10 Of The Best Electric Tankless Water Heater For RV

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Water Heater

Tankless water heaters are a great alternative to a standard heater, especially when you want to use them in a recreational vehicle (RV). The best electric tankless water heater for RV should be portable and have a simple and compact design that can fit well in an RV. Other factors to consider when looking for a tankless water heater that will fit in your RV and work efficiently include the versatility of use and the source of power. It is advisable, therefore, to compare a variety of brands of tankless water heaters before choosing the one that matches your needs.

The market is flooded with many tankless water heater brands, making it quite a task to find one that will serve you well. In this article, we review several various water heaters to help you find the best electric tankless water heater for RV.

Best Electric Tankless Water Heaters for RV: FAQ

Finding the best electric tankless water heater for RV online can be challenging, especially if you are a first-time buyer. We have compiled a few of the frequently asked questions about these heaters to help you make an informed decision as far as what to consider when purchasing a tankless water heater.

1. What Is an Electric Tankless Water Heater for RV?

2. What Does an Electric Tankless Water Heater Do?

3. How Does an Electric Tankless Water Heater Work?

4. Where Can You Buy the Best Electric Tankless Water Heater?

5. How Do I Turn on a Tankless Water Heater in an RV?

How We Reviewed

We invested a lot of energy and research to help you find the best electric tankless water heater for RV. We focused on the products' features, pros, cons, and prices to ensure that we provided a credible list of the best electric tankless water heaters for RV.

What We Reviewed

  • Camplux 5L Portable Propane Tankless Water Heater
  • Eccotemp L10 2.6 GPM Portable Tankless Water Heater​
  • Girard 1GWHDA6 Tankless Water Heater
  • Camp Chef HWD5 Triton Water Heater
  • Girard 2GWHAM On-demand Tankless Water Heater
  • EZ 101 Tankless Water Heater
  • PrecisionTemp RV-550 Tankless Water Heater
  • Marey Power Gas 10L 3.1 GPM Propane Gas Tankless Water Heater
  • Eccotemp FVI-12-LP Propane Tankless Water Heater
  • Aquaking Outdoorsman Tankless Water Heater

Camplux 5L Portable Propane Tankless Water Heater

Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater
  • CSA approved portable tankless water heater for US &Canada markets. Lowest water pressure start up just need 3.0...
  • The maximum temperature raise is 114.8℉(46℃) and the minimum temperature raise is 46.4℉(8℃)for 1.32GPM.
  • Its compact size with folding handle keeps it out of the way, allowing for a convenient set-up outdoors.

Features

If you are looking for the best electric tankless water heater for RV, the Camplux 5L Portable Propane Tankless Water Heater is just what you need. It is extremely portable, implying that you can carry it around whenever needed. This water heater is energy efficient, hence, you do not have to worry about spending a lot of energy. It features a compact size that you can set up easily and conveniently outdoors.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Can operate where there is no electricity
  • Performs excellently in off-grid locations
  • Has control knobs for ease of use
  • Uses low energy
  • Compact
  • Portable

Cons

  • Does not have a draining system or outlet
  • Not used for drinking water

​Eccotemp L10 2.6 GPM Portable Tankless Water Heater

Eccotemp L10 Portable Outdoor Tankless Water Heater w/Shower Set
  • Being Designed and developed in Summerville SC USA, The Eccotemp L10 is the only legal CSA Certified portable...
  • Lightweight, easy to carry, and compact, makes using it for camping, hunting, in your Tiny Home, RV’s, Poolside,...
  • Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition. Powered by 2 “D”...

Features

The Eccotenp L10 is a portable tankless water heater that has outstanding features. For example, it is portable, implying that you can carry it around easily. Its design is rugged, which makes it ideal for use in outdoor settings. It uses propane to heat the water and can supply up to 2.5 GPM of hot water.


In addition, the heater is easy to set up since its installation accessories are included in the purchase package.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Ease of setup and installation
  • Low risk of overrunning and overheating
  • Can be used in any outdoor setting
  • Compact design
  • Portable
  • Ease of activation

Cons

  • Heavy heating box

​​Girard 1GWHDA6 Tankless Water Heater

Features

The Girard 1GWHAF is a reliable tankless water heater that can be used on any RV. Its size is compatible with a 6-gallon tank and offers you a great opportunity to save on LP and freshwater use. It comes with a temperature setting feature that allows you to moderate the hotness of the water. The heater is easy to use and can be installed easily and quickly. In addition, this water heater has a high performance level when compared to similar models.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Temperature controls for ease of use
  • Easy and straightforward to install
  • Ideal for use on an existing 6-gallon tank
  • Compact design

Cons

  • Noisy

​​​Camp Chef HWD5 Triton Water Heater

Camp Chef HWD5 Triton Water Heater
  • Four settings shower head: off, mist, shower, and jet
  • 34,000 BTU burner- One standard LP tank is good for approx. 11 hrs.
  • Adjustable water temp. from 80F to 150F

Features

The Camp Chef HWD5 Triton Water Heater has an excellent performance level. In addition to its ability to supply water as demanded, it comes with a control panel for adjusting the flow of both water and heat. There is a water valve at its front, making it easy to adjust how the water flows. It also comes with a water head and three settings to vary the water flow in the form of a shower, jet, or mist.


