Best RV Tankless Water Heaters

Looking for the best RV tankless water heaters to upgrade your travel experience? We’ve tested and reviewed the top 10 models to help you find the perfect fit for instant hot water on the road.

RV tankless water heaters are a game-changer for travelers. They provide instant hot water, making life on the road more comfortable. Say goodbye to cold showers and hello to convenience!

These heaters are compact and easy to install, fitting most RV spaces. They offer energy-saving features, ensuring your propane lasts longer. Enjoy unlimited hot water wherever your adventures take you.

We’ve tested and reviewed the best RV tankless water heaters to help you choose. From high-altitude performance to safety features, we’ve got you covered. Get ready to upgrade your RV experience with our expert guide!

List of Top 10 RV Tankless Water Heaters

Image Title Best For Price
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 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 weather, making it ideal for travel.

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FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15 FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15″x15″/15″x18″/18″x18″) for Easy Retrofit, 12V DC, Remote Controller, Propane, Ideal for RV Families & Campers, Gen 3

This RV tankless water heater is perfect for families and campers who want endless hot water on their trips. It’s easy to install and works great even in high altitudes.

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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, 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 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 easy control.

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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 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 who want instant hot water on the go. It’s easy to install and saves energy, making it ideal for travel.

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FOGATTI InstaShower 7 RV Tankless Water Heater, 3 Optional Door Sizes 15 FOGATTI InstaShower 7 RV Tankless Water Heater, 3 Optional Door Sizes 15″x15″, 15″x18″ & 18″x18″ for Refitment, 12V DC, Optimized Summer Comfort Performance, Ideal for RVers’ Family Use, Gen 3

The FOGATTI InstaShower 7 RV Tankless Water Heater is perfect for RV families who want endless hot water on the go. It’s easy to install and saves energy, making it ideal for busy travelers.

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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 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 great in high altitudes and cold weather.

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FOGATTI InstaShower 9 Pro RV Tankless Water Heater, 66,000 BTU (Highest Output), Built-in Mixing Tank, 15x15 Inches White Door, Remote Controller, Ideal for RVers' Everyday Use, Gen 3 FOGATTI InstaShower 9 Pro RV Tankless Water Heater, 66,000 BTU (Highest Output), Built-in Mixing Tank, 15×15 Inches White Door, Remote Controller, Ideal for RVers’ Everyday Use, Gen 3

This product is perfect for RV owners who want reliable hot water on the go. It’s ideal for everyday use, whether you’re camping, traveling, or living full-time in your RV.

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

This RVPart Pro RV Tankless Water Heater is perfect for RV owners who want endless hot water and easy installation. It’s ideal for tight spaces and saves energy, making it a great choice for anyone on the road.

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GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534 GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534

This GIRARD Tankless RV Water Heater is perfect for RV owners who want reliable, efficient hot water. It’s ideal for those seeking quiet operation, easy installation, and smart temperature control on their travels.

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Novieex RV Water Heater, 60,000 BTU On-Demand Instant Tankless Hot Water Heater, 15 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 a reliable, energy-saving solution for their mobile adventures.

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Detailed Reviews

Discover the top 10 RV tankless water heaters handpicked for comfort, efficiency, and value. Each is expert-reviewed and backed by real user feedback, ensuring you find the perfect fit for your RV adventures. Dive in to find the best match for your needs and enjoy unlimited hot water wherever you roam.

1. 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 offers instant hot water for your RV adventures. With a powerful 68,000 BTU output, it delivers 3.9 GPM of hot water per minute, ensuring a comfortable shower or efficient cleaning. Say goodbye to waiting for hot water!

Its compact design fits most RV spaces, making installation a breeze. The high-altitude performance and built-in safety features provide reliable hot water in any environment, even at 9,800 feet. You’ll appreciate the energy-saving and precise temperature control, keeping your propane cylinders lasting longer.

CSA certified, easy to install, and safe to use. Perfect for RV families and camper enthusiasts. Enjoy hot water on demand, wherever your travels take you.

