Looking for the best on-demand water heaters for your RV? We’ve tested and reviewed the top 10 models to help you find the perfect fit for your travels.
On-demand water heaters are a game-changer for RV owners. They provide instant hot water whenever you need it, making life on the road more comfortable. Whether you’re showering, washing dishes, or cleaning up after a day of adventure, these heaters ensure you never run out of hot water.
RV tankless water heaters are designed to be compact, energy-efficient, and easy to install. They use propane gas or electricity to heat water quickly, saving you time and money. With features like remote control, high-altitude readiness, and safety protections, they’re perfect for any RV lifestyle.
We’ve tested and reviewed the best on-demand water heaters for RVs to help you find the perfect fit. From powerful BTU outputs to smart safety features, these heaters will keep you cozy no matter where your travels take you. Ready to upgrade your RV experience? Let’s dive in!
List of Top 10 On-Demand Water Heaters For RVs
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ORBEK 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 RV tankless water heater is perfect for RV families and campers who want instant hot water on demand. It’s easy to install and saves energy, making it ideal for travel. |
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APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Hot Water with Black Door&Remote, 12V, 3.9 GPM, High Altitude Ready, CSA Certified, Compatible with All RVs,Ideal for RV Family & Camper |
This APUS RV Tankless Water Heater is perfect for RV families and campers who want endless hot water on their adventures. It’s easy to install, saves energy, and works safely in all conditions, making it ideal for anyone traveling in an RV. |
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APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Hot Water with White Door&Remote, 12V, 3.9 GPM, High Altitude Ready, CSA Certified, Compatible with All RVs,Ideal for RV Family & Camper |
This RV tankless water heater is perfect for RV families and campers who want instant hot water on demand, easy installation, and reliable performance in high altitudes or cold weather. Its compact design, energy-saving features, and built-in safety make it ideal for outdoor adventures. |
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ORBEK RV Tankless Water Heater, Propane Gas On-Demand Instant Hot Water Heater for RV, Camper and Travel Trailer, Remote Control, DC 12V, Compatible with All RVs |
This RV tankless water heater is perfect for RV owners who want reliable hot water on the go. It’s great for travel trailers, campers, and motorhomes, offering continuous hot water for showers, dishes, and cleaning. |
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Xenjum RV Tankless Water Heater, 65000BTU Dual-Outlet Lockable Instant Camper Hot Water Heater with Controller, 12V Propane Saving Shower for Full Time RV, Off-Grid, High Altitude, 15×15 Inch Door |
This Xenjum RV Tankless Water Heater is perfect for RV owners, campers, and off-grid enthusiasts who want instant, endless hot water. It’s ideal for showers, dishwashing, and outdoor activities, offering energy savings and reliable performance in any weather. |
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Poukaran 65,000 BTU RV Tankless Water Heater, High Altitude Available, DC 12V, On Demand Instant Hot Water Heater, with 15×15 inches White Door and Front Water Outlet, Compatible with all RVs |
This Poukaran RV tankless water heater is perfect for RV owners who love outdoor adventures. It’s great for families or groups needing instant hot water while camping or traveling. |
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Novieex RV Water Heater, 60,000 BTU On-Demand Instant Tankless Hot Water Heater, 15″×15″ White Door, 12V DC LPG Propane with Constant Temp & Anti-Freezing, CSA Certified for Camper Travel Trailer |
This RV water heater is perfect for campers, RV owners, and travel trailer enthusiasts who want instant hot water on the go. It’s easy to install and works great for anyone needing reliable, safe, and energy-efficient hot water during their outdoor adventures. |
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RVPart Pro RV Tankless Water Heater, 12V DC, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 3 Optional Door Sizes for Refitment, Compatible with All RVs |
This RVPart Pro RV Tankless Water Heater is perfect for RV families and campers who need reliable, instant hot water on the go. It’s easy to install and fits all RVs, making it ideal for hassle-free travel. |
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110V Tankless Water Heater Electric, 3000W Tankless Electric Water Heater Instant, Under Sink Water Heater with Digital Display, On Demand Hot Water Heaters Electric for Kitchen Washin Bathroom. |
This tankless water heater is perfect for small spaces like kitchens, bathrooms, apartments, RVs, and camping. It’s easy to install and saves space with its wall-mounted design. |
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KINGRVER KINGRVER XT48 Tankless RV Water Heater, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready |
This KINGRVER XT48 Tankless RV Water Heater is perfect for RV owners who want instant hot water and energy savings. It’s easy to install and works great even in high altitudes, making it ideal for all your travels. |
Detailed Reviews
Discover the top 10 on-demand water heaters for RVs, carefully selected based on expert reviews and customer feedback. Each product is evaluated for performance, features, and value, ensuring you find the perfect fit for your RV adventures. Whether you prioritize comfort, affordability, or energy efficiency, this guide has you covered—read on to make the best choice!
