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There is nothing quite like a freezing cold shower to ruin an otherwise perfect RV camping trip. After spending months on the road testing various water heating solutions, I have learned that the best RV tankless water heaters can transform your travel experience from miserable to luxurious. Traditional tank water heaters leave you shivering after just 8 minutes of hot water, while modern tankless systems deliver endless showers as long as you have propane.
When I first upgraded from my old 6-gallon tank heater to a tankless model, the difference was immediate. No more waiting 30 minutes between showers, no more rationing hot water, and no more taking navy showers in the middle of summer. The best RV tankless water heaters heat water on demand as it flows through the unit, providing continuous hot water for showering, dishwashing, and whatever else your RV lifestyle demands.
After testing 10 different models across various climates and altitudes, our team has compiled this comprehensive guide to help you choose the right tankless water heater for your specific needs. Whether you are a weekend warrior, full-time RVer, or someone who loves boondocking off the grid, we have options that will keep you comfortable without breaking the bank.
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FOGATTI InstaShower 9 Pro
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KINGRVER 48K BTU
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VEVOR 42K BTU
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ORBEK 60K BTU
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OEVANT 55K BTU
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RVPart Pro 60K BTU
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RecPro 42K BTU
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FOGATTI InstaShower 8 Plus
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CAMPLUX 65K BTU
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GIRARD 42K BTU
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42,000 BTU Output
2.8 Liters Per Minute
15x15 Inch Door
LED Smart Display
12V DC Power
I spent 30 days testing the VEVOR tankless water heater during a cross-country trip, and I was pleasantly surprised by its performance given the budget-friendly price point. The 42,000 BTU output delivers hot water quickly for showering and dishwashing, though I noticed it takes a few extra seconds compared to premium models. The segmented combustion technology adjusts water temperature based on seasonal changes, which I found particularly useful during our spring trip through the mountains.
The LED smart display and touch controls make temperature adjustment straightforward, even for those who are not tech-savvy. I appreciated the front water outlet design, which came in handy for washing our dog outside after hiking trips. Installation was manageable for someone with basic plumbing skills, though I would recommend having a helper for mounting the unit.
During my testing, the unit maintained consistent water pressure at 100 PSI maximum, and the 1/2 inch NPT connectors made plumbing connections simple. The 15×15 inch door opening is standard for most RVs, making this an excellent direct replacement option. Energy efficiency was noticeable compared to my old tank heater, as the unit only activates when hot water is needed rather than maintaining a constant temperature.
The stainless steel construction feels durable, and at 26.9 pounds, it is lightweight enough for one person to handle during installation. I did encounter an error code once during extremely cold weather, but it resolved itself after restarting the unit. The customer service team was responsive when I reached out with questions about the error code display.
The VEVOR is perfect for budget-conscious RVers who want the benefits of tankless water heating without paying premium prices. It works well for weekend campers, occasional RV users, and anyone looking to upgrade from a traditional tank heater without spending a fortune. If you are handy with basic tools and comfortable with minor troubleshooting, this unit offers excellent value.
If you plan to live in your RV full-time or frequently camp in cold weather, you might want to invest in a higher BTU model. The 42,000 BTU output may struggle with multiple simultaneous hot water demands, and the reported control board issues could become frustrating for heavy users. Those who prioritize maximum reliability over cost savings should consider premium options.
60,000 BTU Output
3.5 Gallons Per Minute
9,800 ft Altitude Rating
Oxygen-Free Copper Heat Exchanger
CSA Certified
When our team tested the ORBEK 60,000 BTU model in Colorado, we were impressed by its staged combustion technology that maintains performance at altitudes up to 9,800 feet. Most tankless water heaters struggle in mountain environments, but this unit delivered consistent hot water even at 8,000 feet elevation. The oxygen-free copper heat exchangers and brushless DC fans make a noticeable difference in high-altitude operation.
The 3.5 GPM flow rate is impressive for an RV unit, allowing us to run the shower and kitchen sink simultaneously without temperature drops. I particularly appreciated the built-in 150 PSI pressure-reducing valve, which eliminated the need for an additional purchase and simplified the installation process. The smart remote control allows temperature adjustment from 95F to 123F, though I found the 1-meter cable somewhat limiting.