Pros Cons
  • Instant hot water on demand, no waiting.
  • Compact design, fits most RV spaces easily.
  • High-altitude ready, works up to 9,800 feet.
  • Energy-saving, longer propane life, lower costs.
  • Built-in safety, CSA certified, worry-free use.
  • Needs constant power and ventilation in cold weather.
  • No battery backup for remote control.
  • Requires propane, adding refill hassles.

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 weather, making it ideal for travel.

Ready to Purchase?

2. FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15″x15″/15″x18″/18″x18″) for Easy Retrofit, 12V DC, Remote Controller, Propane, Ideal for RV Families & Campers, Gen 3

FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15

The FOGATTI InstaShower 8 Plus is a powerful RV tankless water heater. It heats water up to 9,800 feet high. It’s perfect for RV families and campers.

This heater lasts over 40 minutes with 2.9 GPM of hot water. It uses propane for heating, so no power worries. It’s easy to retrofit with 3 door size options.

It’s CSA certified and has safety features like anti-freeze and automatic gas shut-off. It comes with a remote controller and built-in valve. Enjoy unlimited hot water for multiple showers.

Pros Cons
  • Enjoy unlimited hot water for 40+ minutes with 55,000 BTU power.
  • Easy retrofit for Suburban, Atwood, Girard, Furrion models.
  • Propane-powered, no cold surprises, shower anytime.
  • Built-in safety features: CSA certified, anti-freeze, auto gas shut-off.
  • Propane needed, no electric option.
  • Retrofit required for larger door sizes.
  • No built-in battery backup.

Perfect For:

This RV tankless water heater is perfect for families and campers who want endless hot water on their trips. It’s easy to install and works great even in high altitudes.

Ready to Purchase?

3. 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

The Xenjum RV Tankless Water Heater gives you instant hot water anytime. It’s perfect for RVs and off-grid living. Enjoy endless hot water without waiting.

It saves propane and energy with its on-demand system. The dual outlets supply hot water inside and outside your RV.

It’s easy to install and fits most RVs. Comes with child-safe lock and freeze protection. Includes all accessories and a 24-month warranty.

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 extra fuel management.
  • Installation might need professional help for some users.

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 easy control.

Ready to Purchase?

4. 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 a game-changer for RV families and campers. It provides 60,000 BTU of heat output per minute, ensuring instant hot water for showers, dishes, and handwashing. Its tankless design means no waiting for water to heat up and no anode rod replacements.

This water heater is high-performance and efficient. It features oxygen-free copper heat exchangers and brushless DC fans, making it suitable for high altitudes. Staged combustion technology ensures consistent temperatures while saving propane.

The ORBEK RV Tankless Water Heater is easy to install and operate. It comes with a built-in pressure-reducing valve and smart remote control for temperature adjustments. CSA certification and multiple safety features guarantee peace of mind during your travels.

Pros Cons
  • Instant hot water for showers, dishes, and more—no waiting!
  • Saves propane with smart, on-demand heating technology.
  • Easy DIY install, no professional needed—just stick and secure.
  • Safe and reliable, CSA certified with frost and flame protection.
  • Remote control adjusts temperature and troubleshoots effortlessly.
  • Requires specific installation dimensions, sold separately, for proper fitting.
  • No color options beyond black or white, limiting customization.
  • Remote control adds complexity, may be unnecessary for some users.

Perfect For:

The ORBEK RV Tankless Water Heater is perfect for RV families and campers who want instant hot water on the go. It’s easy to install and saves energy, making it ideal for travel.

Ready to Purchase?

5. FOGATTI InstaShower 7 RV Tankless Water Heater, 3 Optional Door Sizes 15″x15″, 15″x18″ & 18″x18″ for Refitment, 12V DC, Optimized Summer Comfort Performance, Ideal for RVers’ Family Use, Gen 3

FOGATTI InstaShower 7 RV Tankless Water Heater, 3 Optional Door Sizes 15

The FOGATTI InstaShower 7 RV Tankless Water Heater is a game-changer for RV families. It delivers 2.5 gallons of hot water per minute and 48,000 BTU heat output, perfect for showers, dishes, and more. Its tankless design saves energy by heating water only when needed, so no waiting or frequent maintenance.

