5 Best RV Electric Tankless Water Heaters For Van Life In 2024

Embarking on a van life adventure is a dream for many, but the comforts of home, like a warm shower, are essential even on the road. Van life with a campervan or RV brings its own set of challenges, and having a reliable water heater is paramount. Electric tankless water heaters have emerged as a popular choice for many van lifers, offering efficiency, compactness, and the luxury of on-demand hot water. Furthermore, these haters enhance the overall experience of living on wheels. In this article, we have researched and reviewed five of the Best RV or Campervan Electric Tankless Water Heaters for Van Life in 2024 that guarantee a proper hot water solution for you mobile home.

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Our Top Picks for the 5 Best Electric Tankless Water Heaters for Van Life With RV Or Campervan

1. Best Overall: Stiebel Eltron 220817

2. Best Budget Option: Ecosmart POU 6

3. Best for Small Spaces: Bosch Electric Mini-Tank Water Heater Tronic 3000 T

4. Best for High Water Flow: Rheem 18kW 240V Tankless Electric Water Heater

5. Best for Cold Climates: ECOTOUCH 9KW 240V

What Is the Best Electric Tankless Water Heater for RV or Campervan in 2024?

Embracing the van life means merging adventure with comfort. As the open road beckons, ensuring you have the amenities of home, like a consistent hot water supply, becomes paramount. Electric tankless water heaters have emerged as the go-to solution for many campervan and RV enthusiasts, offering both efficiency and the luxury of on-demand warmth, wherever the journey leads. Here is the list of best electric tankless heaters for van life.

1. Best Overall: Stiebel Eltron 220817

Quick Specifications

  • Brand: Stiebel Eltron
  • Dimensions: 9 x 10 x 6 inches
  • Wattage: 5.7 KW
  • Voltage: 240 Volts
  • Style: Mini 6-2 (6 kW, 240-volt)
  • Weight: 3.5 pounds

When you’re living life on the road, every inch of space counts. That’s why we were thrilled to discover the Stiebel Eltron 220817. This little gem doesn’t just save space with its compact design; it’s also a powerhouse when it comes to energy efficiency. Imagine having an unlimited supply of hot water whenever you need it, without the wait. That’s the luxury this heater brings to the table. And let’s not forget its sleek design – it’s so stylish that we’ve got ours mounted right where everyone can see it.

But it’s not just about looks. This heater is designed with the user in mind. Specifically crafted for a single hand-washing sink, it delivers warm water right when you need it. And talk about installation flexibility! Whether you want the water connections pointing up or down, this heater’s got you covered. Plus, the pre-wired pigtail means you won’t be fumbling around during the installation.


  1. Space-saving compact design.
  2. Energy-efficient, so you’re kind to both your wallet and the environment.
  3. Always ready with an unlimited supply of hot water.
  4. Stylish enough to be a conversation starter.


  1. It’s tailored for a single handwashing sink, so it might not be the right fit if you’re looking to serve multiple outlets.
  2. You’ll need to roll up your sleeves for a hard-wired installation, but trust us, it’s worth it.

The Stiebel Eltron 220817 isn’t just a water heater; it’s a game-changer for those of us living the van life. It’s the little touches, like a warm hand wash on a cold morning, that transform a vehicle into a home. And with this heater, you’re not just investing in warm water; you’re investing in the comfort and luxury of home, no matter where the road takes you.

2. Best Budget Option: Ecosmart POU 6

Quick Specifications

  • Brand: Ecosmart
  • Wattage: 6000 watts
  • Voltage: 220 Volts
  • Heat Output: 6 Kilowatts
  • Dimensions: 11″W x 7″H
  • Weight: 1 pound

When it comes to merging the thrill of the open road with the comforts of home, we’ve found that the Ecosmart POU 6 is a game-changer. This 6-kilowatt tankless electric water heater is not just about efficiency; it’s about ensuring that the little luxuries, like a warm hand wash, are always within reach. Designed primarily for point-of-use hand washing applications, it’s become our go-to in places like campervan or RV bathrooms. Furthermore, its compact design makes it a perfect fit for van space management.

Moreover, the Ecosmart POU 6 stands out with its maximum flow rate of 1.0 gallon per minute and the inclusion of a 0.5 gpm sink aerator. While it’s recommended for single sink use, its performance has been consistently reliable, ensuring that warm water is available endlessly and on-demand. This not only elevates our van life experience but also aligns with our commitment to reduce water and energy waste.