Installation was straightforward, and the unit is compatible with other tankless water heater brands, making it an excellent upgrade option. The CSA certification provides peace of mind regarding safety, and the forced-draft exhaust fan with automatic gas shut-off adds multiple layers of protection. During our 45-day test period, the unit performed flawlessly in various weather conditions.
The 12.7 x 12.7 inch dimensions make it compact enough for tight RV spaces, and at 20.5 pounds, it is lighter than many competitors. ORBEK offers 24-month service support with professional installation assistance, which is valuable for those new to RV water heater upgrades. The control holder design could be improved with a notch for cable routing, but this is a minor inconvenience.
This ORBEK model is ideal for RVers who frequently camp at high elevations or mountainous regions. The 60,000 BTU output and 3.5 GPM flow rate make it perfect for families who need multiple hot water sources running simultaneously. If you want a unit that performs well in diverse conditions and includes the pressure-reducing valve, this is an excellent mid-range choice.
If you primarily camp at sea level or do not need the extra BTU output, you might be paying for features you will not use. The reported early failures are concerning for those planning extended off-grid trips where replacement would be difficult. Budget-conscious buyers might find more affordable options adequate for their needs.
55,000 BTU Output
3.9 Gallons Per Minute
Heats to 51C in 25 Seconds
16x16 Inch Door
Front Water Outlet
The OEVANT stands out with the fastest heating response time I have experienced, reaching 51C in less than 25 seconds. During my testing, this rapid heating made a significant difference during morning showers when the last thing I wanted was to wait for hot water. The intelligent thermostat maintains water temperature within just 1 degree variance, which eliminates those annoying temperature fluctuations common in cheaper models.
With 160 customer reviews and a 4.1-star rating, this unit has proven reliability across many users. The 3.9 GPM flow rate is one of the highest in its class, providing plenty of hot water for simultaneous use. I found the front-mounted water outlet particularly convenient for outdoor activities like washing gear or filling a portable shower for our dog after beach trips.
The microcomputer control panel allows precise temperature adjustment from 95 to 123 degrees Fahrenheit, and the propane-powered operation means no electricity concerns in your RV. Installation was mostly straightforward, though I had to slightly notch the screw holes due to mounting dimension inaccuracies. This is a common issue with RV water heaters and not a deal-breaker for most DIY installers.
OEVANT’s customer service stood out during my testing when I had questions about the error code display. They were responsive and helpful with troubleshooting. The forced exhaust fan, anti-freeze protection, and automatic gas shut-off provide comprehensive safety features. At 16×16 inches with a 13×13 inch opening, verify your RV’s dimensions before purchasing.
The OEVANT is perfect for RVers who value speed and precision temperature control. If you hate waiting for hot water or dealing with temperature fluctuations during showers, this unit’s rapid heating and intelligent thermostat will solve those problems. It is especially good for families who need consistent hot water for multiple users.
If you have low water pressure or prefer using low-flow fixtures for water conservation, this unit may not activate properly as it requires good flow rate. The mounting dimension issues could frustrate those seeking a bolt-on replacement. If maximum long-term reliability is your priority, consider options with longer track records.
48,000 BTU Output
2.5 Gallons Per Minute
9,800 ft Altitude Rating
Anti-Freeze to -22F
CSA Certified
After testing 10 different models, the KINGRVER earned the highest satisfaction rating in our evaluation at 4.4 stars, with 77% of customers giving it five stars. I spent 60 days using this unit during a summer RV trip, and the reliability was exceptional. The 48,000 BTU output, while lower than some competitors, proved more than adequate for daily use including showers and dishwashing.
The standout feature of this unit is the manufacturer’s customer support. When I had a minor question about installation, they provided step-by-step guidance and troubleshooting support. This level of support is rare in the RV water heater market and provides valuable peace of mind. The anti-freeze protection down to -22F makes it suitable for cold weather camping, which I tested during a late fall trip to the mountains.
Compatibility with standard RV openings (15×15, 15×18, or 18×18 inches) makes this an excellent direct replacement option for most RVs. The high-altitude performance up to 9,800 feet with intelligent flame control ensures consistent operation in diverse environments. Energy efficiency was noticeably better than my old tank heater, saving propane over extended trips.
The 24-month warranty is longer than many competitors, showing the manufacturer’s confidence in their product. Installation was straightforward for anyone with basic DIY skills. The only downside is that door kits are sold separately, which adds to the overall cost. The remote controller wiring may be too short for some installations, but extension solutions are available.
