands out for its flexible installation options with three door sizes, making it ideal for refitting existing RV water systems. Compared to the RV Tankless Water Heater, 55,000 BTU, it offers a higher heat output and staged combustion tech to maintain consistent temperatures, even at high altitudes up to 9,800 feet. Its staged combustion technology and anti-scald protection deliver safer, more reliable operation, especially in variable weather. However, installation requires selecting the correct door size, which may involve additional purchase, and some users find the remote control’s length limiting. The high-altitude adaptability makes it better suited for mountain RVers. Tradeoffs include higher complexity in refit and a need for precise installation. Overall, this heater is perfect for families needing flexible retrofit options in varied elevation conditions.Pros:- Multiple door size options for flexible installation
- Excellent high-altitude performance up to 9,800 ft
- Staged combustion technology for consistent temperature
Cons:- Requires careful selection of door size for proper fit
- Remote control cord length can be restrictive
Best for: RVers planning to retrofit or upgrade their existing water heater with high-altitude use in mind.
Not ideal for: Casual campers who want a straightforward plug-and-play solution without custom installation steps.
- BTU Output:48,000 BTU
- Flow Rate:2.5 GPM
- Installation Size:15″x15″ / 15″x18″ / 18″x18″
- Altitude Capability:Up to 9,800 ft
- Power Supply:12V DC
- Protection Features:Anti-scald, anti-freeze, auto shutoff
Bottom line: This pick is ideal for RV owners needing a versatile, high-performance heater that handles elevation changes well.
RV Tankless Water Heater, 61,000 BTU On Demand Instant Propane Gas RV Tankless Hot Water Heater with White Door and Remote, 3.9 GPM, 12V，Multi-Protection for RVers’ Everyday Use
This heater makes the list for its robust 61,000 BTU output, providing ample hot water even in cold weather, surpassing some models like the RV Tankless Water Heater 60,000 BTU. Its high efficiency—using roughly 88% less energy than traditional tank heaters—makes it attractive for those conscious of propane consumption. The stainless steel construction and built-in oxygen-free copper tank bolster durability and corrosion resistance. Its digital remote offers easy temperature control, but some users note that installation can be tricky due to venting requirements and the need for proper ventilation. Compared to the CAMMOO 65000BTU, it offers slightly higher BTU capacity, which benefits larger families or high-demand scenarios. Tradeoffs include more complex setup and potential venting constraints. This heater is best suited for RV owners who prioritize high power and energy savings in diverse climates.Pros:- High 61,000 BTU output for fast hot water
- Energy efficient with 88% less propane use
- Durable stainless steel and copper construction
Cons:- Requires proper ventilation and venting setup
- Installation can be complex and time-consuming
Best for: Large RV families needing high hot water output with energy-efficient operation.
Not ideal for: Campers with limited ventilation space or those seeking simple install without venting considerations.
- BTU Output:61,000 BTU
- Flow Rate:3.9 GPM
- Power Source:Propane
- Voltage:12V DC
- Protection Features:Leakage, overheat, anti-freeze
- Certification:CSA
Bottom line: Ideal for RVers who need high power and efficiency but are prepared for more involved installation.
RV Tankless Water Heater,55,000 BTU RV Instant Water Heater with Remote Controller,16×16 inch Door＆Front Water Outlet,Propane Gas, DC 12V, CSA Certificated,Compatible with All RVs-White
This heater earns a spot for its compact 16×16 inch size, making it a good fit for smaller RVs or limited spaces, unlike bulkier models like the RV Part Pro 60,000 BTU. Its rapid heating—reaching 51°C in less than 25 seconds—appeals to those who want immediate hot water. The advanced staged combustion technology ensures stable temperatures and safety, with features like anti-freeze protection. While installation is straightforward due to clear labeling and plug-and-play wiring, some users report that the control panel wire length is short, requiring careful placement. Compared with the FOGATTI InstaShower 7, it offers slightly lower BTU but compensates with its compactness and quick warm-up. Tradeoffs include a smaller size that limits capacity and the need for precise wiring placement. This model is perfect for solo travelers or small couples with space constraints but demanding fast hot water.Pros:- Compact size fits small RVs
- Fast heating in under 25 seconds
- Stable temperature with staged combustion
Cons:- Lower BTU capacity limits hot water flow in high demand
- Control panel wiring can be short and restrictive
Best for: Solo travelers or small RVs needing quick, reliable hot water in tight spaces.
