Best Tankless Water Heaters For Rvs

Looking for the best tankless water heaters for RVs? We’ve rounded up the top 10 options to give you instant hot water and a hassle-free travel experience.

RV tankless water heaters are a game-changer for travelers. They provide instant hot water on demand, making life on the road more comfortable. Say goodbye to waiting for a tank to heat up and hello to endless hot showers.

These heaters are compact, energy-efficient, and easy to install. They fit perfectly in RVs, saving space and reducing energy costs. Plus, they come with safety features like freeze protection and automatic shut-off.

With so many options available, finding the perfect RV tankless water heater can be overwhelming. But don’t worry—we’ve done the research for you. Let’s dive into the best choices to keep your adventures warm and hassle-free.

List of Top 10 Tankless Water Heaters For Rvs

Image Title Best For Price
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 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 endless hot water on the go. It’s easy to install and saves energy, making it ideal for travel.

View on Amazon (paid link)
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 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.

View on Amazon (paid link)
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 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 tankless water heater is ideal for RV families and camper owners who need instant hot water. It fits most vans, saves fuel, and stays safe at high altitudes.

View on Amazon (paid link)
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, 15x15 Inch Door 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 water heater is perfect for RV owners, campers, and anyone living off-grid who wants instant hot water without wasting propane. It’s ideal for those who value comfort, safety, and reliability while traveling or full-time RV living.

View on Amazon (paid link)
VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches White Door and Remote Controller, Ideal for RVers' Family Everyday Use (Propane) VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches White Door and Remote Controller, Ideal for RVers’ Family Everyday Use (Propane)

This VEVOR RV Tankless Water Heater is perfect for RVers and outdoor enthusiasts who need reliable, instant hot water on the go. It’s ideal for families who enjoy camping, road trips, or outdoor adventures and want convenience and comfort all year round.

View on Amazon (paid link)
Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand Instant Hot Water, 12V Powered, High Altitude Ready, CSA Approved, Multi-Function Controller, Ideal for Simultaneous Use and Family Use Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand Instant Hot Water, 12V Powered, High Altitude Ready, CSA Approved, Multi-Function Controller, Ideal for Simultaneous Use and Family Use

This tankless water heater is perfect for RVers who need reliable hot water. It’s great for families or multiple users who want simultaneous hot water and longer showers.

View on Amazon (paid link)
VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches Black Door and Remote Controller, Ideal for RVers' Family Everyday Use VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches Black Door and Remote Controller, Ideal for RVers’ Family Everyday Use

This RV tankless water heater is perfect for families on the road who want instant hot water for showers, dishes, and outdoor use. It’s made for RVers who value comfort, convenience, and easy setup every day.

View on Amazon (paid link)
CAMMOO 65000BTU RV Tankless Water Heater with Door, Dual Outlet, 12V DC CAMMOO 65000BTU RV Tankless Water Heater with Door, Dual Outlet, 12V DC

This product is perfect for RV owners who want fast, reliable hot water anywhere they travel. It’s ideal for campers who value comfort, safety, and easy setup on the road.

View on Amazon (paid link)
Gidrox RV Tankless Water Heater 48,000 BTU, 2.5 GPM On-Demand Instant Hot Water, 12V DC, High Altitude Ready Up to 9,800ft, CSA Certified Energy Saving Heater for RVs and Campers Gidrox RV Tankless Water Heater 48,000 BTU, 2.5 GPM On-Demand Instant Hot Water, 12V DC, High Altitude Ready Up to 9,800ft, CSA Certified Energy Saving Heater for RVs and Campers

The Gidrox RV Tankless Water Heater is perfect for RV and camper owners who want endless hot water on their weekend trips. It’s ideal for small groups of 2-3 people and works great in travel trailers and Class B vans.

View on Amazon (paid link)
RVPart Pro RV Tankless Water Heater, Propane-Powered, with 15 RVPart Pro RV Tankless Water Heater, Propane-Powered, with 15″×15″ White Door and Remote Control, 12V DC, Compatible with All RVs, GT60

This RVPart Pro RV Tankless Water Heater is perfect for RV owners who want endless hot water on the go. It’s easy to install and saves energy, making it ideal for travel.