You can use it as a self-standing or hangable water heater. In addition, its carry handle makes the storage of this heater easy and fast since you only need to fold it down and store.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Supply of enough water on demand
  • Ease of the control of water and heat flow
  • Ease of use, installation, and storage
  • Can run continuously for 18 hours
  • Adjustable water head controls how the water flows

Cons

  • Battery connectors may not work well during initial use

​​​​Girard 2GWHAM On-Demand Tankless Water Heater

Girard 2GWHAM On-Demand Tankless Water Heater
  • Regulates the burner to maintain the set hot water temperature.Freeze protection - designed for winter Use
  • 42,000 BTUs which provides the optimum performance for an RV's plumbing
  • No special LP gas lines or special plumbing required

Features

The Girard 2GWHAM On-Demand is possibly the best tankless water heater for RV available on the market. It is considered a stronger version of the Girard 1GWHM. It comes in an average size ideal for use on any recreational vehicle. Its design has useful features most people wish to find in a water heater. The automatic monitor allows the heater to detect any changes in temperature, allowing it to adjust accordingly.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Highly durable
  • Quiet
  • Can be used on any weather
  • Compatible with most RVs
  • Automatic temperature detection and adjustment
  • Stronger

Cons

  • Does not include mounting hardware

EZ 101 Tankless Water Heater

EZ 101 Tankless Water Heater - Propane (LPG) - Portable - Battery...
  • Battey Powered Ignition - 2 "D" Cell Battteries Not Included
  • Great for use at campsites, while fishing, while hunting, or any where hot water is needed.
  • Easy Portability - Only 14 LBS

Features

The EZ 101 is an affordable tankless water heater that is quite effective. It features a simple design, making it ideal for use in outdoor activities. In addition, this design makes the installation and use of the water heater quite easy and fast. It is lightweight and portable with a weight of 14 lbs.


The EZ 101 tankless water heater fires up immediately after you open the faucet. Similarly, turning off the supply of water turns off the flame automatically.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Relatively affordable
  • Portable and lightweight
  • Automatic operation
  • Comes with a 20-minute time for protection
  • Simple design
  • Ease of installation and use

Cons

  • Concerns of low flow rate
  • No anti-freezing feature

PrecisionTemp RV-550 Tankless Water Heater

PrecisionTemp RV-550 Tankless Water Heater - Wall Vented
  • Designed specifically for RVs, trailers, tiny houses, cabins, mobile washing services, and more
  • Takes up 1/2 the space and weighs 1/3 as much as a 10-gallon tank
  • No pilot light and very high propane efficiency

Features

Most users consider the PrecisionTemp RV-550 as the best electric tankless water heater for RV because of its exceptional performance. It is designed to work in specific applications such as cabins, mobile washing, trailers, tiny homes, and RVs. The heater is small and compact, implying ease of use. Its compact and small size is also ideal for use on any recreational vehicle.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Can be used in a number of applications
  • Compact and lightweight
  • Consumes less propane
  • Efficient and quiet
  • A continuous supply of hot water

Cons

  • Expensive

​Marey Power Gas 10L 3.1 GPM Propane Gas Tankless Water Heater

Marey Power Gas 10L 2.7 GPM Propane Gas Digital Panel Tankless Water...
  • Digital Temperature Display
  • Compact design saves space and allows for easy installation just about anywhere
  • Does not require electricity (operates with 2 D Cell battery)

Features

The Marey Gas 10L is a dependable electric tankless water heater for an RV. It is consistent in terms of dependable performance. It comes in a compact design, allowing you to save a lot of space during installation. In addition, its ease of portability and installation makes it ideal to use this heater literally anywhere. It has a large capacity for the production of enough hot water to meet the demand.


The control panel allows you to regulate water and gas flow according to your preference. You also do not need any electricity to operate this water heater, implying that you can use it anywhere.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Saves on space
  • Portable
  • Ease of installation
  • Able to supply an unlimited quantity of hot water
  • Does not require electricity to operate
  • Ease of control of water and heat flow

Cons

  • Not ideal for apartments

​​Eccotemp FVI-12-LP Propane Tankless Water Heater

Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White
  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it...
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.

Features

The Eccotemp FVI-12-LP makes it to the list of the best electric tankless water heater for RV due to its efficiency and range of applications including vacation cabins, cottages, small homes, and in RVs. It is ideal for the production of hot water in relatively small to medium quantities. It can restrict the flow of water effectively, hence, it is ideal in cases where you want to use two showers simultaneously.


In addition, it features a digital LED display that allows you to monitor water temperature and any error messages. It is energy efficient and useful for anyone living off the grid as it does not include any standby losses.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Ideal for the supply of a small to medium quantity of water
  • Easy to detect any errors and water temperature via the LED display
  • Ease of temperature adjustment through the control panel
  • Comes with own propane tank
  • Consumes energy efficiently

Cons

  • No automatic retention of water temperature

​​​Aquaking Outdoorsman Tankless Water Heater

AquaKing Tankless Portable Propane Tankless Water Heater
  • 10 minute setup time
  • Easy portability
  • Batty powered ignition 2 "d" cell batteries not included

Features

The Aquaking Outdoorsman is a propane-powered tankless water heater. It is easy to use and quick to supply hot water on demand. It is portable, implying that you can carry it easily on any recreational vehicle. In addition, it is lightweight, making it quite useful in outdoor activities such as hunting, fishing, or on campsites.

Warranty

This unit comes with a 2-year warranty.

Pros

  • Energy efficient
  • Lightweight and portable
  • Ease of installation
  • Versatile
  • Uses propane as the source of power

Cons

  • Requires a compatible pump

The Verdict

Finding the best tankless electric water heater for RV is not an easy task. It involves careful consideration of various factors such as its application, the source of power, size, and price, among other features. However, it is important to put much emphasis on the quality and performance of the heater in relation to your needs and preference.

In this review, Camplux 5L Portable Propane Tankless Water Heater topped our list as the best electric tankless heater for RV. Apart from its compact design, this heater is portable, high in performance, and energy efficient.

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