The best RV tankless propane water heater delivers on-demand hot water for adventurers needing reliable comfort. Choosing the right one ensures you never face a cold shower, whether you’re in a remote campsite or navigating busy campgrounds. Variations in ignition types, flow rates, and installation complexity mean a wrong selection can lead to frustrating performance and wasted investment.
Some models may struggle with fluctuating temperatures or provide insufficient pressure, impacting your entire experience. To help you find the perfect unit for your nomadic lifestyle, we’ve curated a list of the top systems.
Explore these premium options to elevate your RV journeys with consistent, hot water.
The best RV tankless propane water heater offers consistent, on-demand hot water, with models like the Furrion RV Tankless Gas 60,000 BTU Water Heater and the ORBEK RV Tankless Water Heater delivering 60,000 BTU for efficient heating. Key features to consider include high BTU output for robust performance, even in colder ambient temperatures, and flow rate capabilities up to 3.9 GPM.
Best RV Tankless Propane Water Heater: Top Picks at a Glance
| Image | Product | Buy |
|---|---|---|
Best Pick 1  | GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Best for: Quiet operation | Check Price |
Best Pick 2  | APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Best for: High BTU output | Check Price |
Best Pick 3  | ORBEK RV Tankless Water Heater, Ideal for RV Families & Best for: Family campers | Check Price |
Best Pick 4  | RV Tankless Water Heater, Propane-Powered, with 15″×15″Black Door and Remote Best for: Customizable setup | Check Price |
Best Pick 5  | Furrion® RV Tankless Gas 60,000 BTU Water Heater – 16.14″ Best for: Powerful heating | Check Price |
How We Picked
To determine the best rv tankless propane water heater, we prioritized build quality, real-world performance, safety, durability, and standout features that matter to RV owners. We focused on units offering robust BTU outputs like the APUS at 68,000 or Furrion at 60,000 BTU, ensuring ample hot water. Models with advanced heating efficiency and consistent temperature control, like the Gen II Ranein, were highly valued.
We ruled out units with questionable safety certifications or those lacking features critical for extended use, valuing dependable, on-demand heating for every adventure.
What Most Buyers Get Wrong
BTU: The True Measure of RV Hot Water Power
When choosing a tankless RV water heater, BTUs (British Thermal Units) are your primary indicator of heating power. Higher BTU ratings mean faster heating and the ability to maintain hot water even with multiple fixtures running. For instance, the APUS RV heater boasts a mighty 68,000 BTUs, while models like the ORBEK and RVPart Pro hover around 60,000 BTUs.
Consider your typical usage; for families or those who enjoy long showers, prioritizing a higher BTU rating, such as those found in the APUS or Gen II Ranein 65,000 BTU models, is crucial for preventing lukewarm surprises.
Flow Rate and GPM: What You Get Instantly
Don’t just look at BTU; flow rate, measured in gallons per minute (GPM), dictates how much hot water you can actually use simultaneously. A 60,000 BTU heater from ORBEK or RVPart Pro might offer 3.5-3.9 GPM, which is ample for a single shower. However, if you need to run a faucet while someone showers, a higher GPM becomes vital.
The APUS RV and the 65,000 BTU dual-outlet model claim up to 3.9 GPM, offering a more robust experience for shared use, ensuring you’re not compromising the flow for one task to enable another.
1. GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet
Best for: Quiet operation for peaceful campers.
With 42,000 BTUs and a 12V brushless motor, this Girard tankless water heater delivers quiet, powerful hot water. Its onboard microprocessor monitors and regulates temperature, ensuring a steady flow that prevents cold spots during your RV adventures.
This unit operates at less than three amps, providing a nearly noiseless experience. The microprocessor actively manages incoming and outgoing water temperatures, flow rate, and burner output. It continuously adjusts to maintain your desired temperature setting up to 124°F, providing consistent comfort.
