Living in a campervan has transformed my travel experience, but nothing grounds you in reality faster than a cold shower on a frosty morning. After three years of full-time van life across all four seasons, I've learned that hot water isn't just a luxury—it's essential for maintaining hygiene, morale, and the feeling of home on wheels.
The Ranein 65,000 BTU RV Tankless Water Heater is the best overall campervan water heater based on our research and testing, offering exceptional performance at high altitudes with reliable temperature control and CSA certification for safety.
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In this comprehensive guide, I'll share everything I've learned about water heating systems for campervans, from the propane giants that power through mountain winters to the compact electric options perfect for weekend warriors. We've tested 5 different models across various conditions to help you find the perfect solution for your van life needs.
Whether you're building out your first van or upgrading your current setup, you'll discover the pros and cons of each fuel type, installation requirements you need to know, and specific recommendations based on your travel style and climate preferences.
This table compares all 5 water heaters we tested, showing key specifications and features to help you quickly identify the best option for your campervan setup.
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Power: 65,000 BTU
Coverage: 3.9 GPM
Fuel: Propane
Altitude: 9,800ft
Certification: CSA
Check PriceAfter testing this unit at 6,800 feet in the Colorado Rockies, I was impressed by its consistent performance where other propane heaters struggle. The Ranein stands out with its exceptional high-altitude support up to 9,800 feet, making it the top choice for mountain adventurers who don't want to compromise on hot water performance.
The 65,000 BTU power output delivers an impressive 3.9 gallons per minute, easily handling simultaneous shower and dishwashing needs. What really sets this model apart is the staged combustion technology that optimizes fuel efficiency while maintaining consistent temperature output—a crucial feature when propane conservation matters.
Installation is straightforward with standard RV water heater cutouts, and the multi-function controller provides real-time data on gas usage, voltage, and flow rate. This digital interface helps you monitor system performance and optimize usage, especially valuable during extended off-grid stays.
Cold weather performance exceeded my expectations during winter testing in Montana, with reliable operation down to 15°F. The anti-freeze protection kicks in automatically when temperatures drop, preventing costly damage to internal components—a feature that saved me from potential repairs during an unexpected cold snap.
Customer photos reveal the clean installation process and compact footprint that makes it ideal for van conversions where space is at a premium. The unit's 15"x15" dimensions mean it can replace most standard RV water heaters without extensive modifications.
While the initial $399 investment is higher than some alternatives, the energy efficiency and reliability translate to long-term savings. I calculated approximately 15% less propane consumption compared to my previous tankless heater, which adds up significantly during full-time travel.
What Users Love: Exceptional performance at high altitudes, fast heating times, easy installation, reliable temperature control, and excellent customer support when needed.
Common Concerns: Temperature and pressure valve may require additional regulator, door must be purchased separately, initial water waste during heating cycle.
Power: 60,000 BTU
Coverage: On-Demand
Fuel: Propane
Safety: Multi-Protect
Control: Digital
Check PriceSafety is paramount in a confined space like a campervan, and the Suburban ST-60 delivers with comprehensive protection features that put my mind at ease. The flame out protection automatically shuts down the system if the flame extinguishes unexpectedly, while the scald protection with child lock prevents dangerous water temperatures—essential for families traveling with children.
The 60,000 BTU power output provides instant hot water within 5-9 seconds, eliminating the long wait times common with tank systems. I appreciated the rapid response during my testing, particularly on cold mornings when every minute counts before heading out for the day's adventures.
Digital user control center allows precise temperature management from 95°F to 131°F, giving you complete control over water temperature. The intuitive interface shows current settings and system status at a glance, making it easy to adjust for different uses whether you're showering, washing dishes, or cleaning gear.
Built-in freeze protection activates automatically when power and propane are available, preventing damage during unexpected cold snaps. This feature proved invaluable during spring camping in the mountains when temperatures dropped below freezing overnight.
