best tankless water heater rv

Tankless Water Heater for RV (8 Best)

Updated October 11, 2022

- By Annie Martin

In terms of efficiency, the tankless water heater tops the list for RVs. Unlike traditional heaters, tankless water heaters for an RV use less propane and electricity, saving 30% RV energy consumption. It also saves space and provides an endless hot water supply. 

Through this post, we will discuss 8 of the best tankless water heaters for RVs that you can consider purchasing. 

installing tankless water heater rv 1

We have highlighted their main features and other aspects so you can make the right decision. 

Scroll down to check out the best available tankless water heater options. 

8 Best Tankless Water Heaters for RV

Here are 8 of the best tankless water heaters for RVs that can help you space. 

These water heaters differ from each other in a few aspects but are the best options available on the internet. 

#1 Stiebel Eltron Mini 

The Stiebel Eltron Mini is an efficient tankless water heater for an RV with a modern nichrome heating element. It has 99% thermal efficiency, which means no virtual energy waste. Also, this unit has a manual reset button. 

There’s a safety high limit that turns the device off when the water gets too hot. You can expect a maximum temperature all the time because the device doesn’t have temperature adjustment settings. 

You can quickly install Stiebel Eltron Mini on the wall or under the cabinet without hiring licensed plumbers. This water heater comes with a pigtail electric cord for easy installation. 

Stiebel Eltron 220816 Model Mini 3-1 Mini Single Handwashing Sink Tankless Electric Water Heater, 120 Volts, 3.0kW, 25A, Mechanical 0.40 GPM 1.5 l/min Flow Rate, 0.026 gal / 0.1 L Water Volume
$204.73

Pros:

  • It’s an affordable tankless water heater. 
  • It comes with modern nichrome heating. 

Cons:

  • It does not have temperature adjustment settings. 


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12/04/2022 05:58 pm GMT

#2 Marey ECO150 220V/240V-14.6kW Tankless Water Heater

Marey ECO150 220V/240V-14.6kW Tankless Water Heater is easy to install but requires a change of circuit (to 70 amp). It includes an anti-dry heating device with an overheat sensor to protect the RV and the device. 

This tankless water heater for RV shower also has a corrosion-resistant stainless steel heating chamber. It can be installed vertically. 

The device lets you control temperature and has a water flow rate of 3.5 GPM. That means it’s a reliable water heater for couples on the road. 

Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White
$203.79

Pros:

  • The water heater has a slim design.
  • It comes with adjustable temperature settings. 

Cons:

  • It might not perform perfectly in colder climates. 
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12/04/2022 06:04 pm GMT

#3 Bosch Electric Mini

Bosch Electric Mini is a 4-gallon tank model. It includes multiple safety features, like temperature and pressure relief valves. There’s also a replaceable anode to stop corrosion. 

This tankless water heater for a camper has three temperature settings, i.e., Min, Ideal, and Max. You can easily install this unit as it simply requires to be plugged into an outlet. 

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
$182.99

Pros:

  • It comes with three temperature settings. 
  • It has a longer warranty than other models. 

Cons: 

  • It is heavier and larger than the usual tankless water heaters. 
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12/04/2022 06:09 pm GMT

#4 Ecosmart POU 6 Water Heater 

Ecosmart POU 6 is a compact water heater but performs as efficiently as regular-sized models for RV. The slim body of this unit makes it perfect for a wall mount. It operates at 220v and is quite efficient. 

This tankless water heater for RV electric is hard-wired. While the unit has a digital thermostat to show the current water temperature, the temperature cannot be controlled. 

The copper heating element and stainless steel exchanger helps it to heat the water. You should hire professionals to install this water tank.

Ecosmart POU 6 Point of Use Electric Tankless Water Heater, 6 KW,White,1/20, 1/40, 1/95
$145.35

Pros:

  • It's an efficient tankless water heater unit. 
  • It is compact and lightweight. 

Cons:

  • You cannot use it for showers. 
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12/04/2022 06:13 pm GMT

#5 ECOTOUCH Tankless Water Heater

ECOTOUCH Tankless Water Heater is an easy-to-install unit you can purchase for your RV. It has different safety features to protect the RV and device from over-voltage, over-temperature, and dry fire. 

The electricity and water sources are separated to reduce the risk of corrosion. The unit comes with temperature adjustability from 85 degrees to 131 degrees. Also, you get multiple mounting options. 

Tankless Water Heater Electric ECOTOUCH 9KW 240V on Demand Water Heater Self-Modulating Instant Hot Water Heater Point Of Use Water Heater ECO90 White
$179.99

Pros:

  • It's an affordable tankless water heater. 
  • It has a thin design. 

Cons:

  • The mounting material of this tank is flimsy. 
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12/04/2022 06:18 pm GMT

#6 Camplux 5L 

The Camplux 5L is a CSA safety standard-approved tankless water heater. It is lightweight and comes with a portable handle for easy carry. 

The anti-freezing drain plug of this tankless water heater for RV propane can discharge the residual water. This device turns off automatically when the water temperature goes beyond 176F. 

Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV, Camping, Barns, White
$159.99

Pros:

  • It's a portable water heater. 
  • It is a battery-operated unit. 

Cons:

  • The water pump is sold separately. 
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12/04/2022 06:25 pm GMT

#7 EZ 101 Water Heater

EZ 101 Water Heater is a propane-powered tankless water heater with two D-cell batteries. The unit has a 20-minute automatic timer. 

This unit’s temperature and water flow can be adjusted using the three temperature settings. But the device might freeze in colder temperatures. 

EZ 101 Tankless Water Heater - Propane (LPG) Gas - 2 GPM - Small - Portable - Point of use - Battery Powered Ignition - Camping - RV - Hunting
$180.95

Pros:

  • It's an affordable tankless water heater. 
  • It comes with three temperature settings for quick temperature and water flow adjustment. 

Cons:

  • Long-term reliability concerns. 
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12/04/2022 06:28 pm GMT

#8 Eccotemp i12-LP Water Heater

Eccotemp i12-LP Water Heater is a reliable tankless water heater for outdoor use. It has a water flow rate of 4 GPM that activates only on demand. This unit has a sleek and modern design with a glass front panel. 

You can save huge energy with the child lock technology and fully automatic temperature control of this tankless water heater.

Eccotemp i12-LP Water Heater, 4 GPM, Black
$346.33

Pros:

  • You can install this water tank without any professional help. 
  • The unit comes with easy controls and an LED screen. 

Cons:

  • Variable temperature. 


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12/04/2022 06:34 pm GMT

FAQs 

Can you put a tankless water heater in an RV?

Yes, you can use a tankless water heater in an RV because it requires less space for storage. Also, the water heater unit is energy efficient and requires less maintenance. 

What is the downside of a tankless water heater?

One major downside of tankless water heaters is that it requires more time to deliver hot water. Plus, during a power outage, you cannot get hot water. 

How much does a tankless water heater cost for an RV?

The average tankless water heater for an RV cost up to $1000—the price changes depending on how much hot water you require in your RV. 

Do they make electric tankless water heaters for RVs?

Yes, you can install an electric tankless water heater into your RV. This water heater comes with hot water on-demand features. Plus, it does not take up much space. 

Conclusion 

A tankless water heater for RVs is a great idea as it uses less propane and electricity. After going through the 8 best tankless water heater recommendations in this post, you can find the right unit for your RV. 

best water heater rv install

We hope you found this informative.

Also, let us know if you have used any of the suggested tankless water heaters for RV. If yes, then leave a comment down below! 

Annie Martin
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