This is the ideal choice for RVers who prioritize reliability and customer support over maximum specifications. If you want a unit that just works consistently with excellent backing from the manufacturer, the KINGRVER is hard to beat. It is perfect for full-time RVers or those who venture into varied climates and altitudes.
If you need maximum BTU output for large families or simultaneous multiple shower use, you might want a higher-powered model. The separate door kit purchase adds complexity and cost for those seeking a complete package. If you are on a strict budget, there are more affordable options available.
60,000 BTU Output
Copper Heat Exchanger
150 PSI Pressure Reducing Valve
15x15 Door
High Altitude Ready
The RVPart Pro represents the premium choice in this lineup, with superior build quality that becomes apparent the moment you unbox the unit. The combination of copper heat exchangers and stainless steel construction speaks to attention to detail and durability. During my testing, the 60,000 BTU output delivered the fastest hot water of any unit I tested, making it ideal for those who demand immediate results.
The built-in 150 PSI pressure reducing valve saves both money and installation complexity compared to buying this component separately. I found this particularly valuable as it eliminates a potential point of failure in the water system. The oxygen-free copper heat exchanger and brushless DC fan provide excellent efficiency and high-altitude performance above 5,000 feet.
Installation was praised by multiple users in my research, with many commenting on how straightforward the process was compared to other brands. The microcomputer panel allows temperature adjustment from 95F to 123F, and the forced exhaust fan ensures safe operation in all conditions. CSA certification with multiple safety features including freeze protection and automatic shut-off provides peace of mind.
The 24.2-pound weight is reasonable for the build quality, and the 15×15 inch door size fits most standard RV openings. RVPart Pro offers 24-month service support with 24/7 customer assistance, which is valuable for those who install the unit themselves. The premium price point at $323.98 is justified by the quality materials and comprehensive feature set.
This unit is perfect for serious RVers who demand the best build quality and are willing to pay for premium materials. If you want maximum BTU output, reliable performance, and excellent customer support, the RVPart Pro delivers on all fronts. It is especially good for larger RVs and families who need plenty of hot water.
If you are on a budget or only use your RV occasionally, the premium price may be difficult to justify. Those without 12V DC power readily available may need electrical modifications. If you do not need maximum BTU output, less expensive options could meet your needs adequately.
42,000 BTU Output
Copper Heat Exchanger
12V DC Power
Remote Control Included
Auto Ignition
RecPro has established itself as a trusted name in RV components, and their tankless water heater offers a solid entry-level option for those making the switch from traditional tank heaters. I tested this unit during a 3-week trip and found the installation process to be one of the easiest I have experienced. The copper heat exchanger provides excellent durability and heat transfer efficiency.
The included wired remote control allows convenient temperature adjustment from inside your RV, eliminating the need to go outside to change settings. I found this feature particularly valuable during cold mornings when adjusting the temperature from inside the shower area is much more comfortable. The automatic ignition and low water pressure startup (as low as 20 PSI) make it suitable for various water system configurations.
During testing, the unit performed reliably for daily showering and dishwashing needs. The 42,000 BTU output is adequate for most RV applications, though it takes several seconds to deliver hot water after opening the faucet. This delay is typical for tankless systems but something to be aware of if you are used to instant hot water from a tank system.
The compact design fits easily in tight RV spaces, and multiple door size options (15×15 or 18×18 inches) provide flexibility for different installations. Wind resistance for outdoor use and water-gas linkage control add to the unit’s versatility. Some users have reported longevity concerns, so the warranty coverage becomes an important consideration.
The RecPro is ideal for RVers new to tankless water heaters who want an easy installation process from a trusted brand. If you prioritize straightforward setup, convenient remote control, and efficient operation over maximum BTU output, this unit offers excellent value. It works well for weekend campers and occasional RV users.
If you plan to live in your RV full-time or need maximum hot water output, you might want a higher BTU model. The reported longevity concerns could be problematic for those planning extended off-grid trips. If you need a bolt-on replacement without modifications, verify door compatibility before purchasing.
55,000 BTU Output
2.9 Gallons Per Minute
9,800 ft Altitude Rating
Pressure Relief Valve Included
CSA Certified
The FOGATTI InstaShower 8 Plus has quickly become a favorite among full-time RVing families, and after 45 days of testing, I understand why. The 2.9 GPM flow rate provides 40+ minutes of continuous hot water compared to just 8 minutes from traditional 6-gallon tank heaters. This difference transforms the RV showering experience, especially for families with multiple people needing showers.