The Suburban brand's reputation in the RV industry provides confidence in long-term reliability. With over 60 years of experience manufacturing RV appliances, they understand the unique demands of mobile living and build their products accordingly.
Customer images show the clean installation and compact design that fits seamlessly into standard RV water heater openings. The 15"x20" dimensions make it suitable for most van conversions without major modifications to existing cabinetry.
Energy efficiency is enhanced by the system's operation only when water is needed, eliminating standby heat loss common with tank models. This on-demand operation saves both fuel and money over time, especially for frequent travelers.
What Users Love: Excellent safety features, child lock for families, digital temperature control, trusted brand reputation, reliable performance in various conditions.
Common Concerns: Door and control mounting hardware sold separately, may require additional pressure tank, installation parts not included.
Capacity: 10 Gallon
Power: 120V Electric
Wattage: 1.4 KW
Warranty: 8 Years
Installation: Plug & Play
Check PriceFor van lifers who prioritize simplicity and have reliable electrical power, the GE 10-gallon electric water heater offers an uncomplicated solution with exceptional reliability. The plug-and-play design eliminates the complexity and safety concerns associated with propane systems, making it perfect for electric-only vans or those who frequently stay at campgrounds with shore power.
The 10-gallon capacity provides sufficient hot water for two people to shower and do dishes without running out. During my testing, I found the recovery time impressive—heating the full tank in approximately 45 minutes, which is faster than comparable electric models in this size range.
What really stands out is the industry-leading 8-year warranty on the tank and parts, providing peace of mind for long-term travel. This exceptional warranty reflects GE's confidence in the product's durability and construction quality.
The adjustable thermostat allows precise temperature control up to 140°F, letting you optimize for your specific needs while conserving energy. I typically set mine to 120°F for comfortable showers without risking scalding, which also reduces power consumption.
Compact 14.75"x24.5" dimensions make it suitable for installation under benches, beds, or in other tight spaces typical of van conversions. The floor-mounted design provides stability during travel and eliminates vibration noise that wall-mounted units might produce.
Energy consumption is reasonable at 1.4 KW, drawing approximately 12 amps when operating. This power draw is manageable for most van electrical systems, especially when paired with solar panels or alternator charging for replenishment.
Customer photos demonstrate various installation configurations, showing how the unit adapts to different van layouts. The stainless steel heating element resists corrosion and mineral buildup, ensuring consistent performance over time.
While marketed as "plug and play," installation does require basic electrical wiring and plumbing connections. However, the process is straightforward for anyone with basic DIY skills, and the simplified design eliminates the need for complex ventilation systems required by propane models.
What Users Love: Simple operation, excellent warranty, reliable performance, compact size, good temperature retention, and consistent heating performance.
Common Concerns: Short power cord requires extension, plumbing fittings not included, not truly plug and play as advertised, pressure relief valve adds height.
Power: 85,300 BTU
Flow: 3.66 GPM
Display: Digital
Weight: 10.67 lbs
Portability: Outdoor Use
Check PriceWhen you need hot water on the go without permanent installation, the Nessxa portable propane heater delivers exceptional performance in a compact package. At just 10.67 pounds, this unit can be set up anywhere you have propane and water, making it perfect for outdoor showers, remote campsites, or as a backup system.
The impressive 85,300 BTU power output provides 3.66 gallons per minute of hot water, easily handling shower needs even in cooler ambient temperatures. During my testing, the unit maintained consistent output even with incoming water temperatures as low as 45°F.
Digital temperature display shows real-time water temperature, allowing precise adjustment for different uses. The clear readout helps you achieve the perfect temperature whether you're showering, washing dishes, or cleaning outdoor gear after a day of adventure.
Six built-in safety protections include overheating protection, anti-freezing protection, low water flow protection, flame fault protection, and high water pressure protection. These multiple safety layers provide confidence when operating the unit, especially important for propane systems in outdoor settings.
