Best Electric Tankless Water Heater for RV to Get in 2022!

1. Bosch Tronic 3000 T Electric Mini-Tank Water

Score 9 OUT OF 10

Bosch is quite a popular brand when it comes to producing top-notch water heaters. This time, too, they have brought the 3000 T variant, offering many feasible features to get started with.

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If we talk about the capacity of this electric tankless water heater for RVs, it comes with 4 gallons of support. This means you can get 4 gallons of warm water every minute, which is more than enough even if a few people use water at the same time. 

Not only that, you can easily fit the heater under the sink or any compact place due to its compact size. You will not have to think about preparing a particular area to integrate it, and you can mount it anywhere you want.

The Bosch Tronic 3000 T also comes with an electric efficiency of 98%. If you do not want to waste electricity, this water heater will surely help you. As for the build quality of the heater, it comes with a premium glass-lined material, so you can use it for years without getting the base damaged.

Besides that, the Bosch Tronic 3000 T requires a 120V power source to work. You have to integrate one main cold water supply, and in return, you get heated water to use in two different places.

Simply put, the Bosch Tronic 3000 T can provide heated water to two sinks at a time. Another convenient thing about this heater is that it is effortless to mount. All you need to do is install the provided bracket and mount it.

2. Stiebel Eltron 239223 Tankless Water Heater

Score 9.2 OUT OF 10

Stiebel Eltron 239223 is one of the sleekest electric water heaters you could ask for your RV. The best thing is, it comes with quite a stylish design making your RV look even better from the inside. Its compact and sleek design lets you easily install it wherever you want. Best of all, you get a stable, unlimited water supply with this heater.

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As for the electric supply needed for this water heater, you will have to get a hard-wired 240 volt or 208-volt connection for it to work. To make things even easier, Stiebel Eltron has even provided a digital display along with preset buttons to set the temperature. You will only have to tap once on your preferred temperature, and it will do the job almost instantly. 

This best electric tankless water heater for RV also comes with advanced water flow technology. It helps the heater to sustain the temperature at a certain point without cooling it down. The heater even provides a saving meter to determine how much energy you have saved with it.

3. EcoSmart ECO 11 Electric Tankless Water Heater

Score 8.8OUT OF 10

Just like the brand name suggests, EcoSmart ECO 11 is the electric heater that provides ultimate energy efficiency at the rate of 99%! The 99% thermal energy efficiency would surely save you quite a lot of electricity, making it possible to save some extra bucks.

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Not only that, but this heater is designed to heat the water on-demand only. It will not utilize electricity to keep the water warm all the time. Instead, it will instantly heat the water when demanded. This procedure saves energy and can be quite convenient for almost everyone.

If we talk about the design of this best electric tankless water heater for RV, it is claimed to be 90% smaller than the standard water tank heaters. Its design is long instead of wide, which is excellent for some users because it saves a lot of space in your RV. You can easily carry it and mount it under the sink or right beside the bathroom shower to get started. 

With this tankless heater, you will also not have to worry about the water running out as it provides you with a constant hot water supply. You can also adjust the temperature through the slider integrated right on the front of the heater. 

There is a digital display too that would show the temperature of the water. Rather than complicating the whole procedure, the brand has given only a single output and input of water. You have to integrate the cold water line to one side, and it will provide hot water from the other. 

4. ECOTOUCH Tankless Water Heater

Score 8OUT OF 10

If you are looking for a perfect and smart solution for your hot water needs, then you might want to take a look at ECOTOUCH Tankless Water Heater. This heater comes with unlimited water supply support and a 5.5KW heating system.

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You will certainly not have to wait for minutes to get the hot water with this heating system. The water will flow almost instantly and endlessly to fulfill your needs efficiently. This heater is also integrated with a smart adjustment system that adjusts the power usage automatically. 

Whenever you opt for lower temperatures, the electricity consumption will be lowered automatically, and vice versa. Along with that, the 98% energy efficiency also saves a considerable amount of electric charge. 

If we talk about integration, this heater is quite easy to integrate. Due to its size, you can simply mount it on a wall without creating an extra fuss. But as the water supply is integrated from below, you cannot just put it on the floor to get started with. 

This heater comes with one input for the cold water and a single output for the hot water. You can adjust the temperature through the buttons provided as per your preferences. There is a digital screen available too that will keep you updated with the temperature you have set. 

The build quality of this best electric tankless water heater for RVs is also quite good. You will not have to worry about the leakages and short circuits due to it. Users can get a maximum of 1.2 gallons per minute, which might seem less to some, but is enough for the usual sink usage.

5. EcoSmart ECO 18 Electric Tankless Water Heater

Score 9OUT OF 10

Here is another EcoSmart tankless water heater, but this time, we have an advanced version making your experience even better. But you might now be wondering how? The EcoSmart ECO 18 Tankless Water Heater comes with self-modulating technology making it possible to save up to 60% of your water heating costs.

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As for its heating features, this model comes with an unlimited hot water supply but a maximum of 4.3 gallons per minute water flow. This much flow is indeed enough to use the heater with multiple outputs at the same time. Even the water pressure will seem good due to it, and you will be able to enjoy hot showers right away! 

The overall body of the heater is quite durable and will probably last for multiple years without causing you any troubles. You can also adjust the temperature through the round slider available on the front. 

As this electric tankless water heater is very compact, you can easily place it anywhere in your RV. To keep track of everything, it also has a digital screen to help you check the temperature of the water. The overall installation process would also be hassle-free as you will only have to mount. As for the energy supply needed, it requires 18KW at 240V. But surely, the heater will save a lot of energy due to its automated tech.

