Best Portable Water Heaters Reviewed in Detail

6 Most Reliable Portable Water Heaters — Enjoy a Hot Shower Wherever You Are!

21 Models Considered
66 Hours of Research
8 Experts Interviewed
141 Reviews Analyzed

If you’re an avid outdoorsman, there’re lots of luxuries you’ll need to learn how to occasionally live without. Some of them include air conditioning, a plush bed, and a TV. While a water heater was among the luxuries outdoorsmen used to live without in the past, the story has changed with the invention of portable water heaters. With the best portable water heater, life in the outdoors has just become more comfortable.

With that said, this article aims to introduce to you the best portable water heaters around. Of course, we realize that lots of people may struggle to pick the right model, hence, the need for this guide. To facilitate our selection, we considered some essential features. The first of them is weight, which is important as you don’t want to add a bulky unit to your already heavy luggage. We also considered the temperature range, which determines how hot the water will be. Some other factors we considered are type, dimensions, and water pressure.

Top 6 Portable Water Heaters Review 2019

Typically, we spent tons of hours consulting numerous sources for the creation of this guide. Apart from ensuring that the article is maximally detailed, we’ve also done everything to make it easy for readers to read. Below this paragraph, you’ll find a comparison table, which gives you an idea of what each model is capable of. Then, you will find our detailed reviews of all the selected products, before finally landing in our buying guide.

Editor’s Choice

A propane portable water heater that boasts of 46.4-114.8°F temperature range, electronic ignition, and inbuilt stainless folding handle for portability

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9.8
Best Portable Propane Water Heater

This mini appliance is electric and is ideal for indoor installation to provide you with hot water on demand

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9.6
The Portable Tankless Water Heater with the Highest GPM

This heavy-duty outdoor heater comes with an 8-foot shower hose and allows for a selection between the 1.1 and 2.6 GPM of pressure

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9.3
Budget Pick

A compact unit that connects to any standard garden hose and is able to heat water up to 140°F

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9.0
Most Energy-Efficient Model

This portable water heater boasts of high water temperature protection over 167°F and is even able to decrease your gas consumption thanks to its energy saving technology

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8.8
The Safest to Use

This propane unit comes with everything you might need including a shower head with a water pipe, water hose, power cord, and a carrying bag

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8.6
1.

CAMPLUX ENJOY OUTDOOR LIFE BD158Editor’s Choice

Features
  • Type: propane
  • GPM: 1.58
  • Temperature range: 46.4-114.8°F
  • Dimensions: 17.3 x 11.6 x 4.3 inches
  • Weight: 15.4 lbs.

More features: inbuilt stainless folding handle; electronic ignition

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Apart from being reputable for its production of tankless water heaters, Camplux is a manufacturer that is also renowned for its portable stoves, grills, and electric water heaters. One of their most recent inventions, the BD158, is a typical example of the company’s incredible dedication to perfection. With its ability to produce up to 1.58 gallons of hot water every minute, along with the included shower head that allows you to take a shower whenever you’re in the outdoors, this product is the ideal camping water heater.

Furthermore, the water heater burns as much as 41,000 BTU per hour, and has a maximum temperature rise of 114.8 degrees Fahrenheit and a minimum temperature of 46.4 degrees Fahrenheit. It also comes with some unique features which include flame failure device, combustion protection, oxygen depletion sensors, and anti-freezing protection. And it is effortless to store and transport, thanks to a big handle built into the top of the unit. Its lightweight nature also aids the fact that it is easy to store and transport. The unit weighs a minuscule 15.4 pounds.

Despite sporting a simple design, it’s also aesthetically pleasing. It comes with many performance-improving accessories, including a three-setting shower head, a shower hose, two garden hoses, a water tape, a gas inlet connector, and a CSA-approved gas hose and regulator. The included gas regulator allows you to connect it to any propane gas, regardless of its size. When it comes to cons, we didn’t really find any apart from reports from some users that it’s not suitable for long work.

Pros
  • Powerful performance
  • Delivers 1.58 gallons per minute
  • The maximum temperature raise is 114.8
  • Aesthetically pleasing
  • Has a lightweight construction
  • Easy to store and transport
Cons
  • Not built for long uninterrupted work
2.

Bosch Electric Mini-Tank Water HeaterBest Portable Propane Water Heater

Features
  • Type: electric
  • Tank capacity: 4 gal.
  • Temperature range: 65-145 °F
  • Water pressure: 150 PSI
  • Dimensions: 13.75 x 13.75 x 13.5 inches
  • Weight: 17.4 lbs.