It comes with three door sizes and two colors for easy refitment. The high-altitude mode works up to 9,800 feet, and the remote controller lets you adjust temperatures from 95°F to 123°F. Plus, it’s CSA-certified with safety features like auto shut-off and antifreeze protection.

Pros Cons
  • Instant hot water for showers, dishes, and more.
  • Energy-saving tankless design heats only when needed.
  • High-altitude mode works up to 9,800 feet.
  • Safety features include auto shut-off and antifreeze protection.
  • Door sizes sold separately, adding extra cost and hassle.
  • Requires 12V DC power, limiting use in off-grid setups.
  • No built-in temperature display, relies on remote control.

Perfect For:

The FOGATTI InstaShower 7 RV Tankless Water Heater is perfect for RV families who want endless hot water on the go. It’s easy to install and saves energy, making it ideal for busy travelers.

Ready to Purchase?

6. 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. With 68,000 BTU, it delivers 3.9 GPM of hot water fast.

Its compact design fits most RVs easily. It’s simple to install and works with 12V power and standard fittings.

High-altitude ready, freeze protection, and safety features keep you safe. Energy-saving and precise temperature control save fuel and money.

Pros Cons
  • Instant hot water on demand, no waiting, endless supply.
  • Compact design, fits most RVs, easy to install.
  • High-altitude ready, works up to 9,800 feet.
  • Built-in safety, freeze protection, CSA certified.
  • Energy-saving, precise temperature, longer propane life.
  • Needs constant power for freeze protection in cold weather.
  • Ventilation required to ensure safe operation at all times.
  • Propane dependency may increase fuel costs over time.

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 great in high altitudes and cold weather.

Ready to Purchase?

7. FOGATTI InstaShower 9 Pro RV Tankless Water Heater, 66,000 BTU (Highest Output), Built-in Mixing Tank, 15×15 Inches White Door, Remote Controller, Ideal for RVers’ Everyday Use, Gen 3

FOGATTI InstaShower 9 Pro RV Tankless Water Heater, 66,000 BTU (Highest Output), Built-in Mixing Tank, 15x15 Inches White Door, Remote Controller, Ideal for RVers' Everyday Use, Gen 3

The FOGATTI InstaShower 9 Pro is a powerful RV tankless water heater. It delivers 66,000 BTU and 3.6 GPM of hot water. Enjoy instant heat for showers and dishes.

It works well at high altitudes and in strong winds. The mixing tank ensures stable temperatures. Use it in summer or winter with ease.

It’s easy to install and saves money. Comes with a remote controller and safety features. Perfect for RVers’ everyday use.

Pros Cons
  • Instant hot water at 3.6 GPM with precise temperature control.
  • Versatile fit replaces Suburban, Atwood, Girard, and Furrion models.
  • Saves money with included pressure relief valve and remote controller.
  • Safe and reliable with CSA certification and anti-freeze protection.
  • High price may not fit all budgets.
  • Installation could be tricky for some users.
  • Size might not suit smaller RV spaces.

Perfect For:

This product is perfect for RV owners who want reliable hot water on the go. It’s ideal for everyday use, whether you’re camping, traveling, or living full-time in your RV.

Ready to Purchase?

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

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

The RVPart Pro RV Tankless Water Heater is propane-powered and compatible with all RVs. It fits a 15″×15″ black door and comes with a remote control. This unit is lightweight and easy to install.

It delivers 60,000 BTU of heat for instant hot water. The oxygen-free copper heat exchanger ensures high efficiency and works at high altitudes. You can adjust the water temperature between 95°F and 123°F easily.

Installation is simple and DIY-friendly. It includes safety features like freeze protection and auto shut-off. The 24-month service support gives you peace of mind.