  1. Compact design perfect for tight spaces.
  2. Consistent and endless supply of warm water.
  3. Energy-efficient, reducing both water and energy waste.
  4. Ideal for a variety of applications, from RVs to offices.


  1. Designed specifically for single sink use, limiting its versatility.
  2. Not suitable for use with showers or multiple fixtures.

In our opinion the Ecosmart POU 6 isn’t just a budget-friendly water heater on our list. For those living the van life, the comforts of the journey is very important. And with the Ecosmart POU 6, we’ve found a piece of home that we can take with us, wherever the road leads.

3. Best for Small Spaces: Bosch Electric Mini-Tank Water Heater Tronic 3000 T

Quick Specifications

  • Brand: Bosch Thermotechnology
  • Wattage: 1440 watts
  • Voltage: 120 Volts
  • Dimensions: 13.75″W x 13.75″H
  • Weight: 15.5 pounds
  • Size: 2.5 Gallon

Space is a luxury when you’re living the van life, and every inch counts. That’s where the Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) comes into play. Designed with small spaces in mind, this heater is a game-changer for us. It’s not just about its compact size; it’s about the convenience it offers. Imagine having hot water right under your sink, eliminating those long waits. The thermal efficiency of 98% means we’re getting the most out of our energy, and the premium glass-lined material ensures we’re investing in a product built to last.

Moreover, the independent installation feature is a boon. With a 36-37″ cord that plugs into a standard 120-volt outlet, it’s a breeze to set up. And the fast recovery rate? It’s a lifesaver, especially when we’re on the move and need on-demand hot water for multiple tasks. Whether it’s for a quick hand wash or doing the dishes, this heater ensures we have hot water when and where we need it. And the flexibility in mounting options – be it shelf, wall, or floor – means we can optimize our space just the way we want.


  1. Compact design perfect for tight spaces in vans and RVs.
  2. High thermal efficiency ensures energy optimization.
  3. Versatile mounting options for convenience.
  4. Fast recovery rate, providing on-demand hot water.


  1. Designed primarily for point-of-use, limiting its application for larger tasks.
  2. Requires a 120-volt outlet for operation.

The Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) is more than just a water heater; it’s a testament to efficient design meeting practical needs. For those of us embracing the van life, it’s these small comforts that elevate our experience.

4. Best for High Water Flow: Rheem 18kW 240V Tankless Electric Water Heater

Quick Specifications

  • Brand: Rheem
  • Special Feature: LED Display
  • Wattage: 18000 watts
  • Voltage: 240 Volts
  • Heat Output: 18 Kilowatts
  • Dimensions: 14.5″W x 18.25″H
  • Weight: 14.78 pounds
  • Shape: Rectangle
  • Water Consumption: 7 Gallons

For those of us van lifers, the need for a consistent and high flow of hot water is undeniable for campervan or RV travels. Enter the Rheem 18kW 240V Electric Tankless Water Heater. This powerhouse not only ensures we get our hot water fast but also does so with an efficiency that’s hard to match. Its LED display offers a clear view of the temperature, ensuring we always have control over our hot water needs. Moreover, the energy modulation feature ensures that the heater uses only the power required, making it an energy-smart choice.

The Rheem 18kW model stands out with its ability to provide up to 5.9 gallons of hot water per minute, enough to handle multiple showers and sinks simultaneously ensuring the water to heat up fast especially when we’re in a hurry. The digital temperature control allows for easy adjustments, and the fact that it doesn’t require venting means installation is a breeze. Furthermore, its design is compact which ensures that it doesn’t take up much space, a crucial factor for those of us living in confined spaces.


  1. High water flow rate, ensuring hot water is always available.
  2. Energy-efficient, modulating power based on demand.
  3. Compact design, perfect for tight spaces in campervans and RVs.
  4. LED display for precise temperature control.


  1. Requires a 240-volt outlet for operation.
  2. Might be overkill for those who don’t require high water flow rates.

The Rheem 18kW 240V Electric Tankless Water Heater isn’t just about high water flow; it’s about redefining the van life experience. With this heater, we’re not just ensuring a consistent supply of hot water; we’re also making a sustainable choice that’s kind to both our wallets and the environment. It’s these small comforts and efficiencies that make our journeys on the road feel just like home.

