Answering the needs of campers, full-time RV travelers, and off-grid adventurers, these gas-powered water heaters deliver instant hot water, high altitude performance, and compact installations. The top picks below are best for different traveler types: frequent shower lovers, off-grid nomads, and weekend campers who want reliable hot water without a bulky setup. A quick summary table helps you compare key specs at a glance.
| Product | BTU / GPM | Best For | Notes |
|---|---|---|---|
| Somokg Store RV Tankless Water Heater | 65,000 BTU • 3.9 GPM | High-demand showers, off-grid use | High altitude up to 9840 ft, anti-freeze, remote |
| APUS RV Tankless Water Heater | 68,000 BTU • 3.9 GPM | Long RV showers, standard RV openings | 12V DC, high altitude up to 9,800 ft |
| ORBEK RV Tankless Water Heater | 60,000 BTU | Consistent cold-weather hot water | High-altitude safety, optional door panels |
| Xenjum RV Tankless Water Heater | 65,000 BTU • 3.9 GPM | Dual outlets, exterior supply | Remote control, energy savings |
| Suburban SW6D 6-Gallon | 6 gal tank | Backup or electric-friendly campsites | Direct spark ignition, corrosion protection |
Somokg Store RV Tankless Water Heater

This propane-powered, 65,000 BTU tankless unit provides up to 3.9 GPM with rapid heating. Temperature control is precise to ±1°F, ensuring consistent showers. It includes a 15″×15″ lockable door and a remote control for easier operation, making it well-suited for off-grid camping where stable heat and ease of use matter.
Best for: campers who want instant hot water, strong ignition at high altitude, and a simple remote-assisted control. It’s particularly suitable for off-grid rigs that rely on propane heat.
Caution: users should verify venting and clearance requirements in their RV compartment, as improper venting can affect performance and safety.
APUS RV Tankless Water Heater

APUS offers 68,000 BTU and up to 3.9 GPM with 12V DC power. It supports long RV showers and is designed to fit most standard RV water heater compartments, making installation straightforward. Elevation performance is rated up to 9,800 ft with freeze protection for winter trips.
Best for: RV travelers who need dependable high-temperature water with a compact footprint and a remote control for convenient temperature management.
Caution: the unit replacement may require attention to cutout compatibility; verify measurements before purchase to ensure a correct fit.
ORBEK RV Tankless Water Heater

ORBEK delivers continuous on-demand hot water with a 60,000 BTU propane burner. It’s built for high-altitude use, with optional 15″×15″ to 18″ door panels for a coordinated RV look. The device emphasizes staged combustion for temperature stability and propane efficiency.
Best for: campers who prioritize reliable hot water at various elevations and want a modular door panel option to match their RV interior.
Caution: confirm fit with your RV’s cutout size, since panel availability varies and incorrect sizing can complicate installation.
Xenjum RV Tankless Water Heater

This 65,000 BTU unit delivers 3.9 GPM with dual interior and exterior outlets for flexible hot water distribution. It includes a remote control for temperature management and features automatic season adjustments to save propane and maintain comfort in varying climates.
Best for: RVs that need hot water in multiple zones (bathroom, kitchen, and outdoor use) and want easier temperature control from a single remote.
Caution: ensure your electrical system can support 12V operation and that the exterior outlet is protected from weather exposure when outdoors.
Suburban SW6D 6-Gallon RV Water Heater

Suburban’s 6-gallon unit combines a porcelain-lined steel tank with a replaceable anode rod, facilitating corrosion protection and easier maintenance. It also supports an optional electric element, offering versatility for campsite or generator power when propane is limited.
Best for: RV owners seeking a durable backup water heater that can run on electricity and propane, with straightforward maintenance features.
Caution: for off-grid camping, rely primarily on propane to ensure continuous hot water during long periods without electric power.”
Buying Guide
What to consider when choosing a gas water heater for a camper
Hot water flow needs: Determine your typical shower length and whether you need multiple outlets (bathroom, kitchen, outdoors). Look for GPM ratings around 3.5–3.9 for steady performance.
Altitude performance: For mountain trips, select models rated to work reliably at high elevations. This avoids cold-water bursts or delayed heating in cold climates.
Power source compatibility: Most RV tankless heaters run on propane with optional 12V DC operation. Verify your RV’s propane system and battery capacity align with the unit’s requirements.
Installation fit: Check cutout sizes (commonly 15″×15″ or 15″×18″) and existing openings. Some models include optional door panels to match your RV’s interior style.
Controls and safety: Remote controls or wall-mounted thermostats simplify temperature management. Look for precise temperature control (+/− 1°F) and automatic flame adjustment for seasonal efficiency.
Durability and maintenance: Features like anti-freeze protection, corrosion-resistant heat exchangers, and replaceable anode rods extend lifespan and reduce maintenance complexity in harsh travel environments.
FAQ
- Q: Do these heaters require electricity to run?
- A: Most operate on propane with 12V DC support for ignition and control; some include electric options for optional warming when connected to shore power.
- Q: Can they handle cold-weather RV camping?
- A: Yes, many models include freeze protection and high-altitude performance to prevent damage and maintain heat.
- Q: Are dual-outlet heaters worth it?
- A: Dual outlets provide hot water across multiple fixtures, improving convenience for larger rigs or families.
- Q: How do I know which cutout size to choose?
- A: Compare your RV’s standard water heater opening measurements (e.g., 15″×15″ or 15″×18″) with the unit’s required opening; some models offer compatible door panels as optional accessories.
- Q: Is a tankless heater better than a 6-gallon tank in an RV?
- A: Tankless units supply endless hot water and are more space-efficient, while a 6-gallon tank provides simple, reliable warm water without continuous propane use in some setups.