Pros Cons
  • Instant hot water on demand, no waiting, saves energy.
  • Compact design fits tight RV spaces, easy to install.
  • User-friendly controls with remote and fault code display.
  • High-altitude ready, works up to 5000+ feet elevation.
  • Safety features included for peace of mind, CSA-certified.
  • Propane-powered, so you’ll need a steady supply of fuel.
  • Remote control requires batteries, adding a small extra cost.
  • 12V DC only, not compatible with other power systems.

Perfect For:

This RVPart Pro RV Tankless Water Heater is perfect for RV owners who want endless hot water and easy installation. It’s ideal for tight spaces and saves energy, making it a great choice for anyone on the road.

Ready to Purchase?

9. GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534

GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534

The GIRARD Tankless RV Water Heater delivers powerful performance with 42,000 BTUs, perfect for RV plumbing. It runs quietly on 12V power, using less than three amps for noiseless operation.

Enjoy consistent water temperature thanks to its onboard microprocessor. It monitors cold water, flow rate, and hot water to prevent cold spots and scalding. The burner adjusts automatically for steady heat.

Save LP gas with this highly efficient heater. It uses half the gas of a six-gallon tank heater. The digital control panel lets you adjust temperature, toggle units, and troubleshoot easily.

Pros Cons
  • Powerful 42,000 BTUs for optimal RV hot water.
  • Quiet operation with brushless motor for noiseless comfort.
  • Consistent temperature prevents cold spots and scalding.
  • Saves LP gas, cuts consumption in half.
  • Digital control panel for easy adjustments and troubleshooting.
  • Professional installation required, adding extra cost and time.
  • Higher upfront cost compared to traditional tank water heaters.
  • Limited DIY options, not ideal for self-installers.

Perfect For:

This GIRARD Tankless RV Water Heater is perfect for RV owners who want reliable, efficient hot water. It’s ideal for those seeking quiet operation, easy installation, and smart temperature control on their travels.

Ready to Purchase?

10. 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

Novieex RV Water Heater, 60,000 BTU On-Demand Instant Tankless Hot Water Heater, 15

The Novieex RV Water Heater delivers instant hot water on demand. Its 60,000 BTU system provides 3.6 GPM, so you never wait for warmth. Perfect for camper and RV life.

It saves energy with precise temperature control, keeping water between 95°F and 123°F. The anti-freezing feature protects pipes in cold weather. CSA Certified for safety and reliability.

Easy to install with a 15″×15″ door for standard RV openings. Works with 12V DC power and fits most RV setups. Multiple safety features ensure worry-free use.

Pros Cons
  • Instant hot water on demand, no waiting.
  • Energy-saving with precise temperature control.
  • Anti-freeze protection prevents pipe damage.
  • Easy installation fits most RVs and campers.
  • CSA certified for safety and reliability.
  • High power consumption may drain RV batteries quickly.
  • Requires professional installation for safe and proper setup.
  • Limited temperature range may not suit all preferences.

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 a reliable, energy-saving solution for their mobile adventures.

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.

Factors to Consider When Buying:
BTU Output: Higher BTU means more heat. Choose 42,000 to 68,000 BTU for fast, hot water.
Flow Rate (GPM): GPM shows how much water flows per minute. 2.5 to 3.9 GPM is good for showers.
Size & Fit: Check door size (like 15″x15″) and space in your RV. Compact designs fit most RVs.
High-Altitude Performance: If you travel high, pick a heater that works above 9,000 feet.
Safety Features: Look for auto shut-off, anti-freeze, and CSA certification for peace of mind.
Energy Efficiency: Tankless heaters save propane. Pick one with precise temperature control.
Ease of Installation: Choose a heater with simple setup and DIY-friendly features.
Remote Control: A remote lets you adjust temperature without leaving your spot.
Warranty & Support: A good warranty (like 24 months) ensures long-term reliability.

Enjoy unlimited hot water and upgrade your RV adventures with the right tankless heater!