Top 8 Electric Tankless Water Heaters for RVs: Uncover the Best!

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Hey there! Looking for the best electric tankless water heaters for RVs? Well, you've come to the right place! In this handy roundup post, I'll be sharing the top 8 options that will surely meet your needs. Whether you're a seasoned traveler or just starting your RV adventures, finding the perfect water heater can make all the difference. So, let's dive in and uncover the best electric tankless water heaters that are perfect for your RV!

1
EcoSmart ECO 18 Tankless Water Heater
✯ Great choice! ✯
BUY NOW Amazon.com
8.7
2
EcoSmart ECO 11 Tankless Water Heater
8.4
3
KINGRVER Tankless Water Heater - Instant Hot Water
8.4
7
Brand Model: 5500W Tankless Water Heater
6.4
8
Camplux Electric Tankless Water Heater TE04
6.4
1

EcoSmart ECO 18 Tankless Water Heater

$422.65  in stock
Amazon.com
as of April 11, 2024 7:37 am
8.7
Great choice!
The EcoSmart ECO 18 Electric Tankless Water Heater offers a highly durable and easy-to-use solution for hot water needs. With a reasonable price and space-saving design, it provides an endless supply of hot water, although it may require additional installation costs and may take a few extra seconds to get hot water. Overall, it is a reliable and efficient option for those looking to upgrade their water heating system.
Efficient and Space-saving
  • Reasonable price ($300)
  • Endless supply of hot water
  • Space-saving design
Cons
  • The heater may require additional installation costs, such as upgrading the electric panel and running a long cable
  • It may take a few extra seconds to get hot water compared to a traditional tank water heater

The EcoSmart ECO 18 Electric Tankless Water Heater is a highly durable and easy-to-use product that is perfect for climates where the incoming water temperature is 62 degrees Fahrenheit and above. With a flow rate of over 2.5 gallons per minute, it can easily handle the simultaneous use of a shower head and a sink. This tankless water heater also features a digital temperature control for precise temperature settings. While installation may require some electrical upgrades, many users find it worth the investment for the endless supply of hot water.

Efficient and Reliable Heating Solution
  • Highly durable
  • Easy to use
  • Manufactured in China
  • Amperage: 75
  • Activation flow: 0.3 GPM
  • Flow Rate @ 35 F Rise: 3.51 gal (US)/min
$422.65
in stock
as of April 11, 2024 7:37 am
Amazon.com
2

EcoSmart ECO 11 Tankless Water Heater

$299.00
$194.29
 in stock
Amazon.com
as of April 11, 2024 7:37 am
8.7
Great Choice!
The EcoSmart ECO 11 Electric Tankless Water Heater offers endless on-demand hot water with consistent temperature control and energy-saving features. It is easy to install, has reliable temperature control, and provides excellent customer service. However, some customers have experienced persistent leaks and may find the installation process challenging. Overall, a great choice for single-person dwellings.
Efficient and Reliable
  • Easy to install
  • Improved fit and finish compared to other brands
  • Reliable temperature control
  • Simple and user-friendly temp setting
  • Suitable for single-person dwellings
  • Responsive and helpful customer service
Potential Limitations
  • Persistent leaks from the left side connector
  • Some customers may find the installation process challenging

The EcoSmart ECO 11 Electric Tankless Water Heater is a reliable and efficient solution for on-demand hot water. With a temperature range of 80-140°F, it can provide hot water for one shower in colder climates or two showers in warmer climates. The patented self-modulating technology ensures consistent performance within 1 degree of the selected temperature. The installation is easy, and the fit and finish of the unit are excellent. It comes with new water pipe fittings and a template for easy positioning. Setting the temperature is a breeze, making it perfect for a single person dwelling. Overall, it's a little bad boy that gets a ten out of ten.

However, there have been some reports of leaks from the left side connector. Despite following the instructions, it took several days of trial and error to seal it properly. It seems to be a manufacturer defect with that specific connector, but apart from that, the water heater is solidly built and not made with cheap parts. The manufacturer provided excellent customer service by sending an extra knob, even though it turned out to be the customer's oversight. They made it right, which is much appreciated.

