7+ Best RV Tankless Water Heater Reviews 2020!

These days, more and more individuals want to travel on their RVs, and that is because you can really enjoy the beautiful scenes on your way to your destination. But contemplating the issue of the heated water utilized on the recreational vehicle, most individuals might simply get puzzled. What if I desire to make use of the endless hot water on the RV? Can I take a shower in my car? You might ask such questions. Well, the answer is yes, with the help of a top RV tankless water heater.

These devices are light in weight and can be fitted anywhere you desire on your vehicle, and the most significant, you can enjoy perfectly hot water on it, don’t have to be anxious about running out of the heated water when taking a bath any longer. Here we provide you a few top RV tankless water heater reviews. You can pick anyone that suits you better.

Best RV Tankless Water Heaters Reviews:

1. PrecisionTemp RV-550 Tankless Water Heater:

PrecisionTemp RV-550

The key feature of this water heater is the wide range of applications it provides, not just for the recreational vehicles, but it can also be utilized for the trailers, tiny home, mobile washing services, and cabins, etc.

This device weighs light, just thirty-two pounds, which denotes it can assist in saving much space. It’s said to occupy half the space, and its weight is about 1/3 as much as a ten-gallon tank. When it’s fitted on an RV, the compact shape of it allows the users to install it anywhere they desire.

This machine comes with the freeze protection devices; when it senses the colder temp under zero, it automatically enables the burner to fire up and the electric elements on for protecting the unit. It also offers 55000 BTU power and makes use of less propane than the other ones; thus, it is significantly energy efficient. The gas modulation system is also adopted for regulating the gas for sufficient water temp.

Pros:

  • Space saver
  • Freeze protection equipped
  • Energy efficient
  • Automatic gas modulation
  • Endless supply of hot water

Cons:

  • Long waiting time for the heated water takes about one minute
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2. Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater:

Camplux 5L 1.32 GPM

If you want a cost-effective one, then this tankless unit is the one you should go for. The cost of which is very low. But don’t get fooled by the cheap cost of this device, the performance of this tankless water heater is outstanding. It requires just 2.5 PSI of the water pressure to start. The water temperature range of this device is 46.4 to 114.8 degrees Fahrenheit, and the water flow rate is 1.32 GPM. Thus it’s not appropriate for the large family use or whole house usage but is ideal for small cabins or RV.

It also has the anti frozen system, which can really protect the unit from being frozen in the cold weather or areas, and the copper device is highly heat resistant and corrosion resistant, promising to provide you longer service life. There’re two buttons settings utilized for controlling the water temp; one is for gas while the other one is for the water flow. By adjusting these two, you can get the right water temp but requires a little time. The compact and stylish small shape of this tankless water heart model is also one cause of selecting it as the top RV tankless water heater. You can fit it anywhere you find convenient.

Pros:

  • Anti frozen protection
  • Lowest water pressure
  • Stainless steel burner
  • Ideal for camping shower
  • Switch it on and off fast for controlling the water flow
  • Compact size

Cons:

  • Difficult to get the exact temperature of water you desire
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3. Girard 2GWHAM On-Demand Tankless Water Heater:

Girard-2GWHAM

This tankless water heating machine is capable of supplying stable water temperatures. It comes with the self-modulation system, which can regulate the burner for maintaining the water temp in diverse using conditions automatically. Like the PrecisionTemp one, it also comes with the freeze protection system; thus, you can use it in cold areas or winter. The system can also protect the device automatically when it gets to the freezing temp.

For this model, 42000 BTU power is needed for the best and perfect performance. It requires no special liquid propane gas lines or plumbing. It works at least three AMPs. The brushless quiet motor allows the users to enjoy the fulfilling using experience without any noise. Moreover, from the shape, you can tell how small it is. When it is fitted on a recreational vehicle, it takes up just a small space. Thus it can be an ideal device for the RV tankless hot water heater.

Pros:

  • No special plumbing needed
  • Quiet functioning performance
  • Regulate water temp automatically
  • Freeze protection system
  • The compact and stylish shape

Cons:

  • You have to purchase additional mounting hardware
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4. Excel Tankless Gas Water Heater:

Excel Tankless Gas Water Heater 2020

Like other RV tankless water heaters types, this water heating device is also designed compact and is very lightweight. You can simply take it anywhere with you and fit in the vehicle. Once it switches on, it takes only a few seconds for hot water to flow out of a pipe and is capable of supplying constant hot water.

It also gives you pleasing enjoyment of taking a shower or washing your hands on your way out for traveling.

The two buttons are there on the device; one is for gas while the other button is for the water flow, through the adjustment of these buttons you can easily acquire the exact water temp you desire. The required water pressure is low, it begins with just two PSI of the water pressure, and no pressurizer pump is required. Besides, the best feature of this model is the vent-free appliance, which denotes you can fit it inside the vehicle or house without appending any venting facilities.

