We know how painful it is to live in RV during the cold winters. The heater system of RVs is not accurate enough to keep you warm throughout the day. No worries, we’ve got you covered already. In this article, we’ll discuss the Best Electric Tankless Water Heaters For RV. Those who want to travel in the cold winter days you’ll need a proper heating system. That’s why finding the best RV heaters will be the best option.

Top 6 Best  RV Heaters

Best Electric Water Heater By RV EcoSmart Eco 11

Best Electric Water Heater By RV EcoSmart Eco 11This heater is considered as the Best Tankless Water heater For RV due to the incredible features. Unlike the gas heaters, electric ones do not require burner or flames. The installation of this product is simple, and you won’t need any professional for it. This heater can heat up to 105F, and water reaches to the several pipes. Furthermore, the heater is designed in a way to provide maximum control to the user. However, you can get consistent hot water on the go.

The product can save 60% of the energy bills. It does not have any standby time, and the heater goes off along with the pipes. The tankless water heater comes with the digital temperature control that allows you to check the temperature. It is best for those that do not require any high hot water supply. One can easily install it at the faucet, where you need the fastest water flow.

It has a self-modulating feature that means whenever the temperature goes down, the heater will maintain it on their own. It has digital control so you can adjust the temperature quickly. If you want an application to run a single shower, then there is no doubt that it is one of the Best Electric Tankless Water Heater For RV Shower. 

Features About Best Electric Water Heater By RV EcoSmart Eco 11

  • It can save 60% of the energy bills.
  • You’ll get the endless water heater.
  • It is based on Patented Self-modulating Technology.
  • It has digital temperature control.

EcoSmart Eco 11 Pros&Cons


  • The components are made up of copper and stainless steel.
  • It has a compact size.
  • You can use the heater for single or multiple applications.
  • It delivers 2 gallons per minute.


  • The point of use is not ideal for all customers.

Technical Details About EcoSmart Eco 11

Weight6.5 pounds
Dimension3.75 x 8 x 11.5
Power Consumption220 Volts
Flow Rate0.25 GPM

Our Review About EcoSmart Eco 11

Ecosmart is no doubt the leading company in the world of the tankless water heater. The product is based on the self-modulating technology that ensures the maximum hot water and helps control the energy bills. It can deliver 2 gallons per minute. So you can use it for a single shower or a sink. However, it can run the two sinks at a time. It will provide you with perfect hot water that never gets cold. It has a wall-mounted design so you can attach the product anywhere.

Why Should You Purchase

This tankless water heater works amazingly and never puts you in any cold water hassle. It comes with a lifetime warranty and an incredible flow rate. Most of the users give it five stars due to the flawless hot water supply. It saves energy costs and delivers endless hot water as well. The product is no doubt best of best due to the high quality and premium features. If you’re looking for a product that delivers hot water to sinks and a single shower, then go for it.


Best Electric Water Heater By RV EcoSmart POU 3.5

Best Electric Water Heater By RV EcoSmart POU 3.5This product has excellent performance and best for the cold winter days. It can supply three fixtures, and you can use the two showers at a time. It is based on the SMART technology that makes the product energy efficient. The tankless water heater has an LCD panel so you can easily program the unit according to your requirement. The product has 98% energy efficiency that helps to reduce the electricity bills.

This heater has a corrosion-resistant heating element that eliminates the production of chlorine and calcium. It is a compact and light appearance. The product is best to use it under the sink and delivers on-demand hot water supply. It comes with the digital temperature so you can adjust the product as required. No doubt, it is one of the Best Portable Electric Tankless Water Heater For RV. With the temperature controller, you can quickly enter the necessary hot water range.

Features About Best Electric Water Heater By RV EcoSmart POU 3.5

  • It delivers the hot water to one sink perfectly.
  • The product has high efficiency.
  • The activation required a minimum flow rate.
  • It has an easy installation.

EcoSmart POU 3.5 Pros&Cons


  • It has copper and stainless steel heating elements.
  • The product has a sleek design.
  • It has digital temperature control.
  • It has a low weight.


  • The warranty is short.

Technical Details About EcoSmart POU 3.5

Weight4 pounds
Dimension3 x 11 x 6
Power Consumption120 Volts
Warranty1 year
Flow Rate0.5GPM

Our Review About EcoSmart POU 3.5

The product is best to deliver the hot water to a single sink. You can adjust the temperature as required with the digital controller. However, the users reviewed that Ecosmart POU is best to use for the single sink. Furthermore, it helps to cut the cost of energy bills. Due to the sleek appearance and low weight, you can place it anywhere in the kitchen.

Why Should You Purchase

Looking for the best product to get hot water at RV? Well, this one is perfect to use under the sink. You may require hot water for dishwashing or in the bathroom basin. This product will deliver endless hot water supply on the go.