Pros
- 42,000 BTUs for robust heating
- Quiet brushless motor operation
- Onboard microprocessor for temperature consistency
- 12V power draw under 3 amps
Cons
- Lower flow rate (1.5 GPM) limits simultaneous use compared to higher-end models.
Ideal for RV owners who prioritize a peaceful atmosphere and consistent hot water. This heater is well-suited for individuals or couples who need reliable on-demand heating without disruptive noise.
2. APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On
Best for: High flow for busy RV families.
The APUS RV Tankless Water Heater boasts an impressive 68,000 BTU output, capable of delivering 3.9 GPM of hot water. This rapid flow rate ensures ample hot water for simultaneous use, like showering while someone washes dishes, without interruption.
With dimensions of 14.96 x 14.96 x 14.18 inches, its compact design fits into RVs easily. This unit features integrated protections against freezing, dry combustion, and flame failure, offering robust performance and safety for continuous operation up to 124°F.
Pros
- High 68,000 BTU output
- Generous 3.9 GPM flow rate
- Multiple safety protections included
- Compact installation size
Cons
- Requires 12V DC power, in addition to propane.
Perfect for larger families or groups in RVs who need to maximize hot water availability. This heater is designed for continuous use scenarios, from long showers to busy kitchen duty.
3. ORBEK RV Tankless Water Heater, Ideal for RV Families &
Best for: Reliable heating for active RV families.
ORBEK’s tankless water heater offers a substantial 60,000 BTU heat output, ideal for meeting the demands of RV families. Its burner activates only when hot water is needed, conserving energy while ensuring instant hot water for all your needs.
This unit provides a flow rate of 3.5 GPM and maintains adjustable temperatures between 95°F and 123°F. It’s equipped with anti-freezing protection and is CSA certified, ensuring safe and reliable operation even in cooler climates or challenging conditions.
Pros
- Significant 60,000 BTU heating power
- 3.5 GPM flow rate supports multiple uses
- Energy-saving on-demand ignition
- Anti-freezing protection
Cons
- Maximum temperature is 123°F, slightly lower than some competing models.
Excellent for RV families who require consistent hot water for daily tasks and prolonged use. The energy-efficient design makes it a smart choice for extended trips where propane conservation is key.
4. RV Tankless Water Heater, Propane-Powered, with 15″×15″Black Door and Remote
Best for: On-demand hot water with remote control.
This propane-powered RV tankless water heater delivers 60,000 BTU of on-demand heating, ensuring instant hot water whenever you turn the tap. The included 15″x15″ black door makes for a sleek integration and easy access.
It provides adjustable temperatures from 95°F to 123°F and is equipped with anti-freezing protection for year-round use. This unit is CSA certified and includes features like 24/7 customer support, ensuring reliability and easy access to assistance if needed.
Pros
- 60,000 BTU heating capacity
- On-demand operation conserves energy
- CSA certified for safety
- Includes remote for convenience
Cons
- Flow rate is not specified, potentially limiting simultaneous heavy use.
Suited for RV owners who appreciate convenience and need reliable on-demand hot water. The integrated door and remote control add a layer of user-friendliness for installation and operation.
5. Furrion® RV Tankless Gas 60,000 BTU Water Heater – 16.14″
Best for: Consistent temperature for RV showers.
The Furrion® RV Tankless Gas Water Heater offers 60,000 BTU heating power with a 2.4 GPM capacity, delivering hot water on demand at consistent temperatures. Its Vortex technology uses dual sensors to automatically regulate and maintain your desired heat level.
Even in ambient temperatures as low as 32°F, this heater maintains steady temperatures. Overheat protection is built-in, with dual sensors that shut off power if temperature limits are exceeded, ensuring safety. It’s designed for easy retrofit as a replacement for Suburban water heaters.
Pros
- 60,000 BTU heating power
- Consistent temperature with Vortex technology
- Dual-sensor overheat protection
- Designed for easy retrofit
Cons
- Lower flow rate (2.4 GPM) may not be sufficient for multiple simultaneous demands.