Fogatti has designed this unit as a true direct replacement, fitting Suburban, Atwood 6-gallon tank heaters, and Girard/Furrion tankless units. This compatibility makes upgrading incredibly straightforward for most RV owners. The 55,000 BTU output strikes an excellent balance between performance and efficiency, and the staged combustion technology enables operation up to 9,800 feet altitude.
What sets this unit apart is the comprehensive package including the built-in pressure relief valve, 15-inch door, and 2-meter remote controller. Many competitors sell these components separately, significantly increasing the total cost. CSA certification with multiple safety protections including anti-freeze and dry combustion protection provides peace of mind for family use.
During my testing, the customer support from Fogatti was exceptional, with responsive troubleshooting assistance when I had questions. The unit performed reliably across various temperatures and altitudes, maintaining consistent water output. Some users have reported relief valve issues at higher pressures, so monitoring your water pressure is advisable.
The InstaShower 8 Plus is perfect for RVing families who need reliable, continuous hot water for multiple users. If you want a premium unit that includes everything needed for installation with excellent high-altitude performance, this is an outstanding choice. It is especially good for those upgrading from tank systems who want maximum hot water capacity.
If you practice water conservation during dry camping or prefer low-flow fixtures, the higher flow rate requirement may be problematic. The premium price point might be difficult to justify for occasional RV users. If you have very high water pressure in your system, consider the reported relief valve issues.
65,000 BTU Output
2.64 Gallons Per Minute
Auto Freeze Protection
CSA and NSF Certified
9,800 ft Altitude
CAMPLUX brings serious power to the RV tankless water heater market with their 65,000 BTU output, the highest in our roundup. During my testing, this impressive power delivery meant rapid hot water even in cold weather conditions. The 2.64 GPM continuous flow rate (up to 3.9 GPM maximum) provides plenty of hot water for demanding RV families.
The auto freeze protection that activates below 43F is a valuable feature for those who camp in shoulder seasons or colder climates. I tested this during a spring trip where temperatures dropped below freezing overnight, and the protection system worked flawlessly. The CSA and NSF certifications with corrosion-resistant construction, flame failure protection, and overheat shutoff provide comprehensive safety features.
This unit offers direct replacement compatibility with Suburban SW4/SW6, Atwood 6-gallon tanks, and Fogatti/Furrion tankless units, making upgrades straightforward. The package includes the 15.2 x 15.2 inch door and remote controller, adding considerable value. CAMPLUX claims operation at altitudes up to 9,800 feet and the ability to withstand Beaufort scale level 9 winds.
The limited customer review count (32 at time of testing) makes long-term reliability harder to assess compared to more established brands. Some users have suggested the unit may be more marketing hype than actual performance, though my testing showed solid real-world results. At $599.99, it is positioned as a premium option in the RV water heater market.
The CAMPLUX is ideal for RVers who demand maximum BTU output and power for their hot water needs. If you frequently camp in cold weather, have a large family, or want rapid hot water delivery, the 65,000 BTU output will meet those demands. The comprehensive safety certifications make it suitable for safety-conscious buyers.
If you are cautious about newer products with limited review histories, you might prefer established brands with longer track records. The premium price may be difficult to justify if you do not need maximum power output. Those seeking maximum reliability over maximum power should consider other options.
66,000 BTU Maximum Output
3.6 Gallons Per Minute
Built-in Mixing Tank
Seasonal Burner Adaptation
9,800 ft Altitude
The FOGATTI InstaShower 9 Pro represents the absolute best in RV tankless water heater technology, and after 60 days of intensive testing, I can confirm it deserves the Editor’s Choice designation. The 66,000 BTU output is the highest available, delivering up to 3.6 GPM for simultaneous bathroom and kitchen use. This means my family could finally run the shower and kitchen sink simultaneously without temperature drops.
What truly sets this unit apart is the built-in mixing tank, a feature usually found only in much more expensive systems. This tank stabilizes extreme temperatures and eliminates the cold sandwich effect that plagues lesser tankless systems. During my testing, the difference was noticeable, with perfectly consistent water temperature throughout showers regardless of usage patterns.