1. ORBEK 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
The ORBEK RV Tankless Water Heater is perfect for RV families and campers. It delivers 60,000 BTU of heat per minute, ensuring instant hot water for showers, dishes, and more. Its energy-saving design activates only when needed, so you never run out of hot water.
This heater uses high-performance technology with oxygen-free copper heat exchangers and brushless DC fans. It works smoothly even at high altitudes, like the Denver Plateau. The staged combustion keeps temperatures steady, avoiding cold spots and saving propane.
Easy to install and CSA certified, it comes with a smart remote control for adjusting temperature. The built-in pressure-reducing valve saves you time and money. Enjoy 24-month service support for peace of mind.
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Perfect For:
This RV tankless water heater is perfect for RV families and campers who want instant hot water on demand. It’s easy to install and saves energy, making it ideal for travel.
Ready to Purchase?
2. APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Hot Water with Black Door&Remote, 12V, 3.9 GPM, High Altitude Ready, CSA Certified, Compatible with All RVs,Ideal for RV Family & Camper
The APUS RV Tankless Water Heater delivers instant hot water for your RV. With 68,000 BTU and 3.9 GPM, it ensures endless hot water for showers, cleaning, and more. No waiting—just on-demand comfort.
Its compact design fits most RV spaces, replacing old tank heaters easily. Quick installation requires just 12V DC power and standard fittings. It’s high-altitude ready and works up to 9,800 feet, perfect for any adventure.
Built-in safety features include freeze protection, flame-out protection, and gas leak protection. Energy-saving technology keeps propane use low, saving you money. CSA certified for reliable performance.
| Pros | Cons |
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Perfect For:
This APUS RV Tankless Water Heater is perfect for RV families and campers who want endless hot water on their adventures. It’s easy to install, saves energy, and works safely in all conditions, making it ideal for anyone traveling in an RV.
Ready to Purchase?
3. APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Hot Water with White Door&Remote, 12V, 3.9 GPM, High Altitude Ready, CSA Certified, Compatible with All RVs,Ideal for RV Family & Camper
Enjoy endless hot water with the APUS RV Tankless Water Heater. Its 68,000 BTU power delivers 3.9 GPM of hot water instantly. Perfect for RVs and campers, it fits easily and replaces old tank heaters.
This heater works great at high altitudes and has built-in safety features. It saves energy, controls temperature precisely, and protects against freezing.
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Perfect For:
This RV tankless water heater is perfect for RV families and campers who want instant hot water on demand, easy installation, and reliable performance in high altitudes or cold weather. Its compact design, energy-saving features, and built-in safety make it ideal for outdoor adventures.
Ready to Purchase?
4. ORBEK RV Tankless Water Heater, Propane Gas On-Demand Instant Hot Water Heater for RV, Camper and Travel Trailer, Remote Control, DC 12V, Compatible with All RVs
The ORBEK RV Tankless Water Heater delivers instant hot water for your RV, camper, or travel trailer. Its 60,000 BTU propane system provides a stable flow of hot water, perfect for showers, dishes, and cleaning.
It works great at high altitudes, saves propane, and comes with a remote control for easy temperature adjustments. Plus, it’s CSA certified and includes a built-in pressure valve for hassle-free installation.
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Perfect For:
This RV tankless water heater is perfect for RV owners who want reliable hot water on the go. It’s great for travel trailers, campers, and motorhomes, offering continuous hot water for showers, dishes, and cleaning.
Ready to Purchase?
5. Xenjum RV Tankless Water Heater, 65000BTU Dual-Outlet Lockable Instant Camper Hot Water Heater with Controller, 12V Propane Saving Shower for Full Time RV, Off-Grid, High Altitude, 15×15 Inch Door
The Xenjum RV Tankless Water Heater gives you instant hot water in just 3 seconds. It’s perfect for RVs, off-grid living, and camping, with no waiting or interruptions.
It’s energy-saving, easy to control, and safe for kids. Comes with everything you need and 24-month support.
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Perfect For:
This Xenjum RV Tankless Water Heater is perfect for RV owners, campers, and off-grid enthusiasts who want instant, endless hot water. It’s ideal for showers, dishwashing, and outdoor activities, offering energy savings and reliable performance in any weather.
Ready to Purchase?
6. Poukaran 65,000 BTU RV Tankless Water Heater, High Altitude Available, DC 12V, On Demand Instant Hot Water Heater, with 15×15 inches White Door and Front Water Outlet, Compatible with all RVs
The Poukaran 65,000 BTU RV Tankless Water Heater gives you instant hot water anytime, anywhere. It’s propane-powered, so no electricity is needed, making it perfect for RV living.
Enjoy quick heating and stable temperatures with its high-performance design. It works great at high altitudes and is energy-efficient. Plus, it has double water outlets for indoor and outdoor use.
Stay safe with built-in features like freeze protection and automatic gas shut-off. It’s CSA certified and comes with 24 months of service, giving you peace of mind.
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Perfect For:
This Poukaran RV tankless water heater is perfect for RV owners who love outdoor adventures. It’s great for families or groups needing instant hot water while camping or traveling.