Ideal for RV owners needing dependable hot water with precise temperature control, especially those looking to upgrade from a traditional tank heater. This model suits users who value consistent warmth for their showers.
6. Gen II Ranein On-Demand Propane RV Tankless Water Heater, 15×15
Best for: Efficient heating for extended travel.
The Gen II Ranein On-Demand Propane RV Tankless Water Heater features an advanced deep fire row design for maximum heating efficiency. It delivers consistent hot water, adjustable from 95°F to 124°F, with staged combustion to avoid overheating and save propane.
With a flow rate of 2.9 GPM, it provides ample hot water for daily use. This unit includes anti-freezing protection, dry combustion protection, and an LED display for monitoring. Its design allows for simple installation as a direct replacement for most RV water heaters.
Pros
- High heating efficiency with deep fire row
- Adjustable temperature range (95°F-124°F)
- 2.9 GPM flow rate for good supply
- Includes multiple protection features
Cons
- Heat output of 42,000 BTUs is lower than some competitors, potentially affecting recovery in very cold conditions.
Best for RV travelers who prioritize propane efficiency and consistent performance, even in cooler weather. This heater is a solid choice for those seeking an upgrade to on-demand hot water with robust safety features.
7. FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door
Best for: High-altitude travel & high water pressure.
The FOGATTI InstaShower 8 Plus RV Tankless Water Heater is ready for high altitudes, functioning smoothly up to 9,800 ft. Its staged combustion technology conserves propane by controlling flame size, preventing overheating in summer and ensuring efficient operation.
This heater delivers 55,000 BTUs with an 84% efficiency rating and a flow rate of 2.9 GPM. It can handle maximum pressures up to 150 PSI and includes anti-freezing, dry combustion, low water pressure start-up, and overheat protection for reliable performance.
Pros
- High altitude operation up to 9,800 ft
- 55,000 BTU heat output
- 84% energy efficiency
- Low water pressure start-up
Cons
- Maximum temperature is limited to 123°F.
Ideal for RV adventurers who frequently travel to or camp in mountainous regions. This heater also suits those who need a unit capable of operating under varying water pressure conditions.
8. RV Tankless Water Heater, 65000BTU Dual-Outlet Lockable Instant Camper Hot
Best for: Dual-outlet convenience for campers.
This RV Tankless Water Heater provides an instant hot water supply with up to 65,000 BTU and a 3.9 GPM flow rate, capable of delivering hot water in just 3 seconds. Its dual-outlet design is a practical feature for campers with multiple water needs.
Enjoy an endless supply for showers, dishwashing, and general use; the unit only ignites when needed, saving energy. It features anti-freezing protection, dry combustion protection, and an integrated error code indicator for troubleshooting, with a maximum temperature of 140°F.
Pros
- Powerful 65,000 BTU output
- Fast 3.9 GPM flow rate
- Dual-outlet capability
- Integrated error code indicator
Cons
- Wall mount type may require more extensive installation effort.
Excellent for RV users who need a high-capacity, reliable hot water system with the convenience of dual outlets. This heater is perfect for families and groups with significant hot water demands.
9. ORBEK RV Tankless Water Heater, Propane Gas On-Demand Instant Hot
Best for: High altitude and winter-ready RV heater.
The ORBEK RV Tankless Water Heater utilizes a powerful 60,000 BTU propane system to deliver a stable hot water flow of up to 3.5-3.9 GPM. Designed for RV travel, it offers continuous hot water for all daily needs, including showers and dishwashing.
This unit is built for high altitude use and features anti-freezing and dry combustion protection, along with leak detection. It provides adjustable temperatures between 95°F and 123°F and can handle pressures up to 150 PSI, ensuring consistent performance.
Pros
- 60,000 BTU heating power
- Flow rate up to 3.9 GPM
- High altitude suitability
- Comprehensive protection features
Cons
- Maximum temperature is 123°F.