Not ideal for: Large families or high-demand households requiring multiple simultaneous hot water outlets.
- BTU Output:55,000 BTU
- Flow Rate:3.0 GPM
- Size:16″x16″
- Power Source:Propane
- Voltage:12V DC
- Protection Features:Anti-freeze, flame failure
Bottom line: This heater suits small RVs or solo adventurers who prioritize speed and compactness over capacity.
RV Tankless Water Heater 60,000 BTU, Propane-Powered, with 15″×15″Black Door and Remote Control, 12V DC, Compatible with All RVs
This heater is notable for its high 60,000 BTU output, matching the CAMMOO 65000BTU but with a focus on ease of use thanks to its remote control and straightforward wiring. The built-in pressure relief valve and durable copper/stainless steel construction ensure safety and longevity. It’s particularly suited for RV owners who want reliable, high-performance hot water with minimal fuss, unlike the more complex vented units. Its user-friendly digital panel allows easy temperature adjustments and fault diagnosis. Some users mention the screws holding the cover are round-head, which might require modification for installation. Compared to the RV Part Pro 60,000 BTU, it offers similar power but is more accessible for DIY installation. Tradeoffs include minor assembly issues and a slightly heavier unit. This heater is best for those who want a balance of power, safety, and simplicity.Pros:- High 60,000 BTU output for quick hot water
- Remote control for easy adjustments
- CSA certified with safety features
Cons:- Screws with round heads may need modification
- Installation may require attention to mounting details
Best for: RV travelers seeking high BTU performance with easy operation and installation.
Not ideal for: Campers with very tight space or those needing a lightweight, ultra-compact unit.
- BTU Output:60,000 BTU
- Flow Rate:3.9 GPM
- Size:15″x15″
- Power Source:Propane
- Voltage:12V DC
- Protection Features:Overheat, flame failure, anti-freeze
Bottom line: This heater is suitable for those wanting reliable power with simple, remote-controlled operation.
CAMMOO 65000BTU RV Tankless Water Heater with 15×15 Inch White Door, Dual Water Outlet & Wired Controller, Instant Hot in 3s, 3.9GPM, 12V DC, CSA Certified, Fit All RVs, for RV Families & Campers
This heater earns its place for its high 65,000 BTU output, providing rapid hot water in just 3 seconds, making it ideal for large families or high-demand situations. Its wired controller allows precise temperature adjustments, and the dual water outlets add convenience for outdoor and indoor use. Compared to the RV Tankless Water Heater, 61,000 BTU, it offers slightly higher BTU capacity, delivering more hot water faster and maintaining stable temperatures with its advanced control chip. Its CSA certification and comprehensive safety protections make it a reliable choice for all RV environments, including cold weather and high altitudes. Some users note the size and weight are slightly more than smaller units, so space planning is important. The tradeoff involves higher power consumption due to the increased BTU capacity, but this ensures ample hot water flow for large groups. This unit is perfect for families or groups requiring high performance and precise control.Pros:- High 65,000 BTU for rapid heating
- Dual outlets for versatile outdoor/indoor use
- Fast 3-second hot water delivery
Cons:- Larger footprint and weight
- Higher power draw may impact battery or propane use
Best for: Large RV families or groups needing instant, high-volume hot water with smart temperature management.
Not ideal for: Solo travelers or small RVs where space and power efficiency are more critical than maximum output.
- BTU Output:65,000 BTU
- Flow Rate:3.9 GPM
- Size:15″x15″
- Power Source:Propane
- Voltage:12V DC
- Protection Features:Overheat, flame failure, anti-freeze
Bottom line: This heater is best for large families or groups who prioritize instant hot water and precise control in demanding conditions.
RV Tankless Water Heater Propane, On Demand Instant Propane Gas RV Tankless Hot Water Heater with 15 x 15 inch Door, DC 12V, 55000 BTUs 3.9 GPM, Compatible with All RVs, Campers, CSA Certificated
This model stands out for its ease of replacing existing RV water heaters, making it ideal for owners upgrading their system without extensive modifications. Its constant water temperature and rapid heating (124°F in 25 seconds) ensure a comfortable shower experience, outperforming traditional tank systems that run out quickly. Unlike the FOGATTI InstaShower 8 Plus, it offers staged combustion for better energy savings—up to 40% propane reduction—while maintaining high performance at high altitudes, including 9,800 feet. The comprehensive safety features, including dry burn and overheat protections, provide peace of mind. The included remote control adds convenience, allowing operation from a distance. However, installation complexity can be a challenge for some, and the unit’s size may require careful space planning in smaller RVs. This pick makes the most sense for RV owners seeking a reliable, efficient upgrade with excellent safety features.