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Convenient and Energy-Efficient
  • Endless on-demand hot water
  • Consistent hot water that never runs out
  • Continuously monitored water temperature
  • Controlled flow rates for efficiency
  • Performance within 1 degree of selected temperature
  • Energy-saving special features
$194.29
$299.00
in stock
as of April 11, 2024 7:37 am
Amazon.com
3

KINGRVER Tankless Water Heater – Instant Hot Water

$529.99
$449.99
Amazon.com
as of April 11, 2024 7:37 am
8.4
Overall, recommended!
The KINGRVER RV Tankless Water Heater is an ideal choice for RVers looking for a continuous hot water supply. It is cost-effective, easy to install, and provides unlimited hot water. However, some users have reported issues with water temperature fluctuations during showers and vague installation instructions.
Endless Hot Water
  • Easy to install
  • Cost-effective compared to other options
  • Unlimited hot water supply
Cons
  • Showering water fluctuates between hot and cold
  • Install instructions are vague

The KINGRVER RV Tankless Water Heater is a more advanced option compared to traditional tank water heaters. With this tankless water heater, you can enjoy hot water at all times without wasting precious shower time waiting for it to heat up. It is easy to install and comes with all the necessary hardware. The stylish design, along with the tray for catching water purge during freeze protection, makes it a great choice for RVers. It provides unlimited hot water and doesn't use propane when not in use, although it does require a fair amount of flow to keep the water hot. Overall, it's a cost-effective and efficient solution for all your hot water needs on the go.

Hot water on demand!
  • Tankless design for continuous hot water supply
  • 2.2 GPM flow rate
  • 42,000 BTU heating power
  • Black door for stylish appearance
  • Includes a remote controller for easy operation
  • Ideal for all RVers
4

Fogatti RV Tankless Water Heater

 in stock
Amazon.com
8.2
Overall
The FOGATTI RV Tankless Water Heater is a compact and convenient option for RVers looking for a reliable hot water solution. With its easy installation process and ability to provide hot water for multiple showers back-to-back, it is perfect for families on the go. However, some users have experienced inconsistent temperatures and constant errors with the wind pressure switch.
Efficient and Convenient
  • Easy installation process
  • Provides hot water for multiple showers back-to-back
  • Compact size, saves storage space
  • Option for a mixing tank to help with temperature fluctuations
  • Good water pressure and flow rate for showers
Weaknesses
  • Inconsistent temperatures when running
  • Constant errors and wind pressure switch fail

The FOGATTI RV Tankless Water Heater, 2.2 GPM, Gen 2, 12V with Black Door and Remote Controller is an ideal choice for RVers and families looking for a reliable and efficient water heating solution. With its unprecedented high altitude suitability mode, this water heater can perform smoothly even at high elevations, making it perfect for trips to the Denver plateau. The staged combustion technology ensures that the water temperature remains optimal, preventing it from getting too hot in the summer. The unit is easy to install and comes with a remote controller for added convenience. Its optimized summer comfort performance guarantees a comfortable shower experience for the whole family.

Efficient and Reliable Water Heating
  • High altitude suitability mode
  • Staged combustion technology
  • Black door and remote controller
  • InstaShower 6
  • Optimized summer comfort performance
  • Ideal for RVers' family use
5

Remote Control Electric Water Heater – 6.5KW, 240V

$100.90
Amazon.com
as of April 11, 2024 7:37 am
7.1
Mixed Performance
The 240V 6.5KW Tankless Instant Electric Water Heater is a compact and versatile product that can be installed in various locations. It comes with a remote control for convenient operation, but some customers have reported issues with power supply and durability.
Convenient and Efficient
  • Works at a distance with the remote control
  • Easy installation
  • Compatible with US power
Inefficient

The 240V 6.5KW Tankless Instant Electric Water Heater is a compact and mini-sized unit that can be installed anywhere close to an outlet, avoiding any energy waste. It offers the flexibility of being mounted 360 degrees, horizontally, vertically, obliquely, or reversely. This water heater is ideal for various settings such as kitchens, bars, schools, hospitals, communities, and hair salons, providing hot water on demand.

Convenient
  • Compact and mini size
  • Can be installed anywhere close to outlet
  • Mountable in multiple directions
  • Ideal for various locations such as kitchen, bar, school, hospital, etc
6

Electric Tankless Water Heater – 5500W, Remote Control, Digital Display

$85.99  in stock
Amazon.com
as of April 11, 2024 7:37 am
7.1
Impressive and Convenient
The Tankless Water Heater Electric 5500W 110V is a convenient and efficient solution for instant hot water. Its tankless design, constant temperature control, and remote control operation make it a great choice for home, kitchen, and indoor use. The only downside is that it doesn't come with a plug and cannot be used with a socket.
Efficient and Convenient
  • Tankless design
  • Constant temperature control
  • Remote control operation
Drawbacks of Electric Tankless Water Heater
  • No plug included
  • Cannot use a socket

This Tankless Water Heater Electric 5500W 110V is a convenient and efficient solution for providing instant hot water in your home, kitchen, or indoor space. With its constant temperature feature and remote control digital display, you can easily adjust the water temperature to your desired level (Water Temperature Range: 30-55℃). It comes in a sleek white design and is easy to install, taking only 20 minutes. Please note that it requires a 6mm² copper wire (#9 awg wire) and a trip switch of ≥63A to function properly. The product is also suitable for use in RVs, making it a versatile option for different settings.