A robust choice for RV owners who travel to diverse locations, including high altitudes, and require consistent hot water. The long warranty period adds to its appeal for frequent users.
10. Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand
Best for: Powerful flow for simultaneous RV use.
This Gen II Ranein RV Tankless Water Heater features a high-output 65,000 BTU burner that heats water faster and delivers a superior 3.9 GPM flow rate. This enhanced flow means less drop-off when using multiple faucets simultaneously.
With consistent temperatures from 95°F to 124°F and staged combustion, it provides longer, uninterrupted showers. The unit includes anti-freezing, dry combustion, and overheat protection, with an LED display for system monitoring, all within a built-in mount design.
Pros
- High 65,000 BTU heating output
- Strong 3.9 GPM flow rate
- Faster heating and better flow consistency
- Multiple integrated safety features
Cons
- Built-in mount type requires dedicated installation space.
Excellent for motorhomes and larger RVs where multiple water demands often occur at once. This heater is ideal for those who want to ensure robust hot water delivery without interruption, even in cold weather.
BTU vs. GPM: The RV Water Heater Trade-Off
When selecting a best rv tankless propane water heater, prioritize a unit’s BTU output and its specified Gallons Per Minute (GPM) rating, recognizing that these two metrics engage in a fundamental trade-off under typical RV usage scenarios.
While a higher BTU output, such as the 68,000 BTUs offered by the APUS RV Tankless Water Heater or the 60,000 BTUs of the ORBEK RV Tankless Water Heater and the Furrion® RV Tankless Gas 60,000 BTU Water Heater, indicates greater heating power, it is the GPM that dictates how many fixtures can run simultaneously at a satisfactory temperature. For instance, the APUS and several other models advertise a robust 3.9 GPM, suggesting they can keep up with simultaneous showers and sink use better than a model with a lower GPM, even if that model boasts a comparable or even higher BTU rating. The GIRARD Tankless RV Water Heater, at 42,000 BTUs, is positioned with a focus on quieter operation and 12V power efficiency, implying a different design philosophy than the high-BTU, high-flow units.
The mistake many buyers make is focusing solely on the BTU number as a proxy for overall performance. A unit like the ORBEK RV Tankless Water Heater Ideal for RV Families & (also listed as ORBEK RV Tankless Water Heater, Propane Gas On-Demand Instant Hot) or the RV Tankless Water Heater, Propane-Powered, with 15×15Black Door and Remote, touting 60,000 BTUs, might be excellent, but its practical utility for a family of four demanding simultaneous hot water will be directly capped by its GPM. If that GPM is only 2.5, two simultaneous users will quickly find temperatures dropping, regardless of the raw heating power.
Consider the FOGATTI InstaShower 8 Plus RV Tankless Water Heater, which highlights its high-altitude suitability. This is a critical specialty feature, but its core performance, like all units, still comes down to its BTU and GPM balance. For those who frequently camp in colder climates or require consistent temperature even with ambient air temperature drops, models like the Gen II Ranein On-Demand Propane RV Tankless Water Heater and the Gen II Ranein RV Tankless Water Heater 65,000 BTU, which mention consistent hot water in cold winter conditions, should be prioritized, as their engineering likely accounts for more significant temperature differentials.
Ultimately, for families prioritizing multiple simultaneous hot water needs over raw power, the RV Tankless Water Heater, 65000BTU Dual-Outlet Lockable Instant Camper Hot, with its 3.9 GPM, represents a well-balanced choice.
What to Look For in a Best RV Tankless Propane Water Heater
Flow rate and heating capacity
When selecting an RV tankless propane water heater, prioritize a flow rate of at least 2.5 GPM for comfortable simultaneous use of two fixtures, such as a shower and sink. Look for models with a robust temperature rise capability, capable of increasing water temperature by 45°F to 70°F even in colder climates. A unit rated for 2.5 GPM with a 70°F rise at its maximum burner input is ideal for most RV needs, ensuring consistent hot water even when multiple faucets are running.
