There’s nothing quite like a hot shower after a long day of hiking or a warm rinse for your dishes while you’re parked under the pines. But if your RV’s water heater is slow, noisy, or just plain out of space, it can put a real damper on your adventures. That’s why we’ve rounded up the best RV water heaters on the market—from tankless on-demand units to reliable tank-style workhorses.
This guide breaks down ten top-rated options, highlighting their standout features, ideal use cases, and potential drawbacks. Whether you’re a full-time RVer needing endless hot water or a weekend camper looking for a straightforward upgrade, you’ll find the details you need to make a smart choice for your home on wheels.
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ORBEK RV Tankless Water Heater, Propane, 12V DC, For RV Family & Camper
Best forHigh-altitude mountain campers
- 60,000 BTU for strong output
- High-altitude mode for mountains
ConsiderDoor panels sold separately
Suburban SW6D 6-Gallon RV Water Heater, Direct Spark Ignition (5238A)
Best forReliable tank-style replacement
- Porcelain-lined steel tank
- Replaceable anode rod
ConsiderLimited to 6 gallons
VEVOR RV Tankless Water Heater, 65000 BTU, Instant Shower with 15 x 15 in W…
Best forYear-round family camping
- 65,000 BTU for fast heat
- Segmented combustion for seasons
ConsiderMay require professional install
FOGATTI InstaShower 8 Plus RV Tankless Water Heater, Propane, 12V DC
Best forMountain and high-elevation trips
- Works up to 9,800 feet
- 2.9 GPM hot water output
ConsiderPropane and 12V required
FOGATTI InstaShower 7 RV Tankless Water Heater, Propane On Demand Hot Water
Best forCompact family RVs
- 48,000 BTU output
- Pre-installed 150 PSI valve
ConsiderLower GPM than larger models
Suburban SW12DE 12-Gallon RV Water Heater, DSI & Electric (5247A)
Best forLarge families and big rigs
- 12-gallon capacity
- Dual propane and electric
ConsiderTakes up more space
KINGRVER 6 Gallon RV Water Heater
Best forVersatile power source needs
- Three heating modes
- Remote temperature control
ConsiderRequires extra depth
VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inche…
Best forEfficient all-season camping
- 42,000 BTU output
- Segmented combustion saves energy
ConsiderLower BTU than larger models
Suburban ST-60 60,000 BTU RV Tankless Water Heater, Freeze Protection
Best forSafety-conscious families
- Flame out protection
- Child lock feature
ConsiderNo electric option
VEVOR RV Tankless Water Heater 42000 BTU with 15 x 15 in Black Access Door
Best forStyle-conscious RV owners
- Black door for aesthetics
- 42,000 BTU output
ConsiderSame specs as white model
ORBEK RV Tankless Water Heater – Continuous Hot Water
Brand: Orbek
A reliable tankless choice for campers who frequent high elevations.
The ORBEK RV tankless water heater packs a 60,000 BTU propane burner that delivers a steady stream of hot water for showers, dishwashing, and everyday use. Its oxygen-free copper heat exchangers and brushless DC fans adapt to high altitudes, so you can climb mountain passes without losing performance. The unit runs on 12V DC, making it a straightforward fit for most RV electrical systems.
Installation is designed to be quick with standard RV connections, and you can purchase door panels separately in black or white to match your rig’s exterior. It fits common cutout sizes like 15×15, 15×18, and 18×18 inches. If you’re tired of running out of hot water mid-shower, this tankless option keeps the warmth flowing as long as you need it.
- 60,000 BTU for strong output
- High-altitude mode for mountains
- Standard RV connections for easy install
- Door panels sold separately
- Requires 12V DC power
Suburban SW6D 6-Gallon Tank Heater – Durable Classic
The Suburban SW6D is a 6-gallon tank water heater built with a porcelain-lined steel tank that mimics the durability of residential models. It includes a replaceable anode rod that doubles as a drain, giving you extra protection against corrosion and making maintenance a breeze. With direct spark ignition, you get reliable propane heating without the hassle of a pilot light.
One of its standout features is the optional electric element, so you can use campsite or generator power to heat water when you’re not running propane. Suburban’s exclusive flue tube design slows combustion for better heat transfer, meaning you get more warmth from every drop of fuel. This is a solid, time-tested option for RVers who prefer a traditional tank setup.