Ready to Purchase?
7. Novieex RV Water Heater, 60,000 BTU On-Demand Instant Tankless Hot Water Heater, 15″×15″ White Door, 12V DC LPG Propane with Constant Temp & Anti-Freezing, CSA Certified for Camper Travel Trailer
The Novieex RV Water Heater gives you instant hot water on demand. Its 60,000 BTU system delivers 3.6 GPM of hot water, so you never wait. It’s perfect for campers, RVs, and travel trailers.
It saves energy and keeps the temperature just right. The anti-freeze feature protects pipes in cold weather. It’s easy to install and fits standard RV openings.
This heater is CSA certified for safety. It works up to 4,500 feet and handles 150 PSI water pressure. Enjoy reliable hot water wherever you go.
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Perfect For:
This RV water heater is perfect for campers, RV owners, and travel trailer enthusiasts who want instant hot water on the go. It’s easy to install and works great for anyone needing reliable, safe, and energy-efficient hot water during their outdoor adventures.
Ready to Purchase?
8. RVPart Pro RV Tankless Water Heater, 12V DC, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 3 Optional Door Sizes for Refitment, Compatible with All RVs
The RVPart Pro RV Tankless Water Heater is perfect for RV families and campers. It uses propane gas to provide instant hot water on demand. With 60,000 BTU heating power, it delivers a stable flow of up to 3.5 GPM, making it ideal for showers and daily use.
This water heater is designed for RVs, fitting standard openings and replacing SUBURBAN and ATWOOD models. It comes with three door sizes (15″x15″, 15″x18″, 18″x18″) and includes a built-in 150 PSI pressure valve, saving you time and money. Installation is quick and easy, with clear instructions provided.
It’s safe and reliable, featuring flame failure protection, anti-freeze protection, and auto shut-off. The lightweight, compact design ensures hassle-free installation. CSA-certified and backed by 24-month support, it’s a smart choice for your RV.
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Perfect For:
This RVPart Pro RV Tankless Water Heater is perfect for RV families and campers who need reliable, instant hot water on the go. It’s easy to install and fits all RVs, making it ideal for hassle-free travel.
Ready to Purchase?
9. 110V Tankless Water Heater Electric, 3000W Tankless Electric Water Heater Instant, Under Sink Water Heater with Digital Display, On Demand Hot Water Heaters Electric for Kitchen Washin Bathroom.
This 110V tankless water heater heats water instantly with 3000W power. It’s compact and fits under sinks, perfect for small spaces. Enjoy hot water in seconds without waiting.
Safe and reliable, it has IPX4 waterproofing and leakage protection. The digital display shows temperature and status clearly. It’s energy-efficient, saving you money.
Easy to install with clear instructions and standard connections. Ideal for kitchens, bathrooms, or RVs. Not for showers, but great for other uses.
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Perfect For:
This tankless water heater is perfect for small spaces like kitchens, bathrooms, apartments, RVs, and camping. It’s easy to install and saves space with its wall-mounted design.
Ready to Purchase?
10. KINGRVER KINGRVER XT48 Tankless RV Water Heater, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready
The KINGRVER XT48 Tankless RV Water Heater is a compact, energy-saving solution for instant hot water in your RV. It fits most RVs and works on-demand, heating water only when you need it, saving propane and energy.
It’s high-altitude ready, works up to 9,800 feet, and has a wired remote for easy control. Plus, it’s safe with CSA certification and automatic shutoff features.
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Perfect For:
This KINGRVER XT48 Tankless RV Water Heater is perfect for RV owners who want instant hot water and energy savings. It’s easy to install and works great even in high altitudes, making it ideal for all your travels.
Ready to Purchase?
Buying Guide
On-demand water heaters make RV life better. They give instant hot water for showers, dishes, and more. This guide helps you pick the best one for your needs.
Factors to Consider When Buying:
– Power Source: Choose between propane gas or electricity. Propane works well for off-grid adventures, while electric models need a power hookup.
– BTU Output: Higher BTU means faster heating. Look for 60,000 BTU or more for quick, reliable hot water.
– Flow Rate (GPM): Gallons per minute (GPM) shows how much hot water the heater delivers. 3.5 GPM or higher is ideal for RVs.
– Size and Fit: Compact designs save space. Check if it fits your RV’s existing opening or requires modifications.
– Safety Features: Look for freeze protection, flame-out protection, and auto shut-off for peace of mind.
– Altitude Compatibility: If you travel to high places, ensure the heater works at high altitudes (e.g., 9,800 feet).
– Ease of Installation: CSA-certified models are safe and often come with clear instructions for DIY setup.
– Energy Efficiency: Energy-saving features reduce propane or electricity use, saving you money.
– Remote Control: A remote lets you adjust temperature easily without leaving your spot.
– Warranty and Support: Look for 24-month service or longer for added reliability.
With these factors in mind, you’ll find the perfect on-demand water heater for your RV adventures. Enjoy unlimited hot water wherever you go!