Best Electric Water Heater By RV Rinnai V Series

Best Electric Water Heater By RV Rinnai V SeriesRinnai products are no doubt considered as the best ones due to the high-end features and fantastic performance. The Rinnai V65EP is fueled by propane, so you’ve to install it outside the RV. However, the product has ½ gas line and comes with the wifi connectivity option. So you can easily set the temperature as required by staying inside through WIFI. It has the capability to provide 6 gallons per minute but less energy efficient.

It is durable and has improved scale detection. Now you don’t need to choose between the shower or sink because it allows you to run both at a time. It is based on the thermaCirc360 technology that recirculates all the hot water to provide water with the same temperature. It gives the hot water on the go, so you don’t need to wait for even a few minutes.

Features About Best Electric Water Heater By RV Rinnai V Series

  • It is based on thermacirc360 technology.
  • The product has wifi connectivity option.
  • It delivers six gallons per minute.
  • It can save valuable space.

RV Rinnai V Series Pros&Cons


  • It provides endless hot water supply.
  • It has a slim design.
  • The heater is reliable.
  • The product is highly efficient.


Technical Details About Rinnai V Series

Weight47.4 pounds
Dimension9 x 14 x 23
Power Consumption120 volts
Flow Rate6.5 GPM
Warranty120 months

Our Review About Rinnai V Series

This superb product comes with the endless water supply. Whether you want to run a sink or a shower, you’ll never face hot water issues. Furthermore, the heater can produce hot water on demand whenever required. It comes with the thermacirc360 technology that allows the hot water to recirculate in the pipe. You can install this compact design in any small space including a cabinet, closet, or anywhere. The product is affordable and space-saving as well. We’ll recommend this laptop for RV.

Why Should You Purchase

It is a reliable product and has a sleek appearance. The product has such an excellent design that it doesn’t ruin your house outlook. You can install it outside the RV to get on-demand hot water for kitchen use or shower. It is the Best RV Tankless Water Heater.


Best Electric Water Heater By RV Stiebel Eltron 230628

Best Electric Water Heater By RV Stiebel Eltron 230628It is a superb product with such amazing features. The product comes with reliable yet straightforward functions. It is used for a single point of use. You can attach it under the sink or any other place. The flow switch controls the heating element of this product. No doubt, it is the ideal water tankless heater for the sinks, laundry areas, or RVs. However, it can provide low flow showerheads. But it will be best to use the heater for RVs.

It comes with the advanced microprocessor control that helps you to regulate the temperature as required. Furthermore, you can control the heat by using the simple dial. It has an easy plumbing design with a sleek appearance. The product has seismic proof of construction and supreme performance.

Features About Best Electric Water Heater By RV Stiebel Eltron 230628

  • Set the knob and get the required temperature.
  • It delivers instant hot water.
  • It has a quiet operation.
  • The product is reliable.

Stiebel Eltron 230628 Pros&Cons


  • The water temperature is up to the mark.
  • It reduces electricity costs.
  • It has a durable construction.
  • The product has an excellent capacity.


  • The water heating could take time on cold winter days.

Technical Details About Stiebel Eltron 230628

ManufacturerStiebel Eltron
Weight5.94 pounds
Dimension4.1 x 7.9 x 14.2
Power Consumption240 volts
Flow Rate3 years

Our Review About Stiebel Eltron 230628

This is the best product to use in RVs. It comes with excellent features and reliable performance. The product allows you to set the temperature and get the required hot water within a few seconds. However, you can easily mount it on the wall. Furthermore, it helps to reduce the cost of the electric bill and never get colder over time. It requires minimal maintenance and lasts long. However, the installation is quite simple. The Tankless Water Heater RV Reviews are quite impressive.

Why Should You Purchase

According to the Tankless Water Heater For RV Reviews, the product has reliable performance and no water delays. It provides you unlimited water whenever required. Whether you want to run a sink or a shower, this will deliver high water flow and incredible capacity.


Best Electric Water Heater By RV Camplux BW211

Best Electric Water Heater By RV Camplux BW211It is the supreme tankless water heater with such incredible features. The heater comes with the two size D batteries and such lightweight. The product has easy yet simple handling. You can get the instant hot water for a shower anytime. It is one of the Best Electric Tankless Water Heater For RV Shower. One can easily mount the tankless water heater at any surface. The heater has anti-freezing protection and contains an overheating sensor that slows down the temperature whenever required. Furthermore, it can automatically activate the water pressure accurately. It drains the leftover to eliminate the freezing issues on winter days.

Furthermore, the heater shuts down when the temperature becomes more than 167F. It helps to save energy bills and reduce your cost as well. It is easy to carry so you can place it anywhere. It delivers endless hot water within a few seconds. It has an electronic ignition system that does not require any pilot light at all.

Features About Best Electric Water Heater By RV Camplux BW211

  • It has advanced safety features.
  • It is easy to use.
  • The water pressure is accurate.
  • The heater is portable.

Camplux BW211 Pros&Cons


  • It comes with an excellent ignition system.
  • You can mount it indoors if you have a proper flue pipe.
  • It requires less voltage.
  • It comes with an overheat protection system.