Pros:

  • Simple operated
  • Energy efficient
  • Works at the low water pressure
  • Space much space
  • Venting free design

Cons:

  • The fitting instructions aren’t so clear
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5. Marey Gas 10L Tankless Water Heater:

Marey Gas 10L

The majority of the RV tankless water heating systems require electric ignition before working. However, this tankless water heater is capable of operating without the need for any electricity, which means it can really save much cash on electricity costs. It can also handle the low-level water pressure very well. You can easily operate with just eight PSI with the low-pressure start-up system it has. Three buttons are also there on the unit, one is for the gas, and one is for the water flow, and the other is cold and warm settings.

You can simply adjust the water temp by using these buttons. It promises to be 3.1 GPM capacity and thus can supply endless heated water. The auto-cutoff technology is adopted for protecting the machine in case of overpressure or overheating. The compact shape of this tankless water heater allows you to take and fit it anywhere you need and desire.

Pros:

  • Auto-ignition, no electricity required
  • Handles low-level pressure of water well
  • Low-pressure startup
  • 1 gallons per minute of water flow rate
  • Auto cutoff system

Cons:

  • Water temp is difficult to adjust the exact one you desire
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6. EcoSmart 11 Tankless Water Heater:

EcoSmart 11

EcoSmart is one of the best brands of electric tankless water heating machines. The EcoSmart 11 is the least powerful and the most compact model among the products line; thus, it’s an ideal choice for the recreational vehicle or small tiny homes or cabins use. You can also make use of it while traveling because of the lightweight. It comes with self-modulating technology, which denotes that it just works when you need heated water.

With such a system, it can really save much energy every month. But it also has the issue of unstable water temp. It can get really warm and cold from time to time. It has a temperature of 67 degrees F and offers up to two GPM of the heated water. It’s said to save about sixty percent of the electricity costs for you. The digital control console and the automatically resettable thermostat allow helping adjust the water temp easily.

Pros:

  • Portable and compact shape
  • High energy efficient
  • Self-modulating system
  • Simple to install
  • Lifetime warranty
  • Automated resettable thermostat

Cons:

  • The water temp isn’t stable
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7. Eccotemp FVI-12 Liquid Propane Tankless Water Heater:

Eccotemp FVI-12

This model has a comparatively large flow rate among the tankless heater market for recreational vehicles, reaching 3.6 GPM. Thus it’s capable of supplying constantly heated water anytime you need or desire. Besides, it can also be utilized for middle or small-sized house use. It can also adopt a safe electronic ignition system. You can simply plug it into the standard 120v electrical outlet having the UL-listed cord.

The water temperature is easy to set by simply regulating the gas and water flow, but certainly, it’s quite difficult to get the exact water temp you desire. The water temp will be displayed on its screen. This tankless water heater is also created compact and light, ideal for saving the space when you use it in a small cabin or travel outside. The functioning noise is also very low that you can barely hear.

Pros:

  • Simple to read the digital temp display
  • Energy efficient
  • Safe electronic ignition system
  • Compact design
  • Endless supply of hot water
  • Large water flow rate

Cons: 

  • Hard to get the exact temp you desire
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8. Costway Propane Gas Portable Instant Hot Water Heater:

Costway-Propane

This RV tankless water heating machine is capable of supplying constant hot water. It’s the perfect one for camping, fishing, traveling, and different other outdoor activities. You can also enjoy the endless supply of heated water for bathing on your recreational vehicle. It comes with awesome safety protection systems, comprising the anti-dry combustion system and the auto turn off protection. When the water temp really exceeds 167 degrees Fahrenheit, it’ll automatically turn off in case of overheating.

Also, it has an anti-off-balance protection system. The heater automatically turns off the gas supply when the off-balance happens. The device is capable of supplying an average of 0.8 GPM of water; the output power need is about 18000 British Thermal Units per hour. This tankless water heater weighs only 17.5 lbs, and the compact design of it really makes it simple to be fitted anywhere on your RV. You can even fit it under your hand sink for handwashing.

Pros:

  • Anti-dry combustion protection
  • Portable and compact shape
  • Instant heated water anytime you desire
  • Anti-off-balance protection
  • Instant heat within ten secs

Cons:

  • It tries pumping even when you switch the device off, not great for the pump
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RV Tankless Water Heater Features:

Check out the following features of the RV tankless water heaters:

RV-Tankless-Water-Heater-2020

  1. No Waiting Time:

An RV tankless water heater can really heat up the water in a second. The users can make use of the heated water any time they desire.

  1. Space-Saving:

Nearly all the recreational vehicle tankless hot water heaters are created compact and small when you fit these devices in a small home or RV. These units take up very little space. And a few of which can even be fitted directly under water sink.