Pros:- Seamless replacement for existing units
- Energy-efficient staged combustion technology
- Fast heating with constant temperature
- High-altitude performance up to 9,800 feet
Cons:- Installation can be complex for novices
- Size may be too large for compact RVs
- Requires proper ventilation and exhaust setup
Best for: Owners replacing old RV water heaters who want a high-performance, energy-efficient system with remote operation.
Not ideal for: Small RVs or campers with limited space, where the larger size and installation requirements could be problematic.
- Flow Rate:3.9 GPM
- BTUs:55,000
- Voltage:DC 12V
- Maximum Temperature:124°F
- Heat Output:55,000 BTU/hr
- Maximum Pressure:109 PSI
Bottom line: Ideal for RV owners seeking a reliable, energy-efficient, and easy-to-upgrade tankless water heater with safety features.
ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs
This heater delivers a robust 60,000 BTU of thermal power, making it well-suited for larger families or high-demand situations, surpassing the 55,000 BTU units like the RV Tankless Water Heater Propane (B0DJQFPK8T). Its advanced safety features and CSA certification provide confidence for frequent use, especially on high-altitude trips, including 9,800 feet. The inclusion of a remote control simplifies temperature adjustments, and the high-quality heat exchange system ensures consistent performance. Compared to the FOGATTI InstaShower 8 Plus, it offers a higher BTU rating, meaning quicker hot water delivery for multiple users. Its installation is straightforward, but the larger size might be a concern for tighter spaces. The unit’s durability and safety protections make it an excellent choice for serious RV travelers. This model makes the most sense for families or users with high hot water needs who prioritize safety and high performance.
Pros:- High 60,000 BTU power for quick hot water
- CSA certified with multiple safety protections
- Remote control for easy operation
- Reliable at high altitudes up to 9,800 ft
Cons:- Larger size may limit installation options
- Higher power consumption
- Requires adequate space for mounting
Best for: High-use RV families or campers who need reliable, high-temperature hot water with safety assurances.
Not ideal for: Small or compact RVs with tight space constraints, due to its larger footprint.
- Flow Rate:3.9 GPM
- BTUs:60,000
- Voltage:DC 12V
- Maximum Temperature:124°F
- Heat Output:60,000 BTU/hr
- Maximum Pressure:109 PSI
Bottom line: Best for large RVs or families needing high capacity, quick, and safe hot water with easy control features.
FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15″x15″/15″x18″/18″x18″) for Easy Retrofit, 12V DC, Remote Controller, Propane, Ideal for RV Families & Campers, Gen 3
This model excels in high-altitude environments, supporting up to 9,800 feet with its high-altitude mode, and offers flexible retrofit options with three door sizes—outperforming many in adaptability. Its long-lasting hot water supply (over 40 minutes) outshines units with limited capacity, such as the RV Tankless Water Heater Propane (B0DJQFPK8T). The staged combustion technology helps conserve propane, especially useful during long trips. Its easy retrofit design with three door options makes it a versatile choice for different RV sizes, though the 55,000 BTU output is slightly lower than some competitors, which may mean slightly longer wait times. The built-in safety features and CSA certification add reliability, but some users report installation challenges due to complex plumbing adjustments. This pick is best for RVers who need adaptability, high-altitude performance, and extended hot water duration.
Pros:- Supports high-altitude operation up to 9,800 ft
- Long hot water supply over 40 minutes
- Three retrofit door sizes for flexibility
- CSA certified with multiple safety protections
Cons:- Lower BTU rating than some models (55,000 BTU)
- Complex installation process
- Requires precise plumbing adjustments
Best for: RV owners needing high-altitude operation, retrofit flexibility, and longer hot water duration in their RVs.
Not ideal for: Owners with very limited space where multiple door sizes are not feasible, or who demand the highest BTU output for rapid hot water.