5. Best for Cold Climates: ECOTOUCH 9KW 240V

Quick Specifications

  • Brand: ECOTOUCH
  • Wattage: 9 KW
  • Voltage: 240 Volts
  • Maximum Flow Rate: 1.5 Gallons Per Minute
  • Heat Output: 9 Kilowatts
  • Dimensions: 10.24″W x 15.74″H
  • Weight: 10.78 pounds
  • Maximum Power: 9 Kilowatts

The difficulty of getting consistently hot water increases for those of us who have driven our campers or RVs into the cooler climates. That’s where the ECOTOUCH 9KW 240V on Demand Water Heater shines. Designed specifically for colder climates, this heater ensures that we’re never left waiting for that comforting warmth. Its 9kW heating system provides instant and consistent hot water, making those chilly mornings a bit more bearable. Furthermore, its smart self-modulation adjusts the power input based on the flow rate and temperature setting, ensuring optimal energy efficiency.

The ECO90 Black model stands out not just for its performance but also for its safety and durability. With its upgraded heating system and micro-computer control, we’ve never experienced the dreaded “cold water sandwiching”. Plus, its unique heating element ensures there’s no corrosion inside the pipes, extending its lifespan. The digital display and touch control panel make temperature adjustments a breeze, and its sleek, modern design ensures it fits seamlessly into any interior.


  1. Designed specifically for colder climates, ensuring consistent hot water.
  2. Smart self-modulation for optimal energy efficiency.
  3. Upgraded heating system prevents “cold water sandwiching”.
  4. It has a sleek and modern design along with an easy-to-use digital display for more convenience.


  1. Requires a 240-volt outlet for operation.
  2. For individuals living in drier climes, it could be excessive.

The ECOTOUCH 9KW 240V on Demand Water Heater isn’t just about providing hot water; it’s about enhancing the van life experience, especially in colder regions. With this heater, we’re not just ensuring a warm start to our mornings; we’re also making a sustainable and energy-efficient choice. For those who refuse to let the cold dictate their adventures, this heater is the perfect companion.

What is an Electric Tankless Water Heater?

An electric tankless water heater is a modern marvel designed to deliver hot water without the need for a bulky storage tank. Instead of maintaining a reservoir of pre-heated water like traditional heaters, these devices heat water on-the-fly. When you turn on your shower or faucet, cold water enters the unit, gets instantly heated by electrical elements, and out flows the hot water, right on cue.

Why They’re a Game-Changer for Van Life

Space is at a premium in campervans and RVs. The last thing you want is a massive tank taking up room. Electric tankless water heaters are compact, making them a perfect fit for the mobile lifestyle. They ensure that, even on the road, you don’t have to compromise on the luxury of instant hot water.

Energy Efficiency and Savings

Beyond just the convenience, there’s an environmental and economic angle to these heaters. They’re energy efficient, heating water only when you need it. This on-demand approach means no energy is wasted keeping a tank of water hot. For you, this translates to savings on energy bills and for our planet, a reduced carbon footprint.

The Heart of Nomadic Comfort

In the grand tapestry of van life, it’s the small things that enhance the experience. Electric tankless water heaters might be silent operators, but their impact is profound. They offer a slice of home-comfort, even in the most remote locations.

As you bask in the warmth of a shower in your campervan, miles away from the nearest town, take a moment to appreciate the electric tankless water heater. It ensures that no matter where the journey takes you, comfort is always within reach.

Why Choose Electric Tankless Water Heaters for RV Or Campervan?

The allure of van life often lies in the spontaneous adventures it offers. After a day of hiking or exploring, the comfort of a warm shower is unparalleled. Electric tankless water heaters ensure there’s no waiting around and provide immediate hot water access. The moment you turn on the tap, hot water is at your service, offering instant gratification that becomes invaluable in the mobile confines of campervans and RVs.

Optimizing Limited Space in Campervans and RVs

Space is a treasured commodity in a campervan or RV. Traditional water heaters, with their cumbersome tanks, can often pose logistical challenges. In contrast, electric tankless models are the epitome of sleek and compact design. They seamlessly fit into tight spaces, freeing up room for other essentials and enhancing the overall living experience.

Embracing Energy Efficiency and Cost Savings

When it comes to energy consumption, electric tankless water heaters are a game-changer. Unlike traditional models that continuously heat water, these heaters operate on an on-demand basis. This approach is not only economical, reducing unnecessary energy expenditure, but also environmentally friendly. It’s a sustainable choice that benefits both your wallet and the planet.

Electric Tankless vs. Other Water Heaters

While there’s a variety of water heaters available, each comes with its own set of pros and cons. Gas-powered heaters, for instance, require the added logistics of gas storage and have potential safety concerns. Solar heaters, though eco-friendly, are at the mercy of weather conditions. In the context of campervan and RV living, electric tankless heaters, with their blend of simplicity and reliability, often emerge as the preferred choice.