  1. Energy Efficient:

The majority of the RV tankless water heaters are propane types. These systems make use of fifty percent less propane than the other types of heaters, thus are even more energy-efficient and can save a large amount of cash on the heating costs every month.

RV Tankless Water Heaters Vs. The Tank Water Heaters:

RV-Tankless Water Heater

  1. Waiting Time:

The tankless water heating device requires no waiting time for heating. You can make use of it anytime you desire and don’t have to be anxious about running out of the hot water. Conversely, on making use of a tank water heating system, you have to pump out all cold water in a pipe, which is pricey in energy and will waste a huge amount of water.

  1. Safety:

Safety of both water heating systems are quite similar; they both come with the protection systems, like overpressure and overheating devices to cut off the device automatically. A few are also created with freeze protection to make use of in cold weather or cold regions.

  1. Appearance:

The tankless water heating devices are created compact and simple, multiple styles and colors can be selected. It can even become one of the decorations in the kitchen or in your bathroom. And the compact shape of it can save much room for you.

The majority of the tank water heating units are created into black or white, power supply and pipes are exposed outside. And the large tank can take up large space. You can only fit it on the bathroom wall.

The Best RV Tankless Water Heaters:

 The Best Point of use Model

PrecisionTemp RV-550 Tankless Water Heater

PrecisionTemp RV-550

The top-selling one

Camplux 5L 1.32 GPM Tankless Water Heater

Camplux 5L 1.32 GPM

 The best one for the outdoor shower

Excel Tankless Gas Water Heater

Excel Tankless Gas Water Heater 2020

How To Search For The Best RV Tankless Water Heater?

Select the top RV tankless water heating unit that is capable of saving much cash for you for a long term of use. It can really assist you in saving heating costs and energy to a great extent. But there’re some aspects you have to contemplate before selecting an RV tankless water heater:

RV-Tankless-Water-Heater-2020

  1. Water Consumption:

Before selecting, you ought to estimate the amount of water you require on your recreational vehicle, and then choose a proper one according to the average amount of water. Besides, the water flow rate of every tankless water heating machine also varies a lot; the water flow rate refers to the amount of water a device can release every minute.

  1. Size:

Each of the RVs is diverse in size; thus, you have to acquaint how large tankless water heating units fit the recreational vehicles mostly and whether you want to fit it on the bathroom wall or underwater sink.

  1. Power Source:

There’re altogether three power sources on the tankless water heating systems, propane battery-powered, and electric tankless water heaters for the RV usage. Compared with the electric one, the propane and battery-powered types are more portable, while the electric tankless water heating units require to be connected when utilizing.

  1. Cost:

The average RV tankless water heating machine cost is around five hundred dollars, but there’re also cheaper and pricier models. Before purchasing one, you have to select according to the budget you have. Apart from the purchasing cost, there’re also fitting charges and using charges you have to contemplate.

  1. Maintenance:

The maintenance charges are quite high, thus selecting a heating device that requires light maintenance is pretty significant and can assist you in saving a large amount of cash for you.

  1. Smart Protection:

The majority of RV tankless hot water heating machines come with the smart protection systems, like freeze protection devices and overheating devices. Such smart features are capable of protecting the device automatically when in dangerous conditions and thus can also prolong the service life of the devices.

RV Tankless Water Heaters Types:

There’re two major types of RV tankless water heating units available in the market of 2019; one is the electric one while the other one is the propane one. Both of these functions perfectly in outdoor using or traveling. The electric tankless water heating units require less fitting time, and it can really function pretty quietly in the complete using process. While the propane tankless water heaters are less expensive in the complete using charges.

Attention:

  • Switch off the power each time you stop utilizing the device.
  • Turn off the valve right away
  • Don’t make use of a chemical for cleaning the heating unit, or it’s simply corroded, and the service life will be reduced.
  • Flush and always drain under the instruction of the manufacturer
  • Switch the device on slowly so that the air can go through its pipe

Frequently Asked Questions Section:

  1. How To Fit The RV Tankless Water Heaters?

Before fitting, you ought to pay great attention to the connecting water, gas, and electricity lines, etc. If you don’t have much acquaintance on that, then you can simply hire a professional to assist you in installing it for you.

  1. Can I Fit It Under The RV Sink?

Yes, you can do this if the device is small enough. When you fit it under a sink, it requires no special tools or wiring in fitting and can assist in saving much space. Also, the distance between the heater and tap is closed, so less water is wasted, and the bills can be reduced to a great extent.

  1. How To Switch It On?

There’re numerous steps on turning the device on; you first have to check its valve, open it up, and let the water to flow to the main tank. Then you can attach your RV to its water outlet.

Summary:

The RV tankless water heating units are capable of supplying constant hot water for you when you go out for camping or for traveling. Aside from the tankless water heaters suggested above, there’re still a lot of other types available on Amazon that can be selected; please check out price details or more information on Amazon.