Best RV Tankless Water Heaters for Quick, on-Demand Hot Water
When choosing an RV tankless water heater, the top factors are reliable on-demand hot water, propane efficiency, altitude performance, and easy installation. This guide highlights five models well-suited for motorhomes, travel trailers, and campers, with clear guidance on who each is best for and why. Whether you need faster showers, better anti-freeze protection, or simple remote control operation, these options help you keep moving without cold-water surprises.
Summary of selected products
| Product | Key Benefit | Best For |
|---|---|---|
| Orbek RV Tankless Water Heater (Black/White) with Remote | 60,000 BTU; energy-efficient; remote control | Busy families needing reliable, controllable hot water |
| NOVIEEX RV Water Heater | 60,000 BTU; precise temperature control; anti-freeze protection | Families who travel in varied climates |
| Xenjum RV Tankless Water Heater | 65,000 BTU; dual outlets; remote control | Full-time RVers needing hot water access in multiple rooms |
| LiberLive RV Tankless Water Heater | 55,000 BTU; 3.9 GPM; door-size compatibility | Upgrade or replacement with broad compatibility |
| APUS RV Tankless Water Heater | 68,000 BTU; 3.9 GPM; high-altitude ready | Compact installs needing robust performance |
Orbek RV Tankless Water Heater With Remote
Features include 60,000 BTU of heat output and a burner that activates only when hot water is needed, conserving propane. The system uses oxygen-free copper heat exchangers and brushless DC fans to adapt to high altitudes, with staged combustion for steady temperatures and energy efficiency. It is available in black or white with multiple door options, making retrofit straightforward for a range of RV models. This unit is compatible with other tankless brands, supporting upgrade or replacement projects.
Best for: RV families that require consistent hot water on demand with straightforward remote control operation. Why selected: High heat output, altitude adaptability, and retrofit compatibility streamline installation and long-term use. Caution: Ensure the installation space and door size meet the 15″ x 15″ or larger requirements sold separately.
Novieex RV Water Heater 60,000 BTU
This model provides on-demand hot water with a high-power 60,000 BTU heater delivering about 3.6 GPM. It features electronic regulation for precise temperature control, maintaining temperatures between 95°F and 123°F. Anti-freeze protection automatically activates when pipe temperatures drop, and the system includes safety safeguards to shut off gas if exhaust or overheating occurs. CSA certification supports compliance in camper environments.
Best for: Families that travel across climates and need reliable, adjustable water temperatures. Why selected: Combines strong GPM with anti-freeze protection and safety cutoffs. Caution: Temperature range is a narrow band; verify your preferred settings align with your normal routines.
Orbek 60,000 BTU Tankless (High Altitude Ready)
This unit delivers stable hot water flow up to 3.5–3.9 GPM and is designed for high-altitude use with oxygen-free copper heat exchangers and brushless DC fans. A smart remote control adjusts water temperature from 95°F to 123°F and displays error codes for quick troubleshooting. It includes a built-in 150 PSI pressure-reducing valve, reducing the need for extra install parts. Stage combustion helps optimize propane usage and maintain consistent temperatures.
Best for: RV travelers needing high altitude compatibility and integrated remote operation. Why selected: Altitude resilience and convenient smart remote control make it a flexible upgrade. Caution: Verify the space and door opening size required for installation.
LiberLive RV Tankless Water Heater Propane
Providing about 55,000 BTU and up to 3.9 GPM, this model emphasizes replacement-friendly design with a wider 15″ x 15″ door. It uses staged combustion to manage flame size and reduce overheating, delivering energy efficiency that lowers propane consumption. The product highlights a 95°F–124°F temperature range and compatibility with various RV brands, including an optional exterior door kit for complete customization.
Best for: RV owners upgrading from older storage-type heaters or needing an easier retrofit. Why selected: Compatibility and energy-saving features commonly needed in longer trips. Caution: Exterior door kit is sold separately, which could affect initial installed look.
APUS RV Tankless Water Heater 68,000 BTU
APUS offers 68,000 BTU and 3.9 GPM with high-altitude readiness for up to 9,800 feet. The compact, 14.96″ x 14.96″ x 14.18″ design supports straightforward installation with a 12V DC power connection. It emphasizes rapid hot water delivery on demand and includes standard NPT fittings to facilitate mounting in many RV layouts. The product is CSA certified for use in mobile environments.
Best for: RVers needing robust performance in a compact form with straightforward installation. Why selected: The high BTU rating and compact dimensions suit tight spaces without sacrificing flow. Caution: Ensure your rig’s electrical setup supports 12V DC power requirements.
Buying Guide: Key Factors To Consider
What should you check before buying an RV tankless water heater?
- Heat output and flow rate: Higher BTU and GPM support more simultaneous hot water use without temperature drops.
- Altitude readiness: Look for units explicitly designed for high-altitude operation if you travel mountains or plateaus.
- Power and fuel type: Most RV heaters run on propane with 12V DC ignition; confirm compatibility with your RV’s systems.
- Temperature control: Temperature range and remote controls help maintain comfort and reduce propane waste.
- Installation compatibility: Check opening sizes (door dimensions) and whether optional exterior or interior doors are needed.
- Safety features: Anti-freeze protection, automatic shutoffs for exhaust issues, and error code displays aid maintenance and safety.
What installation considerations should I know?
Most RV tankless heaters require a standard cutout and can replace older storage heaters. Some models include a door kit option; others require separate purchases. Ensure the electrical and gas supply lines meet the unit’s requirements and that your RV’s interior space allows proper venting and clearance for installation. If you frequently travel in cold weather, prioritize anti-freeze protection and reliable cold-water startup.
Which features drive best value?
- Remote control and clear temperature readouts
- High inlet water temperature adjustment and precise regulation
- Altitude adaptability and staged combustion for propane efficiency
- Multiple outlets for supply to multiple fixtures
Maintenance and safety tips
Regularly inspect venting, seals, and wiring connections. Check for gas leaks and ensure proper venting clearances. Use the automatic anti-freeze mode in freezing environments and test safety shutoffs periodically as part of routine RV maintenance.
Frequently Asked Questions
- What is the typical GPM for RV tankless heaters?
Most models provide between 3.5 and 3.9 GPM, depending on BTU and water inlet temps. - Are RV tankless heaters safe at high altitudes?
Yes, models designed for high altitude use are built to maintain stable temperatures and efficient combustion. - Do these units require a professional installation?
Many installations are DIY-friendly with standard cutouts, but professional help is recommended for gas fittings and venting. - Can I replace an older storage water heater with a tankless model?
In many cases, yes, if you match door openings and alignment with replacement kits or compatible dimensions. - Do tankless heaters waste propane when not in use?
On-demand systems only burn propane when hot water is demanded, improving efficiency over storage heaters. - Is CSA certification important?
CSA certification indicates compliance with safety standards suitable for mobile and RV use.