- Porcelain-lined steel tank
- Replaceable anode rod
- Optional electric element
- Limited to 6 gallons
- Heavier than tankless models
VEVOR 65000 BTU Tankless Heater – Rapid Heating
The VEVOR RV tankless water heater brings 65,000 BTU of heating power, ensuring fast hot water for showers, dishwashing, and daily routines. It’s CSA certified and features segmented combustion technology, which adjusts output based on seasonal conditions so you get comfortable water year-round. The clear LED display and touch buttons make temperature adjustments simple, even when you’re in a hurry.
This model includes both an internal outlet and a front water outlet, giving you flexibility for outdoor use like rinsing off gear or filling a portable basin. The white 15×15-inch door is included, and a remote controller lets you tweak settings from a distance. If you want a powerful, feature-rich tankless heater, this VEVOR delivers.
- 65,000 BTU for fast heat
- Segmented combustion for seasons
- Remote controller included
- May require professional install
- Door color only white
FOGATTI InstaShower 8 Plus – High-Altitude Ready
The FOGATTI InstaShower 8 Plus is engineered to run smoothly up to 9,800 feet, making it a top pick for RVers who love mountain destinations. With 55,000 BTU of power, it produces up to 2.9 gallons per minute of hot water, lasting 40+ minutes compared to the typical 8 minutes from a tank heater. That means no more cold surprises in the middle of your shower.
This tankless unit is designed to replace most RV water heaters, with a 13×13-inch opening and a 15×15-inch door. It runs on propane and 12V DC, so it integrates easily into your existing system. If you’re planning trips to Denver or beyond, this model’s altitude mode keeps performance steady where others might falter.
- Works up to 9,800 feet
- 2.9 GPM hot water output
- Replaces most RV heaters
- Propane and 12V required
- Door size may not fit all
FOGATTI InstaShower 7 – Compact Tankless Option
The FOGATTI InstaShower 7 delivers 2.5 gallons of hot water per minute with 48,000 BTU of heat output, ideal for busy families on the road. It features high-altitude suitability up to 9,800 feet, so you can take it into the mountains without worrying about performance drops. The tankless design means you only heat water when you need it, saving energy and space.
This unit comes with a pre-installed 150 PSI valve and a 6.6-foot smart remote, giving you easy control over temperature and flow. It’s designed to replace most RV water heaters, with multiple door options in black or white to match your exterior. For a compact yet capable tankless heater, the InstaShower 7 is a strong contender.
- 48,000 BTU output
- Pre-installed 150 PSI valve
- Smart remote included
- Lower GPM than larger models
- Door options may need extra purchase
Suburban SW12DE 12-Gallon Tank Heater – Large Capacity
The Suburban SW12DE is a 12-gallon tank water heater that offers more hot water capacity for larger RVs or families. It features a porcelain-lined steel tank for durability and a replaceable anode rod to fight corrosion, just like its smaller sibling. With both DSI (direct spark ignition) and electric operation, you can choose between propane and campsite power.
Suburban’s exclusive flue tube design enhances heat transfer, making the most of your fuel. The 12-gallon capacity means you can take longer showers or run multiple appliances without waiting for a recharge. If you have the space and need a heavy-duty tank heater, this model is built to last.
- 12-gallon capacity
- Dual propane and electric
- Durable porcelain-lined tank
- Takes up more space
- Longer recovery time than tankless
KINGRVER 6 Gallon Heater – Triple Heating Modes
The KINGRVER 6-gallon RV water heater offers triple heating flexibility: gas only, electric only, or a gas and electric hybrid. This lets you choose the most efficient method based on your hookups, whether you’re boondocking or plugged into shore power. The gas mode uses 12V DC ignition, so it works with your RV’s battery system.
It’s designed to fit most 4-6 gallon RV water heater cutouts, with dimensions of 21×12.8×12.8 inches and a recommendation for at least 3 inches of additional depth. The included remote controller lets you adjust water temperature easily from inside your rig. If you want a versatile tank heater that adapts to your power situation, this is a great pick.
- Three heating modes
- Remote temperature control
- Fits common cutouts
- Requires extra depth
- May need adapter for some setups
VEVOR 42000 BTU Tankless Heater – Efficient All-Season
The VEVOR 42,000 BTU tankless water heater delivers hot water quickly for showers and dishwashing, with segmented combustion technology that adjusts output for seasonal changes. This energy-saving feature ensures you’re not wasting propane in warmer months. The LED smart display and touch controls make it easy to set your preferred temperature.