  • The instruction guide does not explain the installation process adequately.

Technical Details About Camplux BW211

Weight18.9 pounds
Dimension12.6 x 6.14 x 20.47
Power Consumption3volts
Flow Rate2.11 GPM

Our Review About Camplux BW211

Some customers give five stars to this incredible product. The heater delivers instant hot water without any delays. It keeps you safe from the overheating temperature and comes with the ignition system as well. Those who require hot showers then this one is best for you. It comes with trouble-free batteries and utilizes less electricity. Just a couple of hours needed for plumbing and the heater will all be set to use for years.

Why Should You Purchase

Those who want the endless hot water to take a shower or for any other purpose, then this one is perfect for you. It has great water pressure and water flow as well. It is easy to run this heater without any need for a professional.


Best Electric Water Heater By RV Titan 

Best Electric Water Heater By RV Titan This model is upgraded and comes with an LCD screen. It has a micro temperature sensor that aids in maintaining the temperature. It is the most potent heater with a fast flow rate. It has 60% efficiency and long-lasting performance. The product comes with a small size and efficient working. It provides an endless water heater to the entire home, apartment, RVs, and other places where required. It can easily replace the traditional one without making you feel discomfort.

Don’t worry about running out of water in front of the guests you’ll never face this embarrassing situation. It is best for the warmer climates and work round the clock to deliver the on-demand hot water. In this product, dual nichrome elements are used to boil the water. It has ½ pipe fitting and high water pressure. It comes with the visual indicators that will tell you when the switch is on by showing red light and green for the pause.

Features About Best Electric Water Heater By RV Titan

  • It meets the ANSI and UL standards accurately.
  • It has excellent performance.
  • The product comes with a microtemp sensor.
  • It contains two light indicators for the visual inspection.

TITAN Pros&Cons


  • It comes with the latest analysing system.
  • It has excellent material that prevents rust plus mineral accumulation.
  • You can control the temperature through the manual thermostat.
  • It contains an upgraded LCD screen.


  • It cannot fulfill the water needs of a large family.

Technical Details About Titan 

Weight7.93 pounds
Dimension4.8 x 9.6 x 12
Power Consumption220V

Our Review About Titan

The product has reliable performance and impressive features. It has such a small size but high energy efficiency. The warranty for this product is 10-15 years, and many of the users claim that it works perfectly for straight ten years. It worths every single penny and serves you with instant hot water for years. It is easy to install and reduces electricity costs as well.

Why Should You Purchase

If you’re looking for the splendid product to get the hot water supply at your two showers and sinks, this one’s for you. The product has excellent reviews, and every other user gives it five stars for longevity. Invest in it and get the hot water for 10-15 years without hassle.


Buying Guide

Selection is not an easy process, and finding the accurate product from thousands of items available in the market is hard. But we made it easier for you. How? After extensive research, we come up with the guidelines that will help you to find the one from the rest. Here are the points to keep in mind while purchasing the Best Electric Tankless Water Heater For RV:

  • First of all, keep the budget limit in your account. Set the amount that you want to spend then move towards the product selection. Thus it will be easy for you to select the one that falls in your budget category.
  • Get the product with high energy efficiency. Unlike the traditional ones, an electric tankless water heater can help you save the electric bills. Get the one that aids in saving money.
  • Make sure to check the warranty of the product before buying it. Choose the one that comes with the high warranty so you won’t need to replace it for years.
  • Select the heater with the proper size. First of all, mention your needs and check if the product has an accurate volume and adjust with your home decor.
  • The next thing is the flow rate that must be efficient enough. However, some of the users can tolerate the moderate flow rate and some required highest rate. So get the one accordingly.
  • The users must know about the requirement, like whether you need a heater for your kitchen or just a single bathroom at RV. Every product comes with different features, so it will be easier for you to select the one.

However, if you want us to choose the one, we’d suggest you go for Ecosmart ECO 11.


1. What is the best tankless water heater for an RV?

Following are the best tankless water heaters:

  • Ecosmart ECO 11.
  • Titan tankless water heater.
  • Stiebel Eltron tankless water heater.

2. Can you use a water heater in an RV?

You can use the tankless water heater on RV. The size of the heater depends on the place you’re living in. However, you can easily place the tankless water heater anywhere due to the compact size and lightweight.

3. How do you run an electric water heater on RV?

Here are the steps to follow:

  • Check the bypass valve of the water heater.
  • Open it and allow the water to flow in the primary tank.
  • Connect the RV to the water outlet nearby.
  • Turn on the hot water tap, and the water will start to flow through the lines in the tank.

4. What are the electrical requirements for a tankless water heater?

You’ll require 120amps to operate the average electric tankless water heater.

5. What is the best electric water heater for RV?

Ecosmart ECO 11 is the Best Electric Tankless Water Heater For RV.



We’ve discussed the Best RV Tankless Water Heater in detail. Choose the one that goes with your requirements perfectly. However, you’ll require the hot showers and hot water for the kitchen as well. So select the heater wisely.