The energy-saving technology claims 10% efficiency improvement over conventional models, which translates to longer propane tank life during extended trips. I measured approximately 3 hours of continuous operation from a standard 20-pound propane tank during my testing.
Installation requires minimal effort—just connect propane, water inlet and outlet, and you're ready to go. The unit can be mounted on a wall or placed on a stable surface, providing flexibility for different camping setups and situations.
Customer images show various mounting options and portable configurations, demonstrating the unit's versatility for different camping scenarios. The compact 11.4"x22" footprint means it takes up minimal space whether mounted or freestanding.
The battery-powered ignition system uses D-cell batteries (not included), making it completely independent of electrical power. This feature is particularly valuable for remote camping where you might not have access to 12V power or want to conserve your van's battery.
While performance is impressive, some users have reported reliability issues with units failing within weeks of purchase. The warranty coverage and customer service response can be inconsistent, which is an important consideration for something you'll rely on for comfort.
What Users Love: Lightweight and portable design, powerful heating performance, digital temperature display, multiple safety protections, easy setup and operation.
Common Concerns: Reliability issues with some units, battery ignition requires frequent changes, can get dangerously hot, quality control concerns.
Power: 42,000 BTU
Flow: 1.58 GPM
Display: Digital
Weight: 10.98 lbs
Certification: CSA
Check PriceFor van converters on a tight budget or those needing hot water only occasionally, the RUINOPAR offers basic functionality at an unbeatable price point. While it lacks the advanced features and power output of premium models, it provides adequate hot water for basic needs at a fraction of the cost.
The 42,000 BTU power output delivers 1.58 gallons per minute, sufficient for a basic shower or dishwashing but not suitable for simultaneous uses. During testing, I found it works best for individual tasks rather than trying to provide hot water to multiple fixtures at once.
Winter/Summer mode selector helps optimize performance based on ambient temperature, a useful feature for year-round campers. This adjustment compensates for incoming water temperature variations, maintaining more consistent output in different seasons.
CSA approved regulator included ensures proper gas pressure and safe operation, addressing one of the common concerns with budget propane appliances. This certification provides confidence in the basic safety aspects of the unit.
Digital temperature display shows current water temperature, allowing manual adjustment to achieve desired output. The display is clear and easy to read, though it doesn't provide the precise control of more expensive models.
The unit operates with standard 2.5 PSI minimum water pressure, making it compatible with most van water systems without requiring additional pumps. This low pressure requirement is particularly valuable for simple water setups common in budget van builds.
Customer photos show the basic installation and mounting options, demonstrating the unit's straightforward setup process. The 10.2"x12.2" dimensions make it one of the most compact options available, perfect for space-constrained installations.
Battery-powered ignition using D cells (not included) provides standalone operation without electrical connections. While convenient, this does add ongoing costs for battery replacement, especially with frequent use.
Significant quality control issues reported by users, including units failing within weeks or exhibiting inconsistent performance. The 3.9-star rating reflects these reliability concerns, with approximately 20% of users reporting serious issues.
What Users Love: Very affordable price, lightweight and portable design, includes CSA approved regulator, works with low water pressure, basic functionality meets needs.
Common Concerns: Flame extinguishes unexpectedly, quality control issues, requires D batteries for ignition, can get dangerously hot quickly.
Selecting the right water heater for your campervan depends on several key factors including your travel style, power availability, climate considerations, and budget. Understanding these factors will help you make an informed decision that matches your specific needs.
Propane water heaters offer instant heat and work well off-grid, making them popular for full-time van lifers who frequently camp without electrical hookups. They provide continuous hot water as long as propane is available, though they do require proper ventilation and regular safety checks.
Electric models are quieter and simpler to operate but require substantial power resources. They work best for van lifers with robust solar systems, frequent shore power access, or those who primarily use campgrounds with electrical hookups. The lack of combustion makes them inherently safer for indoor installation.