More features: can be shelf, wall, or floor mounted

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Bosch is a company that has garnered some reputation in the water heater industry, and the Bosch ES4 Tronic 3000 Electric Water heater shows exactly why. With this product, you are guaranteed to have access to heated water whenever you want it. This space-saving mini tank from Bosch is compact and lightweight and designed to work either autonomously or in conjunction with the water heating system of your house. Indeed, this excellent unit is a true portable water heater, particularly suitable for campers and hikers.

With a recovery rate of 6.8 GPH at 90 degrees Fahrenheit, this unit promises to reduce the amount of time for which you have to wait for hot water to start running. In a way to guarantee optimum energy efficiency, the manufacturer has provided the system with thick foam insulation. Not only that, but the tank is also made with premium glass-lined material for maximum durability. In fact, every other component of the system is backed by a two-year limited warranty, which indicates how confident the manufacturer is in the product.

Sporting an attractive and sleek design, this unit can easily blend in with pretty much any kind of home and RV décor. And since it has a compact design that makes it ideal for small spaces, it can easily come to the aid of people with small kitchens. On top of that, it comes at a very affordable price, making it exceptionally appealing. While it’s been reported by many customers that the unit leaks a bit, that’s pretty much the only drawback you may find on this unit.

Pros
  • Small and compact
  • Doesn’t need propane cylinders to operate
  • Glass lined tank for optimum durability
  • Versatile design
  • Fast recovery rate eliminates long waits for hot water
  • Very affordable
Cons
  • Electric, so better used indoors
  • Many users reported that the unit leaks a bit sometimes
3.

Camp Chef Triton 10L Portable Water HeaterThe Portable Tankless Water Heater with the Highest GPM

Features
  • Type: propane
  • GPM: 1.1(min)–2.6 (max)
  • Temperature range: up to 80°F
  • Dimensions: 13.5 x 8.5 x 31 inches
  • Weight: 25 lbs.

More features: includes an 8-foot shower hose

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As suggested by the name of the company, the Camp Chef Triton 10L Portable Water Heater is the perfect addition to your camping gear. This unit is engineered to automatically provide you with hot water whenever it’s turned on. It allows you to easily adjust the water temperature and flow however, you like. Equipped with three different shower settings, this product feels exactly like your regular home shower. You only have to set the appropriate mode. While it only has a capacity of ten liters, the unit exerts an incredible 2.6 GPM.

Furthermore, the unit has a capacity of 2.6 gallons per minute, which allows it to be versatile enough to be suitable for a couple of outdoor activities. With the aid of a water hose, this unit can even be used to fill an outdoor pool, and it comes with its own eight-foot hose along with a garden hose connector. Using it is incredibly seamless – you only need to turn it on, and the heating automatically starts. Besides, the ignition process requires no pilot light – just 2 D batteries.

Although the product is designed to be a portable unit, it comes along with mounting notches, giving you the option to install it practically wherever you need to. Admittedly, it’s not really a powerful heater and doesn’t have an automatic shut off, but it compensates massively in price and portability. It has a portable and ergonomic design, which makes it ideal for a camping house or a recreational vehicle.

Pros
  • Easy to operate
  • Instant flow of hot water
  • Comes with an eight-foot hose
  • Adjustable water temperature and flow
  • Versatile for different outdoor activities
Cons
  • No automatic shut-off
  • The maximum temperature is just 80°F
Features
  • Type: propane
  • GPM: 1.5
  • Temperature range: 50-140°F
  • Dimensions: 15.9 x 11.4 x 4.8 inches
  • Weight: 14 lbs.

More features: includes 2 “D” cell batteries for electronic ignition; connects to any standard garden hose

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If you are on a budget and you’re looking for something that can provide you with maximum value for money, then look no further than the Eccotemp L5 Tankless Water Heater. Apart from being incredibly easy to use, this budget-friendly product from Eccotemp has a great, portable design. Impressively, you can adjust the water temperature and the water flow with the aid of the on and off switch and the manual knobs built into the unit.

Furthermore, it doesn’t need electricity for ignition as it utilizes a stainless steel igniter. Moreover, the water heater works with excellent pressure, which ranges from 20 to 80 PSI. It’s powered by liquid propane and works with a stainless steel hose, which allows you to use it for a wide range of outdoor functions such as washing your boat, car, dogs, horse, taking shower, and a lot more.

For the achievement of superior cleaning results, you can also connect the water heater to a pressure washer. And since the water heater runs on batteries, it is elementary to use it in places where there is no electricity. While it doesn’t have an automatic shut-off, it is still safe to use.