View on Amazon (paid link)

Detailed Reviews

Here are the Best Tankless Water Heaters for RVs chosen with expert care and real customer feedback. Each model is reviewed for performance, safety, and value. This guide makes it easy to find the perfect fit for your RV lifestyle. Read on to discover which heater gives you the comfort and confidence you deserve.

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

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 instant hot water on demand, saving energy and time. Enjoy endless hot water without waiting for a tank to heat up.

This heater works smoothly at high altitudes and keeps temperatures even and safe. It’s CSA certified with safety features like frost protection and automatic gas shut-off. Plus, it’s easy to install and fits all RVs.

The remote control lets you adjust the temperature effortlessly. It also shows error codes for quick fixes. With 24-month support, ORBEK ensures stress-free operation for your RV adventures.

Pros Cons
  • Instant hot water for showers, dishes, and more, anytime.
  • Energy-saving propane use, perfect for long RV trips.
  • Easy DIY install, no professional help needed.
  • Safe and reliable, CSA certified with frost protection.
  • Smart remote control adjusts temperature effortlessly.
  • Requires drilling and setup during installation
  • Limited temperature range (95°F–123°F)
  • Propane use may add extra fuel costs

Perfect For:

This RV tankless water heater is perfect for RV families and campers who want endless hot water on the go. 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

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 gives you instant hot water anytime. It’s powerful and compact, perfect for RVs. Enjoy endless showers and easy cleaning on the go.

It’s easy to install and fits most RV spaces. Works great even at high altitudes, up to 9,800 feet. Safe to use with built-in freeze and gas leak protection.

Saves energy and keeps water at the right temperature. CSA certified for peace of mind. Ideal for RV families and campers.

Pros Cons
  • Instant hot water: Instant hot water anytime.
  • Compact design: takes less space.
  • High‑altitude ready: works up to 9,800 ft.
  • Safety first: built‑in flame‑out & freeze protection.
  • Fuel saver: uses just enough gas.
  • Requires propane; no electric option
  • Needs 12‑V power—good battery required
  • Vent required; can’t mount in tight spots

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

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

The APUS RV Tankless Water Heater gives you instant hot water with a strong 68,000 BTU output. It runs on 12V propane and only takes up a small space inside your RV.

It works well up to 9,800 feet and has built‑in freeze protection. The unit is energy‑saving, keeping water at a steady 95–124°F. It is CSA certified for safe use in any weather.

Pros Cons
  • Endless hot water anytime, anywhere.
  • Compact design fits all RVs with ease.
  • High-altitude ready for mountain adventures.
  • Smart freeze protection keeps it safe in cold.
  • Energy-saving control cuts propane costs.
  • Needs constant power and ventilation in cold weather.
  • Installation requires basic plumbing and electrical skills.
  • No battery backup for remote control.

Perfect For:

This tankless water heater is ideal for RV families and camper owners who need instant hot water. It fits most vans, saves fuel, and stays safe at high altitudes.

Ready to Purchase?

4. 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

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, 15x15 Inch Door

Get instant hot water anywhere you travel. The Xenjum RV Tankless Water Heater gives you endless supply in just 3 seconds.

It saves propane with on-demand heating. It works indoors and outdoors. It keeps water steady and safe.

It handles high altitudes with ease. It protects against freezing. It installs fast with all parts included.

Pros Cons
  • Instant hot water in 3 seconds, no waiting.
  • Energy-saving design, cuts propane waste.
  • Dual outlets for indoor and outdoor use.
  • Freeze protection ensures year-round reliability.
  • Child-safe lock adds extra safety.
  • High initial cost compared to traditional RV water heaters.
  • Requires propane supply, adding ongoing fuel expenses.
  • Installation might need professional help for some users.

Perfect For:

This water heater is perfect for RV owners, campers, and anyone living off-grid who wants instant hot water without wasting propane. It’s ideal for those who value comfort, safety, and reliability while traveling or full-time RV living.

Ready to Purchase?

5. VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches White Door and Remote Controller, Ideal for RVers’ Family Everyday Use (Propane)

VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches White Door and Remote Controller, Ideal for RVers' Family Everyday Use (Propane)

The VEVOR RV Tankless Water Heater delivers instant hot water with 42,000 BTU of power. It’s perfect for showers, dishes, and more, making it a must-have for RVers.

It works all year, adjusts to seasonal changes, and has easy controls with an LED display. Plus, it includes an outdoor water outlet for extra convenience.