Hybrid systems that use engine coolant or solar power are becoming more advanced but typically require professional installation and significant upfront investment. These systems excel for full-timers who want integrated heating solutions but may be overkill for weekend warriors.
Propane systems need proper ventilation to prevent carbon monoxide buildup, requiring exterior venting and sometimes combustion air intake. This installation complexity adds cost but is non-negotiable for safety. I always recommend professional installation for propane systems unless you have extensive experience with gas appliances.
Electric water heaters require adequate wiring and circuit protection, typically needing a dedicated 12V circuit or 120V inverter capacity. The electrical demands must be factored into your overall power system design to avoid overloading your batteries or alternator.
Portable units offer flexibility but sacrifice integration and convenience. They work well as backup systems or for occasional use but require setup and takedown each time you want hot water, which becomes tedious with daily use.
If you plan to camp in cold weather, freeze protection becomes essential. Many propane models include automatic freeze protection that activates when temperatures drop, preventing costly damage to internal components. Electric systems may require additional insulation or heat tape for winter use.
High altitude performance affects propane combustion efficiency, with many models losing power above 5,000 feet. Look for models specifically rated for high altitude use if you plan mountain adventures—these typically include altitude compensation features that maintain performance at elevation.
Winter camping requires additional considerations including insulation of water lines, proper drainage when not in use, and possibly heated compartments for the water heater itself. These preparations add complexity but enable comfortable year-round travel.
Propane consumption varies significantly between models, with tankless systems typically using less fuel overall than tank heaters that maintain temperature constantly. Calculate your expected usage based on shower frequency and duration to estimate propane needs between refills.
Electrical demand is crucial for electric models, especially if you're relying on solar power. A typical 10-gallon electric heater draws 12-15 amps when operating, which can quickly drain batteries without adequate charging capacity. Consider your power system capabilities before choosing an electric model.
Water conservation becomes important with limited tank capacity or on-demand systems. Low-flow fixtures and water-conscious habits can extend your fresh water supply and reduce the frequency of refills, especially important when boondocking in remote areas.
Propane systems require proper certification and installation compliance. Look for CSA or UL certification to ensure the unit meets safety standards. Professional installation is recommended for gas appliances to ensure proper venting, gas line connections, and safety system installation.
Carbon monoxide detectors are non-negotiable with any combustion appliance in your van. Place detectors near sleeping areas and test them regularly to ensure they're functioning properly. This small investment provides life-saving protection.
Regular maintenance requirements vary between models. Tankless systems typically need less maintenance but may require annual professional servicing. Tank models need periodic anode rod replacement and tank flushing to maintain efficiency and prevent corrosion.
After spending three years testing water heaters in various climates and conditions, I've learned that the perfect system depends entirely on your travel style and priorities. The right choice balances performance, safety, convenience, and cost to match your specific van life needs.
For full-time van lifers who venture into diverse climates, the Ranein 65,000 BTU Tankless Water Heater offers the best combination of high-altitude performance, reliability, and safety features. Its exceptional performance at 9,800 feet elevation makes it ideal for mountain adventures, while the CSA certification and multiple safety protections provide confidence for extended travel.
For families prioritizing safety above all else, the Suburban 60,000 BTU Tankless Water Heater provides comprehensive protection features including child lock and flame out protection. The digital control center offers precise temperature management, while the trusted Suburban brand name provides confidence in long-term reliability.
For electric-only vans or those who prioritize simplicity, the GE 10 Gallon Electric Water Heater delivers reliable performance without the complexity of propane systems. The exceptional 8-year warranty and plug-and-play design make it an excellent choice for campers who frequently stay at campgrounds with shore power.
Remember that proper installation and maintenance are just as important as choosing the right model. Whether you go with propane or electric, investing in professional installation and regular maintenance will ensure your water heater provides reliable hot water throughout your van life adventures.