6 Best Tankless Water Heaters for RV (Reviews In 2021)

Best Tankless Water Heater for RVYou must ensure your RV has enough hot water because it is really important when you go outside of the home like hiking, biking, and some other place. The problem is that hot water. If the RV has not enough hot water, then you must fall a great problem. The best tankless water heater for RV is really helpful and helps you to avoid the problem.

When you chose an RV, then you and your group take a hot shower, which is also helpful for your health condition — this why a water heater is really important for everyone who wants to go outside of the home. However, if you are the mood to buy the best tankless water heater for RV, then you can the below six products list because all of the product my team and I find so hard and do proper research. So, check the list below and buy your desired one.

Top 5 Best Tankless Water Heaters for RV in 2021

1. Camplux Portable Outdoor Water Heater

Camplux Portable Outdoor Water HeaterCSA approved a water tankless water heater for the USA and Canada people. It is able to provide the lowest water pressure at 3.0 PSI. 1.32 gallons of hot water per minute of output. You can increase its maximum water temperature 46 degrees C and minimum water temperature 8 degrees C.

It also able to provide a comfort shower anytime. This water heater also works with low temperatures. It also has anti-freezing protection and oxygen. So, you can easily use this product without any problem. Camplux is a durable water heater; you can easily use this product for a long time. So, without feeling any problem, buy this product right now.


  • Perfect waterfall
  • CSA approved product
  • Control perfect temperature
  • Durable
  • Safe


  • Lacks system

2. Girard Products 1GWHAF Water Heater

Girard Products 1GWHAF Water HeaterThis is the second-best tankless water heater for RV. It has 1 GWHAF Girard water heater. It is the perfect water heater, which is perfect for the RV owners. This water heater has a 6 gallons water system, which is really helpful for the RV owners. Another important feature of the water heater is saving water and LP.

You can easily control this water heater temperature. You can make an adjustment when you need it. This why it is so important for the RV owners. You can easily install this product. Its installation method is wall-mounted. You no need any extra tools to install this product. So, you never need any extra cost to install the product.


  • Easy to install
  • Durable
  • Easy to control
  • Perfect temperature
  • Provide low-pressure water


  • Product noise when you start it

3. Girard 2GWHAM Water Heater

Girard 2GWHAM Water HeaterNow Girard 2GWHAM water heater is so popular. I hope that you already notice it. It is a tankless water heater system which provides lots of facilities. You can easily control and monitor the water temperature. The product provides a perfect water temperature, which is safe for your skin also.

It is also able of delivering up to 42000 BTUs, which is enough for any class of the people. This product has a plumbing system for your RV. This product really impresses me with its features. You can also get a good and long-time warranty. The product holder service really fast. If you fall any problem just make a call, they solve your problem as soon as possible.


  • Deliver up to 42000 BTUs
  • Perfect for RV
  • Easy to control water temperature
  • Durable
  • Easy to install


  • You need to buy mounting hardware

4. PrecisionTemp RV-550 Water Heater

PrecisionTemp RV 550 Water HeaterIt designs for the RV and able to work for the RV. You can use this water heater cabin, tiny room, mobile washing service. You must check this water heater also. It is an RV water tankless heater, which is perfect for a tiny room. However, it can provide 940 gallons of water when you take your shower temperature.

This water heater also boasts of its 20lb capacity. I am really impressed by this water heater because of seeing its extra features. So, why you do not buy the product right now. It can easily provide hot water with strong power and can reach up to 55000 BTUs. You can also find from this water heater lots of facilities which you do not see ever.


  • Provide perfect water temperature
  • Very strong
  • Easy to install
  • Durable
  • Attractive look


  • A bit expensive

5. Eccotemp FVI12-LP Water Heater

Eccotemp FVI12 LP Water HeatersIt is perfect for the home and works with gas-powered. Eccotemp rated at 3.6 gallons activated only when you use this product. Making this product energy saving also. It is able to provide you small and medium temperature water. You can also find a modern display that helps you to know the water temperature, and you can also control the water temperature.

You can also adjust the temperature until your desired temperature. This why it is popular for its display and other feature. You can easily use this product for any indoor rooms, cabins, and some other places. Never think about the product installation method.


  • LED display
  • Attractive look
  • Safe
  • Provide extra facilities
  • Safe for kids


  • Have not an automatic system

6. VENTFREE Tankless Gas Water Heater

VENTFREE Tankless Gas Water HeaterOne of the best things s about this product is the lifetime warranty. If you are looking for a tankless water heater which is used for the large room like any indoor, cabins and so other places, then You can try this gas water heater comes from Excel. You can also set up a low-pressure water system.

It has two buttons to control the water temperature. Its installation method wall-mounted, which is really easy to install. So, all of the things about the product is really good enough for any of the room. I hope that you never find any problem when you used this product. But if you fall into any problem just call the product provider, they solve your problem as soon as possible.


  • Fast product holder service
  • Attractive look
  • Durable
  • Easy to main
  • Perfect water pressure
  • Safe for the kids


  • The installation instruction unclear

Best Tankless Water Heaters for RV Buying Guide:

Make sure you follow my guidelines before you buy any of the products.


Your first and foremost duty is that you must know the product durability. If you think the product is not durable, then you should avoid the product. So, read the product description carefully and then buy the product.

Where you used

So many products are not suitable for the cabin or outside of the home. So, before you buy any of the products, make sure it is full-fill your desire.

Quiet work

So many people feel disturbed when the product working loudly and they really annoyed. I hope you do not want to annoyed then buy a product which works quietly.

Water pressure

Make sure the product provides you a perfect water pressure. It also depends on your health condition to this why you must know the water pressure levels.


One thinks you must remember safety is first. If you think the product is safe for you and your family, then you should buy it. Because lots of products do not provide safety and occur an accident.

Best Tankless Water Heaters for RV (FAQs)

Q: Which is the best water heater in the market?

A: You can buy any of the products in the above list because all are really good enough.

Q: Is a water heater for RV suitable for outside of home?

A: Yes, but all of the products not suitable for the outside of the home. So, before you buy, you must check this.

Q: Is a water heater costly?

A: Not at all, but if you want to buy the extra facilities or more advantageous product, then you can buy the product.


Moreover, if you want to buy the best tankless water heater for RV, then you can try any of the products in the up list. All of the product advises seniors and so many advisors. So, if you think you need more information, then you can go to amazon.com and then buy any of the products. I hope that you can understand whatever I say to you about these six products. So, why you are late today buy the product right now and enjoy yourself a lot.

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About the author

Sharif Miah

I am Sharif, 22, a student, currently doing the BBA program. Besides, I am an online Blogger.

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