Pros Cons
  • Instant hot water for showers, dishes, and more.
  • All-season comfort with smart temperature adjustments.
  • Easy control via LED display and touch buttons.
  • Outdoor outlet for pet and vehicle cleaning convenience.
  • Fits most RVs with quick, hassle-free setup.
  • Propane only — no electric option available
  • Installation required — not plug-and-play
  • Outdoor outlet may reduce indoor water pressure

Perfect For:

This VEVOR RV Tankless Water Heater is perfect for RVers and outdoor enthusiasts who need reliable, instant hot water on the go. It’s ideal for families who enjoy camping, road trips, or outdoor adventures and want convenience and comfort all year round.

Ready to Purchase?

6. Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand Instant Hot Water, 12V Powered, High Altitude Ready, CSA Approved, Multi-Function Controller, Ideal for Simultaneous Use and Family Use

Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand Instant Hot Water, 12V Powered, High Altitude Ready, CSA Approved, Multi-Function Controller, Ideal for Simultaneous Use and Family Use

The Gen II Ranein RV Tankless Water Heater delivers instant, reliable hot water for your RV. With 65,000 BTU, it heats water faster and handles cold weather easily. Enjoy stronger flow and stable temperatures for longer showers.

It’s easy to install, fitting standard RV cutouts and replacing most tank heaters. The multi-function remote shows real-time data like gas use and water flow. High altitude ready and freeze protection make it safe and durable.

Ideal for families, it supports simultaneous use. CSA certified and 12V powered, it’s RV-ready. Built with oxygen-free copper for long-lasting efficiency.

Pros Cons
  • Instant hot water with strong flow and pressure
  • Fits standard RV cutouts for easy replacement
  • Works at high altitude up to 9,800 ft
  • Built-in freeze protection for cold climates
  • Durable copper design for long-lasting performance
  • Exterior door not included, requires separate purchase for installation.
  • No built-in door kits, adds extra cost and setup time.
  • 12V power only, limits use to RVs with compatible systems.

Perfect For:

This tankless water heater is perfect for RVers who need reliable hot water. It’s great for families or multiple users who want simultaneous hot water and longer showers.

Ready to Purchase?

7. VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches Black Door and Remote Controller, Ideal for RVers’ Family Everyday Use

VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches Black Door and Remote Controller, Ideal for RVers' Family Everyday Use

Get hot water fast with 42,000 BTU power. Enjoy instant showers and easy dishwashing anytime. The LED smart display makes control simple.

Use it all year round with smart temperature adjustment. Perfect for indoor and outdoor use on any RV adventure.

Pros Cons
  • Instant hot water for showers, dishes, and more.
  • All-season comfort with smart temperature adjustments.
  • Easy control via LED display and touch buttons.
  • Outdoor outlet for pet and vehicle cleaning convenience.
  • Fits most RVs with quick, hassle-free setup.
  • High BTU may not suit all RV power setups.
  • Outdoor outlet placement limits some indoor uses.
  • Installation requires basic plumbing and gas knowledge.

Perfect For:

This RV tankless water heater is perfect for families on the road who want instant hot water for showers, dishes, and outdoor use. It’s made for RVers who value comfort, convenience, and easy setup every day.

Ready to Purchase?

8. CAMMOO 65000BTU RV Tankless Water Heater with Door, Dual Outlet, 12V DC

CAMMOO 65000BTU RV Tankless Water Heater with Door, Dual Outlet, 12V DC

Get hot water fast. Get it anywhere you go. Get it with CAMMOO 65000BTU RV Tankless Water Heater.

Enjoy instant heating with 65,000 BTU power. The smart chip keeps water steady within ±3°F. No more sudden hot or cold shocks.

Stay safe and ready with CSA certification and built-in protections. Easy plug-and-play setup makes installation simple. Travel with comfort and confidence.

Pros Cons
  • Instant hot water in 3 seconds, even in cold weather.
  • All-in-one package saves time and upgrades travel comfort.
  • Smart flame adjustment adapts to seasons and altitudes.
  • Easy installation with plug-and-play wired controller.
  • CSA certified for safe, reliable RV operation.
  • Needs propane and 12V power to work.
  • Must check connections and pressure before use.
  • Water flow must be over 0.5GPM for hot water.