Choose models offering 2.5 GPM or higher for optimal performance and satisfaction.
Ignition and power source
Your tankless water heater’s ignition and power source are critical for reliable operation. Opt for electronic ignition systems powered by a 12V RV system for consistent spark and efficiency, eliminating the need for constant battery replacement. A high propane burner input, typically 50,000 BTU/hr or more, guarantees rapid water heating and sufficient capacity for demand.
Ensure the unit features standard propane connections compatible with your RV’s existing propane tanks for a seamless integration. A 12V electronic ignition with a 50,000 BTU/hr burner input is the professional standard for RV applications.
Installation and space requirements
Consider the physical footprint and venting requirements for a clean and safe installation. Compact units with horizontal venting are generally easier to install in tight RV spaces and offer greater flexibility in placement. Look for models that include all necessary venting hardware.
Prioritize units designed for outdoor or exterior mounting to simplify installation and keep valuable interior space free. A compact design with horizontal venting and exterior mounting is the most practical choice for most RV owners, minimizing complexity and maximizing utility.
Which Should You Choose?
- If you’re looking for powerful performance for consistent hot water, even in colder climates, choose a unit with higher BTUs (60,000+) and features designed for cold weather operation.
- If you frequently have multiple people showering or running multiple fixtures simultaneously, choose a model that boasts a high Gallons Per Minute (GPM) flow rate, such as 3.9 GPM.
- If you plan to travel to high altitudes, choose a water heater that specifically states high-altitude readiness or adjustment capabilities.
- If you need a quieter operation and have 12V power available, choose a model that highlights a quiet motor and low amp draw.
Quick Best Rv Tankless Propane Water Heater Buying Checklist
- Verify Flow Rate: Ensure the GPM meets your expected usage for hot water.
- Check BTU Input: Higher BTUs generally mean faster heating, crucial for busy RV life.
- Understand Ignition Type: Decide between battery-powered or 12V ignition based on your RV’s setup.
- Review Venting Needs: Confirm the unit’s venting requirements (e.g., through-wall, roof) fit your RV’s design.
- Measure Space: Accurately measure your intended installation spot to ensure a proper fit for the unit and its components.
- Confirm Propane Compatibility: Make sure the heater is designed to work with standard RV propane tank connections.
Frequently Asked Questions
What Are The Main Advantages Of An Rv Tankless Propane Water Heater?
RV tankless propane water heaters offer continuous hot water without the wait associated with traditional tanks. They are also more energy-efficient, only heating water when you need it, which conserves propane fuel during your travels.
How Does An Rv Tankless Propane Water Heater Differ From A Tank Model?
Unlike tank models that store and reheat water, tankless units heat water on demand as it flows through the appliance. This means you won’t run out of hot water mid-shower, a significant advantage for RV living.
What Is The Typical Heating Capacity Of These Rv Water Heaters?
Most RV tankless propane water heaters are designed to achieve a temperature rise of 45°F to 70°F, ensuring hot water even in colder climates. This capacity is usually sufficient for typical shower, sink, and dishwashing needs.
Are Rv Tankless Propane Water Heaters Difficult To Install?
Installation complexity varies, but generally requires plumbing and propane line connections, along with proper venting. Many RV owners opt for professional installation to ensure safety and adherence to manufacturer guidelines.
How Much Propane Do These Units Consume?
These heaters are quite efficient, consuming propane only when hot water is being used. While usage depends on demand, they are generally more economical than constantly reheating water in a storage tank.
Final Words
Investing in the best RV tankless propane water heater brings unparalleled convenience to your mobile adventures. Enjoying endless hot water without interruption enhances comfort and utility, making every trip more enjoyable. Upgrade your RV experience today with this efficient and reliable hot water solution.