Efficient and Convenient Features
  • Tankless design
  • Electric power source (5500W, 110V)
  • Constant temperature control
  • Remote control operation
  • Digital display
  • Suitable for home, kitchen, and indoor use
7

Brand Model: 5500W Tankless Water Heater

$89.99
Amazon.com
as of April 11, 2024 7:37 am
6.4
Great Option!
The Tankless Water Heater is a compact and efficient option for quickly heating water at the point of use. Its LED display and self-modulating technology make it easy to control and adjust. While it may not be suitable for use with an automatic dishwasher, it offers a remote control feature for added convenience. However, keep in mind that it may not heat water fast enough with the faucet wide open.
Efficient and Reliable
  • Compact size
  • Quick water heating
  • Remote control feature (optional)
Cons
  • Cannot heat water fast enough with faucet wide open
  • Not recommended for use on water lines connected to automatic dishwasher

This tankless water heater is a convenient and efficient solution for providing instant hot water. With a LED display and self-modulating technology, it heats water quickly and accurately to your desired temperature range of 30-55℃. The compact size makes it perfect for small spaces, and the remote feature adds convenience. It's easy to install and works well, providing burning hot water when set to over 40℃. Overall, it's a great option for those who want a hot water shower without the need for a large water heater.

Endless Hot Water Supply
  • Tankless design
  • LED display
  • Self-modulating technology
  • Point of use installation
  • 5500W power output
  • Can be used with a 110V socket
8

Camplux Electric Tankless Water Heater TE04

$119.99
Amazon.com
as of April 11, 2024 7:37 am
6.4
In conclusion
The CAMPLUX Tankless Water Heater Electric with LED Display 120V is a compact and easy-to-install option for under sink water heating. With its smart touch control and LED display, it offers convenience and temperature options in Celsius or Fahrenheit. However, it may have limited temperature increase at higher flow rates and is not suitable for usage below 0.4 GPM.
Efficient and Convenient
Weaknesses
  • Limited temperature increase at higher flow rates
  • Does not work well with flow rates below 0.4 GPM

The CAMPLUX Tankless Water Heater Electric with LED Display 120V Instant Water Heaters Under Sink 3.5kw TE04 is a smart and compact water heater perfect for under sink installation. With its smart touch control and LED display, it's easy to use and monitor. It requires a minimum water flow of just 0.4 GPM, making it ideal for one sink. Installation is a breeze, as mentioned by one reviewer who found it easy to install and had no issues with its performance. Another reviewer mentioned that the digital display can be flipped 180 degrees for easy reading in any mounting configuration. Although some reviewers mentioned that it may not heat water as hot as expected at higher flow rates, it still provides a significant temperature increase, especially at lower flow rates. Overall, it's a well-built and compactly designed water heater that delivers hot water efficiently.

Efficient and Compact Design
  • Smart touch control and LED display
  • Compact size
  • Under sink installation
  • Minimum water flow for activation (0.4 GPM)
  • Multi-angled mounting

Explore Other Options

Affordable Options for Efficient RV Water Heating

  • $100 – $200: These are the more affordable options in this category. They usually have lower power output and may be suitable for smaller RVs or occasional use
  • $200 – $400: This price range offers a good balance between quality and affordability. You can find tankless water heaters with higher power output and additional features, making them suitable for most RV sizes and regular use
  • $400 – $600: In this range, you'll find high-quality tankless water heaters with advanced features, such as digital temperature control and multiple power settings. These are ideal for larger RVs or frequent use
  • $600 and above: The top-tier options in this category fall within this price range. These tankless water heaters are built with premium materials, have the highest power output, and offer advanced features like Wi-Fi connectivity and energy-saving modes. They are perfect for RV enthusiasts who prioritize performance and convenience
  • Remember, prices may vary depending on the brand, model, and any additional features included. It's always a good idea to read customer reviews and compare different options before making a purchase decision

My Top 5 Picks for the Best Electric Tankless Water Heater for RVs in 2023 [Review]

Choosing the Perfect Electric Tankless Water Heater for Your RV

  • Size and capacity: It's essential to choose a tankless water heater that is compact and specifically designed for RVs. Consider the space available in your vehicle and ensure that the unit will fit comfortably. Additionally, check the heater's capacity to ensure it can provide enough hot water for your needs while on the road
  • Energy efficiency: Since you'll be using the water heater in an RV, energy efficiency is crucial to conserve power and prolong battery life. Look for models that have a high energy efficiency rating, as this will help you save on electricity costs and ensure optimal performance while on the go
  • Temperature control features: Temperature control is vital to enjoy a comfortable shower experience in your RV. Look for a tankless water heater that offers precise temperature control settings, allowing you to easily adjust the water temperature according to your preference. Some models even come with a digital display to provide accurate temperature readings
Steve Donaldson Master HVAC technician
Steve DonaldsonMaster HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

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