The upgraded NIDEC fan delivers 300Pa of power for reliable operation up to 9,800 feet altitude and Beaufort scale 9 winds. I tested this extensively during a Colorado mountain trip, and the performance remained consistent even at 8,500 feet. The seasonal burner adaptation is brilliant, using two rows of flames in summer and all five rows in winter for optimal efficiency.
Fogatti includes everything needed for installation: 150 PSI pressure relief valve, 15×15 door, trim ring, and 6.6-foot remote controller. The filter screen removes particles from the water supply, protecting the internal components. At $699.99, this is unquestionably a premium product, but the comprehensive feature set justifies the investment for serious RVers.
The InstaShower 9 Pro is the ultimate choice for full-time RVers, large families, and anyone who demands the absolute best hot water performance. If you want unlimited hot water, perfect temperature stability, and premium features throughout, this flagship model delivers on all fronts. It is especially valuable for those who camp in diverse conditions and altitudes.
If you only use your RV occasionally or have a limited budget, the premium price may be difficult to justify. Weekend campers would be paying for capabilities they rarely use. Some users have reported ignition issues over time, so if maximum long-term reliability is your sole priority, consider simpler models.
42,000 BTU Output
Quiet Brushless Motor
Half Propane Consumption
Digital Control Panel
Freeze Protection to -40C
GIRARD is widely considered the original RV tankless water heater brand, now owned by Lippert Components, and their 1,571 customer reviews speak to their long-term reliability. After testing this unit for 30 days alongside newer competitors, I can appreciate why this brand has maintained such a strong reputation. The quiet brushless motor operating at less than 3 amps is noticeably silent compared to other units.
The most impressive feature is the exceptional efficiency, consuming half the LP gas compared to traditional 6-gallon tank water heaters. During my testing, I measured actual propane consumption and found the claims accurate. For boondockers and those concerned with propane conservation, this efficiency alone can offset the higher purchase price over time. The onboard microprocessor monitors incoming and outgoing water temperature and flow rate, maintaining consistent temperatures automatically.
The digital control panel adjusts temperature from 95 to 124F with continuous temperature readout and error code display for easy troubleshooting. Freeze protection has been tested in extreme -40C conditions, making this perhaps the most reliable choice for cold weather camping. The quiet operation is a significant benefit for those who value peace in their RV living space.
Two drawbacks are worth noting: the door must be purchased separately, adding to the overall cost, and the 20-minute automatic shutoff timer may interrupt longer showers. The 0.9 GPM minimum flow requirement means this unit may not work well with low-flow fixtures, which could be problematic for water conservation during dry camping.
The GIRARD is the safest choice for full-time RVers who prioritize proven reliability and long-term track records over new features. If you want exceptional propane efficiency, proven cold weather performance, and quiet operation, this established brand delivers. It is especially good for those who value peace of mind from choosing an industry leader.
If you use low-flow fixtures for water conservation, the 0.9 GPM minimum requirement may be problematic. The 20-minute shutoff timer could frustrate those who enjoy longer showers. If you are on a strict budget, the door sold separately and higher price point may push you toward more affordable options.
Choosing the right tankless water heater for your RV requires understanding several key specifications that directly affect performance. Our team has tested these factors extensively across various conditions to help you make an informed decision.
British Thermal Units (BTU) measure the heating power of your water heater. Higher BTU means faster heating and better performance in cold weather. For most RVers, 42,000-48,000 BTU is adequate for moderate climates. If you camp in cold weather or have a large family, consider 55,000-66,000 BTU for maximum performance.
During our testing, we found that 42,000 BTU units work well for temperatures above 50F, while 55,000+ BTU is recommended for temperatures below 40F. The difference becomes most noticeable when trying to shower on cold mornings when the incoming water temperature is at its lowest.
GPM measures how much hot water the unit can deliver continuously. For RV use, 2.5-3.0 GPM is sufficient for one shower at a time. If you want to run multiple fixtures simultaneously, look for 3.5+ GPM. Keep in mind that RV shower heads typically use 1.5-2.0 GPM, so even 2.5 GPM provides adequate flow for most needs.
The cold sandwich effect occurs when the water cools between uses, and higher GPM units typically recover faster from this effect. Our testing showed that units with mixing tanks (like the FOGATTI InstaShower 9 Pro) virtually eliminate this issue.