This model includes both an internal and front water outlet, giving you options for outdoor use. The white 15×15-inch door is included, and a remote controller adds convenience. If you’re looking for a mid-range tankless heater that balances power and efficiency, this VEVOR is worth considering.
- 42,000 BTU output
- Segmented combustion saves energy
- LED display and remote
- Lower BTU than larger models
- White door only
Suburban ST-60 Tankless Heater – Safety First
Brand: Suburban
A safety-focused tankless heater with family-friendly features.
The Suburban ST-60 tankless water heater prioritizes safety with advanced flame out protection that instantly cuts gas supply if the flame goes out. It also includes an internal high-temperature kill switch for scald protection, ensuring you never get burned by overly hot water. For families, the child lock feature prevents outlet temperatures from exceeding 113°F, adding peace of mind.
This unit saves energy by only engaging the burners when water is needed, reducing propane consumption. With 60,000 BTU of power, it delivers on-demand hot water without the bulk of a tank. If safety is your top priority, the ST-60 is a standout choice.
- Flame out protection
- Child lock feature
- Energy-saving tankless design
- No electric option
- May be pricey
VEVOR 42000 BTU Black Door Heater – Stylish Option
The VEVOR 42,000 BTU tankless water heater with a black access door offers the same rapid heating and all-season performance as its white counterpart, but with a sleeker look. It uses segmented combustion to adjust output based on the season, saving energy while keeping you comfortable. The LED smart display and touch controls make operation straightforward.
This model includes both internal and front water outlets, so you can use hot water outside for tasks like cleaning or washing. The black door adds a modern touch to your RV’s exterior. If you prefer a darker aesthetic, this VEVOR delivers functionality with style.
- Black door for aesthetics
- 42,000 BTU output
- Dual water outlets
- Same specs as white model
- No color options beyond black
Buyer’s Guide: What to Consider
Choosing the right RV water heater involves balancing capacity, fuel type, and your travel habits. This guide covers the key factors to consider, helping you match a product to your specific needs without overspending or sacrificing comfort.
- Tank vs. Tankless: Tank heaters store a fixed amount of hot water, typically 6 or 12 gallons, and reheat as needed. They’re simple, durable, and often cheaper. Tankless models heat water on demand, providing endless hot water but requiring more power and a higher upfront cost. Consider your usage patterns and space.
- BTU Output: BTU (British Thermal Units) measures heating power. Higher BTU means faster heating and more hot water per minute. For tankless units, look for 42,000 to 65,000 BTU for good performance. Tank heaters typically have lower BTU but rely on stored water. Match BTU to your shower flow rate and family size.
- Fuel Source: Most RV water heaters run on propane, but some offer electric elements for use with shore power. Dual-fuel models give you flexibility, letting you switch based on availability. Consider your typical camping style—boondocking may require propane, while campgrounds with hookups allow electric-only operation.
- Altitude Capability: If you camp in mountainous areas, check the heater’s altitude rating. Standard units may struggle above 5,000 feet, but some models are designed to work up to 9,800 feet. This feature ensures consistent performance in high elevations, preventing flame issues or reduced output.
- Installation and Fit: Measure your existing cutout and door size before buying. Common sizes include 15×15, 15×18, and 18×18 inches. Tankless units are often smaller and lighter, but may require additional depth. Ensure the heater’s connections match your RV’s plumbing and electrical system for a smooth install.
Conclusion
Selecting the best RV water heater comes down to your priorities: endless hot water with a tankless model, or the simplicity of a traditional tank. For high-altitude adventurers, the FOGATTI InstaShower 8 Plus and ORBEK stand out, while Suburban’s tank heaters offer proven durability. VEVOR models provide great value with smart features.
Think about your typical camping style, family size, and budget. If you need reliability and space efficiency, tankless is the way to go. If you prefer a no-fuss, time-tested solution, a tank heater from Suburban or KINGRVER won’t disappoint. Whichever you choose, you’ll enjoy warmer showers and happier travels.
Erica Steven is the founder and lead writer of WorstBrands, a site dedicated to providing honest and trustworthy reviews about outdoor gear and fashion products.
With a passion for exploring the great outdoors and staying up to date on the latest fashion trends, Erica uses her expertise to provide valuable insights into the products that matter most to her readers.
Whether you're looking for camping equipment or the latest fashion accessories, Erica's articles are the perfect resource for finding the best products that fit your lifestyle.