Perfect For:

This product is perfect for RV owners who want fast, reliable hot water anywhere they travel. It’s ideal for campers who value comfort, safety, and easy setup on the road.

Ready to Purchase?

9. Gidrox RV Tankless Water Heater 48,000 BTU, 2.5 GPM On-Demand Instant Hot Water, 12V DC, High Altitude Ready Up to 9,800ft, CSA Certified Energy Saving Heater for RVs and Campers

Gidrox RV Tankless Water Heater 48,000 BTU, 2.5 GPM On-Demand Instant Hot Water, 12V DC, High Altitude Ready Up to 9,800ft, CSA Certified Energy Saving Heater for RVs and Campers

The Gidrox RV Tankless Water Heater delivers instant hot water in just 3 seconds. It’s perfect for RVs and campers, offering 48,000 BTU of power and 2.5 GPM flow.

Works great at high altitudes up to 9,800 feet. No cold bursts or temperature swings. Enjoy steady heat even in the mountains.

Easy to install with no custom modifications. Comes with a smart panel for real-time data. CSA certified and backed by a 3-year warranty.

Pros Cons
  • Instant hot water in just 3 seconds
  • Works at high altitudes up to 9,800ft
  • No more cold bursts during showers
  • Easy retrofit fits Suburban/Atwood tanks
  • Smart panel with full safety protection
  • Not ideal for big families – best for 2‑3 people
  • Lower flow rate – may struggle with heavy water use
  • DIY install required – not plug‑and‑play for everyone

Perfect For:

The Gidrox RV Tankless Water Heater is perfect for RV and camper owners who want endless hot water on their weekend trips. It’s ideal for small groups of 2-3 people and works great in travel trailers and Class B vans.

Ready to Purchase?

10. RVPart Pro RV Tankless Water Heater, Propane-Powered, with 15″×15″ White Door and Remote Control, 12V DC, Compatible with All RVs, GT60

RVPart Pro RV Tankless Water Heater, Propane-Powered, with 15

Get instant hot water every time you turn the tap. The RVPart Pro GT60 delivers powerful 60,000 BTU heating with no waiting, no wasted energy, and no bulky tanks.

It’s easy to install. It’s simple to use. It’s built for every RV.

Pros Cons
  • Instant hot water anytime, no waiting.
  • Energy-saving design with smart burners.
  • High performance even at high altitudes.
  • Easy installation with compact, lightweight build.
  • Built-in safety and user-friendly controls.
  • Limited to 12V DC—no 110 V for large families.
  • Requires propane, not handy when running low on supply.
  • Installation may be tricky for DIY newcomers.

Perfect For:

This RVPart Pro RV Tankless Water Heater is perfect for RV owners who want endless hot water on the go. It’s easy to install and saves energy, making it ideal for travel.

Ready to Purchase?

Buying Guide

RV tankless water heaters make life on the road better. They give instant hot water and save space. This guide helps you pick the best one for your RV.

Factors to Consider When Buying:
BTU Power: Higher BTU means faster heating. Choose 40,000–68,000 BTU for quick, steady hot water.
Size & Fit: Check your RV’s space. Most heaters are compact but measure first.
Fuel Type: Propane is common for RVs. Ensure it matches your setup.
Flow Rate (GPM): Higher GPM means more water at once. Pick 2.5–3.9 GPM for families.
Safety Features: Look for freeze protection, auto shut-off, and CSA certification.
Ease of Installation: Some models are plug-and-play. Others need pro help.
Remote Control: Handy for adjusting temperature without leaving your spot.
High Altitude Performance: Essential if you travel to mountains. Works up to 9,800 feet.
Warranty & Support: Longer warranties mean better peace of mind.

Top Picks for RV Tankless Water Heaters:
1. ORBEK RV Tankless Water Heater: Perfect for families. Remote control and 24-month support.
2. APUS RV Tankless Water Heater: Powerful 68,000 BTU. High altitude ready.
3. Xenjum RV Tankless Water Heater: Dual-outlet. Saves propane. Great for off-grid use.
4. VEVOR RV Tankless Water Heater: 42,000 BTU. LED display. Ideal for daily use.
5. Gen II Ranein RV Tankless Water Heater: 65,000 BTU. Multi-function remote. Family-friendly.

Pick the one that fits your needs and enjoy endless hot water on your adventures!