6. Stiebel Eltron Tempra 24 Plus Tankless Water Heater

Score 9.2OUT OF 10

If you are someone who likes to keep your RV noise-free, then this water heater is your perfect match. Unlike many water heaters, this tankless heater is really quiet and does not produce sound while operating. Well, if we evaluate the other features of this heater, they might please you even more.

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This tank comes with advanced flow control, developed by the brand itself, ensuring that the users get perfect hot water all the time. The automated technology automatically reduces the pressure if the temperature has been increased to provide a constant heat level. As soon as the flow starts to move, the pressure becomes high again.

The same is true for its energy consumption. The heater tries to save as much energy as possible by determining the hot water usage. This best electric tankless water heater for RVs is quite easy to operate too. You only have to turn it on and set the preferred temperature. But do note that the maximum you can go with this heater is 140 degrees Fahrenheit. 

Due to its portability and compact shape, it will not take much space in your RV. You can simply put it somewhere in the corner or mount it on the RV’s wall to start using it right away. This variant requires a minimum of 150 Amperes along with 24KW at 240V to work properly. So make sure that you are providing enough energy to keep using it. 

Lastly, with its premium white design, this heater looks very elegant. Rather than making a place look messy, it will surely enhance the look of any room you place it in.

7. Rheem RTEX-24 Electric Tankless Water Heater

Score 9OUT OF 10

If you are not actually a fan of overly designed layouts along with complicated buttons to hassle yourself with, then Rheem has brought a perfect solution for you. You can get your hands on Rheem RTEX-24 Electric Tankless Water Heater for a simple and convenient hot water experience that too within seconds.

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Thanks to the self-modulating power control, you get premium energy savings. The heater will only use the energy on demand, and it will not use the energy all the time to keep the water hot. Whenever you need hot water, you will get instant water flow with its consistent water supply. 

With the robust copper elements integrated into this best electric tankless water heater for RVs, you will also get seamless durability and reliability. The installation of this heater is very simple too. If you do not even want to mount it anywhere, place it in the corner to start working. Just make sure to integrate a good input source for better supply from the other end. 

On the front, you only get a simple slider that you can use to adjust the temperature. Just above that, you get a stylish digital screen to let you know about the temperature. The maximum temperature you can get from this heater is 140° Fahrenheit – the standard range for most heaters. 

Another great thing about this water heater is that you get the maximum flow of 6 gallons per minute which can even be good for your whole RV.

8. ECOTOUCH Electric Tankless Water Heater

Score 8.6OUT OF 10

The ECOTOUCH Tankless Water Heater can be a great pick for your RV due to its unlimited hot water supply. This heater comes with a 9KW heating system that provides warm water almost instantly. It also comes with an impressive energy efficiency of 99.8%. You don’t have to wait for the heater to heat the water, and it works based on demands. 

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As for the power demand, it comes with the technology to automatically reduce or increase power usage. Just remember that the more the flow rate, the more the electricity usage.

This amazing tankless water heater for RV also comes with touch controls. You can turn it on or off and adjust the temperature through the touch controls. Also, the water and electricity lines have been separated to avoid leakage and other connection problems to make the heater durable and reliable. 

The maximum flow rate you can get from this heater is 1.5 GPM. As for the maximum temperature, you can get your water warmed to 106 degrees Fahrenheit. Due to its very compact shape, it can be easily mounted in your RV, and you can place it near the sink, shower, or anywhere you want.

9. iHeat Tankless S-16 Electric Water Heater

Score 8.4OUT OF 10

The iHeat Tankless S-16 Electric Water Heater offers reliability, durability, efficiency, and ease of use all in a single place! You cannot only use this water heater in your RV, but anywhere you want! Its small and durable design will ensure that you get the perfect water temperature while taking a shower or using the sink.

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It comes with stainless steel construction to give it strength for longer use. You will also not have to worry about corrosion and rust as stainless steel will ensure protection.

This premium electric tankless water heater comes with 16KW 240V power requirements. It can save up to 60% of your water heating costs, and you will get a water flow of 3.5 GPM – enough for two showers. This means that you will have excellent water pressure with instant warm technology even when using multiple outputs. 

The design of this heater is certainly not the best, but it is quite a simple one with standard controls to proceed with. You get three buttons to control the heater, one to increase the temperature, one to decrease, and one to turn on or off the heater. 

As for the mounting, there are sections available at the end that you can use to hang the heater or simply use a bracket for a reliable solution.

10. Ecosmart ECO 24Electric Tankless Water

Score 9OUT OF 10

Last but not least on our list is the Ecosmart ECO 240 V Electric Tankless Water, which has almost everything you could want from a water heater. This heater comes equipped with smart heating technology, which can save you hundreds of dollars on your monthly bills.

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Not only that, but it also offers a 99.8% electricity efficiency rate that exterminates the chance of wasting the charge, even a bit. Unlike most electric heaters, which require a flow of 0.5 GPM, this heater needs just 0.3 GPM to activate.

The best thing is, you get an unlimited supply of heated water without worrying about a particular limit. The water also gets instantly heated to offer you the best possible feasibility. With its smart design and structure, your RV can get a great look, and the heater won’t even take much space. You can conveniently install it within minutes and start getting warm water right away. 

To control the heater as per your preferences, you can use the button integrated on the front. There is a stylish digital screen integrated into it that will tell you the set temperature. The temperature range is between 80-140° Fahrenheit, and it is pretty good for normal usage even in the chilliest weather.