The essence of life on the road revolves around freedom, exploration, and adaptability. It’s also about integrating smart, efficient solutions that elevate the experience. Electric tankless water heaters fit this narrative perfectly. They’re not just functional appliances; they’re catalysts that enrich the nomadic lifestyle. As you journey through diverse landscapes, these heaters ensure that the comfort of a warm shower is always within reach.

How to Buy the Best Electric Tankless Water Heater for RV Or Campervan?

Embarking on the van life journey is an exhilarating experience, blending adventure with the comforts of home. One such comfort, often overlooked until missed, is the luxury of instant hot water. This guide aims to navigate you through the nuances of selecting the perfect electric tankless water heater, ensuring your mobile abode feels just as cozy as a stationary one.

Assessing Your Power Needs

Before diving into specific models, it’s paramount to understand the power source your campervan or RV utilizes. Whether you’re relying on solar panels, battery power, or occasional shore power, your heater should be compatible with your van’s electrical setup. It’s not just about ensuring the heater works; it’s about optimizing its performance based on your power source. For instance, if you’re primarily using solar panels, you’d want a heater that operates efficiently under variable power conditions.

Space Considerations: Compactness is Key

In the confined quarters of a campervan or RV, every inch is valuable. Bulky appliances can quickly eat up your space, making the living conditions cramped. When browsing water heaters, prioritize models that offer a balance between compactness and performance. Some modern heaters are designed explicitly for mobile living, boasting both a small footprint and efficient heating mechanisms.

Prioritizing Energy Efficiency

Van life often teaches the importance of resource conservation. An efficient water heater is a boon for van lifers. Not only does it conserve energy, but it also ensures quicker access to hot water. Always check the energy rating, but don’t stop there. Sift through user reviews to gauge real-world efficiency and understand any potential quirks or issues users have encountered.

Installation Insights: Going Solo or Seeking Expertise?

While the open road instills a sense of independence, it’s essential to know when to seek help. The installation process for water heaters varies across models. Some are plug-and-play, while others might require intricate wiring or plumbing adjustments. Determine whether you’re up for a DIY challenge or if you’ll need to budget for professional installation. Remember, a correctly installed heater operates more efficiently and poses fewer risks.

Budgetary Boundaries: Balancing Cost and Quality

Van life is often about smart budgeting. While cost-effectiveness is essential, it’s crucial not to compromise on essential features. Aim for a balance, ensuring you get value for your money without sacrificing performance or durability. Sometimes, investing a bit more upfront can save considerable hassle and expense down the road.

Personal Preferences: Finding Your Perfect Match

Every van lifer has unique preferences. Beyond the technicalities, consider what you personally seek in a water heater. Do you prioritize near-silent operation? Or perhaps you value rapid heating above all else? Whether it’s the speed of heating, noise levels, or specific features like digital displays, your unique needs should guide your choice.

Investing in an electric tankless water heater is more than just a purchase; it’s a commitment to enhancing your van life experience. Offering the comfort of a warm shower wherever the road takes you is a game-changer. By considering the factors outlined above and aligning them with your personal preferences, you’re well on your way to making a decision that caters to both your needs and desires. Safe travels and warm showers to you!

How to Install Electric Tankless Water Heaters in Your RV Or Campervan?

The excitement of van life! The open roads, the changing landscapes, and the freedom to roam. After a long day of van travel, there’s nothing quite like a warm shower. And for that, you need a reliable water heater. If you’ve chosen an electric tankless model for your campervan or RV, you’re in for a treat. Let’s dive in for the small matter of installation!

Step-By-Step Installation Tips

  1. Choose the Right Spot: Before anything else, decide where you want your water heater. Ideally, it should be close to your water source and power supply, yet safely away from areas where it might get bumped or damaged.
  2. Read the Manufacturer’s Instructions: This might sound obvious, but it’s surprising how many skip this step. Each model has its quirks, so familiarize yourself with the specifics.
  3. Prepare Your Tools: Typically, you’ll need a drill, wrenches, screwdrivers, and possibly some plumbing connectors. Having everything at hand will make the process smoother.
  4. Ensure Power Safety: Before you start, make sure to turn off any power sources connected to where you’ll be working. Safety first!
  5. Connect to the Water Supply: Attach the water heater to your campervan or RV’s water supply. Ensure all connections are tight to prevent leaks.
  6. Connect to the Power Supply: This could mean plugging it into an outlet or hard-wiring it depending on the specific models.
  7. Test It Out: Before you seal everything up, turn on the water heater and check for any leaks or issues. It’s easier to fix problems now than after everything’s been put away.
  8. Secure the Heater: Once you’re sure everything’s working, secure the water heater in its place. This might involve screwing it to a wall or securing it in a cupboard.