- Flow Rate:2.9 GPM
- BTUs:55,000
- Voltage:DC 12V
- Maximum Temperature:124°F
- Heat Output:55,000 BTU/hr
- Maximum Pressure:109 PSI
Bottom line: Ideal for RVers seeking high-altitude functionality, retrofit versatility, and extended hot water capacity.
RV Tankless Water Heater, 65000 BTU RV Instant Hot Water Heater with 16×16 inch White Door and Remote Controller, DC 12V, CSA Certificated, Propane-Powered, Compatible with all RVs
This model excels in delivering rapid, high-capacity hot water with its 65,000 BTU burner, outperforming units like the RV Tankless Water Heater Propane (B0DJQFPK8T) with its higher BTU rating. Its instant hot water in under 25 seconds and continuous flow make it ideal for large families or those with demanding hot water needs. Its comprehensive safety protections and CSA certification ensure dependable operation, even at high altitudes, including 9,800 feet. The remote control simplifies operation, and its robust construction supports frequent use. The slightly larger 16×16 inch door may require planning for installation, but overall, it’s designed for quick retrofits and straightforward setup. However, the high power output could lead to increased propane consumption, and space requirements may be an issue for smaller RVs. This is best for RVers who prioritize maximum hot water output and rapid response times.
Pros:- High 65,000 BTU for instant, continuous hot water
- Fast heating in under 25 seconds
- CSA certified with safety protections
- Remote control included
Cons:- Larger footprint may limit installation options
- Higher propane consumption due to increased BTU
- Requires ample space for mounting
Best for: Users needing the fastest hot water and highest capacity for large or busy RVs.
Not ideal for: Small or tight spaces in RVs, where larger units or higher power draw could be problematic.
- Flow Rate:3.9 GPM
- BTUs:65,000
- Voltage:DC 12V
- Maximum Temperature:124°F
- Heat Output:65,000 BTU/hr
- Maximum Pressure:109 PSI
Bottom line: Best for RV owners demanding maximum hot water capacity with rapid delivery and safety features.
FOGATTI InstaShower 9 Pro RV Tankless Water Heater, 66,000 BTU (Highest Output), Built-in Mixing Tank, 15×15 Inches Black Door, Remote Controller, Ideal for RVers’ Everyday Use, Gen 3
The FOGATTI InstaShower 9 Pro stands out for its impressive 66,000 BTU output, making it the most powerful option among RV tankless water heaters. Compared with models like the RV Tankless Water Heater, 61,000 BTU, this unit offers a higher flow rate—up to 3.6 GPM—which allows multiple fixtures to operate simultaneously without sacrificing hot water. Its built-in mixing tank and precise temperature control (+/-1°F) provide consistent comfort, even at high altitudes of nearly 10,000 feet. While the robust heat output is a major advantage, this heater’s size and higher price make it less suitable for smaller RVs or budget-conscious owners. The included remote control and safety features, such as anti-freeze protection, add convenience and reliability. However, its higher power consumption and installation complexity are tradeoffs to consider. This unit is perfect for full-time RVers or large groups needing reliable, high-volume hot water.
Pros:- High 66,000 BTU output for excellent hot water flow
- Allows simultaneous use of bathroom and kitchen fixtures
- Includes remote control for easy temperature management
- Operates well at high altitudes up to 9,800 feet
Cons:- Larger physical size may not fit compact RVs
- Higher energy consumption and installation complexity
- Priced higher than lower-capacity models
Best for: RVers who prioritize high capacity, quick hot water, and multiple simultaneous uses
Not ideal for: Small RV owners or those seeking an affordable, space-saving option due to its size and cost
- BTU:66,000
- Flow Rate:3.6 GPM
- Temperature Range:up to 123°F
- Power Source:Liquid Propane
- Dimensions:15″W x 15″H
- Weight:30.9 pounds
- Efficiency:High
- Maximum Pressure:150 PSI
Bottom line: This heater is best suited for RV owners who need maximum hot water capacity and are ready for a more complex installation.