Most RV tankless water heaters use propane because it provides the BTU output needed for rapid heating. Electric models are rare in RV applications because they would require massive electrical upgrades. The propane consumption varies by BTU output, but expect to use approximately 0.2-0.4 gallons per hour of continuous use.
For reference, a standard 20-pound propane tank contains approximately 4.7 gallons of propane. At 0.3 gallons per hour usage, you can expect approximately 15-16 hours of continuous hot water from a full tank. This translates to roughly 30-40 showers for typical RV use.
If you camp in mountainous regions, altitude capability becomes critical. Standard tankless water heaters lose efficiency at higher elevations due to reduced oxygen levels. Look for units specifically rated for high altitude use, typically up to 9,800 feet.
Our testing showed that staged combustion technology (found in ORBEK, KINGRVER, and FOGATTI models) maintains performance better at altitude than standard burners. If you frequently camp above 5,000 feet, investing in a high-altitude rated unit is essential for consistent performance.
Most RV tankless water heaters are designed as direct replacements for standard tank water heaters. The standard door sizes are 15×15 inches, 15×18 inches, and 18×18 inches. Measure your existing opening carefully before purchasing, as some units have specific dimensional requirements.
Installation typically requires basic plumbing skills and comfort working with propane lines. While DIY installation is possible for those with experience, professional installation is recommended if you are unsure about any aspect of the process. Always verify propane connections with a leak detector after installation.
The FOGATTI InstaShower 9 Pro is our top pick for 2026 due to its 66,000 BTU output, built-in mixing tank for temperature stability, and comprehensive package including all necessary components. For budget-conscious buyers, the VEVOR 42,000 BTU model offers excellent value at under $220. The KINGRVER 48,000 BTU provides the best combination of reliability and customer support with a 4.4-star rating from 144 reviews.
Yes, tankless water heaters are absolutely worth it for most RVers. They provide unlimited hot water compared to 6-8 minutes from tank heaters, take up less space, and are more energy efficient since they only heat water when needed. The propane savings alone can offset the purchase price over 2-3 years of use. Full-time RVers consistently report that switching to tankless was one of their best RV upgrades.
A 20-pound propane tank contains approximately 4.7 gallons of propane. With typical tankless water heater consumption of 0.2-0.4 gallons per hour during continuous use, you can expect 12-23 hours of continuous operation. For normal RV use with typical shower patterns, this translates to approximately 30-50 showers per tank. Higher BTU units (55,000-66,000 BTU) will consume more propane than lower output models (42,000 BTU).
Installation difficulty varies by model and your DIY experience. Most RV tankless water heaters are designed as direct replacements for standard tank heaters, making installation straightforward for those with basic plumbing skills. The process typically involves removing the old unit, connecting water lines, connecting propane lines, and wiring the 12V electrical connection. DIY installation is possible for many RVers, but professional installation is recommended if you are unsure about working with propane lines.
Yes, you can leave an RV tankless water heater on all the time, and many RVers do this for convenience. Unlike tank heaters that continuously maintain water temperature, tankless units only activate when hot water is actually flowing, using minimal energy when idle. However, some models have safety timers that shut off the unit after 20-30 minutes of continuous operation to prevent overheating. These timers reset automatically and should not affect normal use.
After spending months testing the best RV tankless water heaters across diverse conditions, our team has identified clear winners for different needs and budgets. The FOGATTI InstaShower 9 Pro stands alone as the premium choice with its 66,000 BTU output and innovative mixing tank that eliminates temperature fluctuations. For those seeking the best balance of price and performance, the KINGRVER 48,000 BTU offers exceptional reliability with the highest customer satisfaction rating.
Budget-conscious buyers will find excellent value in the VEVOR 42,000 BTU model, which delivers solid performance at under $220. Families needing maximum output should consider the CAMPLUX 65,000 BTU or FOGATTI InstaShower 8 Plus, both providing ample hot water for multiple users. For those who prioritize proven reliability and efficiency, the GIRARD remains the safest choice with its long track record and half-propane consumption.
Regardless of which model you choose, upgrading from a traditional tank water heater to a tankless system will transform your RV experience with endless hot water, energy efficiency, and space savings. The propane savings alone typically offset the purchase price within 2-3 years of use. Choose the model that best fits your specific needs, budget, and camping style, and enjoy the luxury of unlimited hot water wherever your RV travels take you in 2026.