Professional Installations

While many van lifers are DIY enthusiasts, there’s no shame in seeking professional help, especially when dealing with electrical installations. If you’re in doubtful situations, it’s better to be safe and get an expert to handle the installation process for these devices.

Installing an electric tankless water heater in your campervan or RV is more than just a technical task; it’s a step towards ensuring comfort on your adventures. Even Though the process might seem a bit complex, with a bit of preparation and patience, it’s entirely doable. And remember, every time you enjoy a warm shower amidst nature, you’ll know it was all worth it. Safe travels and happy showering!

Maintenance Tips for Electric Tankless Water Heaters for RV Or Campervan

The open road, the freedom to explore, and the cozy confines of your campervan or RV – that’s the dream, right? But just like any home, your mobile abode requires a bit of TLC. One often overlooked aspect? The maintenance of your electric tankless water heater. Ensuring it runs efficiently not only guarantees those warm showers after a day of adventure but also prolongs the life of your device. Let’s delve into some handy maintenance tips.

Regular Check-ups

Just like you’d regularly service your vehicle, your water heater needs periodic check-ups. It’s not just about fixing issues but preventing them. A quick inspection every few months can save you from bigger headaches down the road.

Clean the Inlet Screen Filter

Dirt and debris can accumulate in the inlet screen filter over time. Cleaning this filter ensures that the water flows smoothly and the heater functions efficiently. Simply turn off the power, remove the filter, give it a good rinse, and you’re good to go!

Flush and Descale

Depending on your water source, mineral build-up can occur inside the heater. This not only affects efficiency but can also damage the unit. Flushing and descaling the system once a year can prevent this. Remember to always refer to the manufacturer’s guidelines on the best descaling solution to use.

Check for Leaks

While electric tankless water heaters are built to last, wear and tear can lead to occasional leaks. Regularly inspect the unit for any signs of moisture or dripping. Early detection can prevent more significant issues later on.

Stay Updated with Manufacturer’s Guidelines

Manufacturers often provide specific maintenance tips tailored to their products. Keeping the manual handy and referring to it can provide insights into the best care practices for your specific model.

Professional Maintenance

While many maintenance tasks can be DIY, occasionally, it’s worth getting a professional to give your heater a thorough check. They can spot potential issues and ensure your unit is running at its best.

Life on the road is filled with unexpected twists and turns. But with a bit of proactive care, at least one thing remains constant: the reliable performance of your electric tankless water heater. By following these maintenance tips, you’re not just ensuring warm showers but also peace of mind. After all, the journey is all about enjoying the little comforts amidst the vast expanse of the unknown.

Final Words

As we’ve journeyed through the world of electric tankless water heaters, one thing stands out: the undeniable value of having a dependable source of warmth in your mobile haven. Whether you’re nestled in a scenic mountain range or parked by a tranquil lakeside, the comfort of a warm shower or a hot sink wash can’t be overstated. And in the realm of campervans and RVs, electric tankless models have proven to be the unsung heroes, offering efficiency, space-saving designs, and the luxury of on-demand hot water.

Remember our top picks? From the best overall to the ideal choice for cold climates, each model was handpicked not just for its standout features but for its ability to cater to the unique demands of van life. But as we’ve emphasized, the best choice isn’t universal. It’s deeply personal. It’s about understanding your travel patterns, your power sources, and those little preferences that make your campervan truly feel like home.


What are the benefits of using electric tankless water heaters in RV?

Electric tankless water heaters offer on-demand hot water, are energy-efficient, and save space in RV or Campervans.

Are electric tankless water heaters suitable for cold climates?

Yes, specific models like the ECOTOUCH are designed to perform efficiently even in colder climates.

How do electric tankless water heaters compare to traditional tank heaters?

Electric tankless heaters provide instant hot water, are more energy-efficient, and occupy less space than traditional tank heaters.

Is professional installation required for electric tankless water heaters?

While some models are DIY-friendly, it’s often recommended to seek professional installation for optimal performance and safety.

Do electric tankless water heaters work with solar-powered campervans?

Yes, but it’s essential to ensure the solar setup can handle the heater’s power requirements.

How often should I maintain or service my electric tankless water heater?

Regular check-ups every few months are ideal, with a thorough maintenance session annually.

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