How We Picked
Products were selected based on their performance, safety certifications, ease of installation, and user-reported reliability. We prioritized models with higher BTU ratings for more powerful hot water output, along with certifications like CSA to ensure safety. Usability features such as remote control and dual outlets were also considered, as they enhance convenience. The ranking reflects a balance between performance, price, and versatility, helping buyers find options suited for different needs and budgets.Factors to Consider When Choosing Best RV Tankless Water Heater Propane
Choosing the right RV tankless water heater propane involves understanding key factors that influence performance, safety, and compatibility. Beyond specs, it’s important to consider how your specific RV setup and usage patterns align with each model’s features. Making an informed decision can prevent costly mistakes and ensure reliable hot water during your travels.Heating Capacity and BTU Ratings
BTU ratings determine how quickly and effectively a water heater can deliver hot water. Higher BTU units are better suited for larger families or high-demand scenarios, providing faster recovery times. However, they also tend to be larger and consume more propane, which might impact your RV’s storage and fuel efficiency. Smaller units are more compact and economical but may struggle to meet heavy usage needs, leading to longer waits for hot water.
Size, Installation, and Retrofit Compatibility
Size matters when fitting a water heater into your RV’s limited space. Some models are designed for easy retrofit with standard door sizes, simplifying installation. Others may require custom mounting or professional setup, adding to costs. Consider your RV’s configuration and whether you need a unit that can replace an existing heater or a new installation that fits seamlessly into your setup. Proper sizing and compatibility are key to avoiding installation headaches and ensuring reliable operation.
Safety Certifications and Features
Safety certifications like CSA are vital indicators of a unit’s compliance with industry standards, especially for propane appliances. Features such as automatic shutoff, overheat protection, and reliable ventilation help prevent accidents. Always verify that the model you select has appropriate safety measures, as propane systems pose risks if not properly certified or maintained. Investing in certified models also offers peace of mind and better resale value.
Ease of Use and Convenience Features
Convenience features such as remote controls, digital displays, and dual water outlets can significantly enhance your experience. Remote operation allows you to control hot water settings from a distance, which is especially helpful in RV setups. Dual outlets enable simultaneous hot water use in multiple fixtures, reducing wait times. Weigh these features against potential added costs and complexity, and consider your comfort preferences when selecting a model.
Cost, Value, and Long-term Durability
While higher-priced units often offer better durability, more features, and higher BTU ratings, they aren’t necessarily the best choice for every budget. Look for models with good build quality, strong warranties, and positive user reviews to gauge long-term reliability. Balance initial costs with anticipated lifespan and maintenance needs to maximize your investment. Remember, a cheaper unit may save money upfront but could lead to higher repair costs or shorter lifespan over time.
Frequently Asked Questions
How do I know if a propane tankless water heater will work with my RV’s size?
To determine compatibility, check your RV’s total space, existing plumbing connections, and available propane supply. Higher BTU units often require more space and a robust propane tank setup. Measure your current setup and compare it with the unit’s dimensions and installation requirements. Consulting your RV manufacturer’s specifications or a professional installer can help confirm whether a specific model suits your RV’s size and capacity needs.
Are propane tankless water heaters safe for RV use?
Yes, propane tankless water heaters are designed for RV applications when they are CSA certified and installed correctly. These certifications ensure the units meet safety standards for propane appliances, including proper ventilation and shutoff features. Regular maintenance and professional installation are essential to maintain safety and performance, especially in confined spaces. Always follow manufacturer guidelines and local codes for safe operation.
What maintenance does a propane RV tankless water heater require?
Routine maintenance includes flushing the system to prevent mineral buildup, checking for leaks, and inspecting venting. Some units have self-diagnostic features that alert you to issues, while others require manual checks. Regularly inspecting connections and replacing worn parts prolongs the lifespan and prevents safety hazards. Following the manufacturer’s maintenance schedule ensures consistent hot water and safe operation over years of use.
Is a higher BTU rating always better for RV hot water needs?
Not necessarily. While higher BTU ratings provide faster hot water recovery and greater flow rates, they also consume more propane and may require larger installation space. For small RVs or infrequent use, a lower BTU unit may suffice and save energy. Assess your typical water demand and space constraints to choose a unit that balances performance with efficiency.
How does installation complexity affect my choice?
Installation complexity varies widely; some units are designed for quick retrofit with minimal plumbing modifications, while others may need custom mounting and venting solutions. Professional installation ensures safety and optimal performance, especially for high BTU models requiring proper venting and propane connections. Consider your DIY skills and budget when evaluating models, and prioritize units with clear installation instructions if you plan to do it yourself.