Pros
  • Easy to operate
  • Appealing design
  • On and off switch
  • Excellent water pressure
  • Small compact size
  • Adjustable water temperature
Cons
  • Reportedly the water flows with slightly varying temperature
5.

Gasland BE158Most Energy-Efficient Model

Features
  • Type: propane
  • GPM: 1.58
  • Temperature range: not specified
  • Dimensions: 17.3 x 11.8 x 6.1 inches
  • Weight: 15.5 lbs.

More features: high water temperature protection over 167 °F; low water pressure startup (2.5 PSI)

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The Gasland BE158 Water Heater is another solid choice if you are after a compact unit to take along on your camping trips. Since it’s a portable model, it can be used for a variety of purposes, including RV-ing, camping, and other on-the-go needs. And since it’s made in two colors – silver and white – users have two color options to choose from, which is excellent. Like our top pick, it is also capable of 1.58 GPM of hot water per minute, which is impressive for a unit of this size.

Moving on, the Gasland BE158 is capable of delivering hot water on demand with up to 41,000 BTUs. Weighing 15.5 pounds, this model is incredibly lightweight in nature, which makes it easy to install. And like some other models we have reviewed, it also doesn’t run on electricity – it’s instead powered by two D cell batteries. However, it has to be connected to a propane tank, since it doesn’t run on electricity. While the one-year limited warranty it comes with is considered short in some quarters, we think it still delivers a lot for the money.

The main burner and propane water heater exchanger are also engineered with state-of-the-art combustion technology, which helps reduce burning noise and gas consumption. Some users claim that the installation instructions aren’t detailed enough, so we’d take that as the second of the two little downsides we found.

Pros
  • Energy-saving unit
  • Equipped with an advanced combustion technology
  • Doesn’t require electricity
  • Available in two colors
  • Portable construction
Cons
  • Short warranty period
  • The installation instructions are unclear
6.

COSTWAY Gas Water HeaterThe Safest to Use

Features
  • Type: propane
  • GPM: 1.58
  • Temperature range: not specified
  • Dimensions: 12.6 x 11.4 x 10 inches
  • Weight: 17.3 lbs.

More features: comes with a shower head with water pipe, water hose, power cord, carrying bag

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While Costway can’t really be regarded as one of the leading brands in the industry, it seems they are ready to share a table with the big boys, judging from the excellence of a product like the COSTWAY Gas Water Heater. It’s designed to deliver on-demand hot water for cooking, dishwashing, and even showers. While it’s a bit heavier than others at 17 pounds, it still generates a decent 18,000 BTUs. It also has a great minimalist design, which means it looks great.

What’s more, the product comes with an inbuilt durable handle and has a carrying bag, which indicates that the manufacturers certainly made this with portability in mind. Averagely, the shower head will deliver 0.8 gallons of hot water every minute, which may not be enough for people who will use the water heater heavily. However, you can easily set up everything with no expertise whatsoever, thanks to the quick connect system.

Safety-wise, the product is built with many safety features. The first of them is overheat protection, which is designed to shut the unit off as soon as the temperature rises above 167 degrees. That apart, there is also a built-in anti-dry combustion technology, and even the off-balance switch and wind protection. The combination of all these features means every trip will be safe.

Pros
  • Excellent safety features
  • Beautiful design
  • Easy to install
  • Portable design
  • Suitable for a variety of purposes
Cons
  • Low output per minute
  • A bit heavy

Buying Guide

The fact that you’re experienced buying regular water heaters doesn’t mean you know how to choose portable models as well. With that in mind, we have designed this buying guide to help equip you with all the knowledge you need when choosing the best portable water heater for your needs.

Benefits of having a portable water heater

What are the benefits of a portable water heater? You may be wondering. Well, we have decided to answer your questions in the following paragraphs:

Portability

6 Most Reliable Portable Water Heaters — Enjoy a Hot Shower Wherever You Are!While this is an obvious benefit, the compact size of portable water heaters means you can easily take them along with you on your trips. Whether you only want to use them in your recreational vehicle or to install them in your mountain cabin, portable heaters will fit anywhere without any stress.

Space-saving

The number one benefit of portable water heaters is that their small size makes them space-saving. This is particularly handy when you have limited space or when you want to use them in your RV. Moreover, they are usually tankless, meaning they heat water immediately it passes. This allows them to be space-saving.

Energy saving

When you are in the campsite, you will most probably not have the luxury of electricity supply. These heaters can operate while requiring minimal energy, making it easy to enjoy hot water without too much hassle.

Safety

Safety is the first priority as regards water heaters, which is why it is important to note that it’s probably the first thing you must consider before paying. Of course, due to their compact nature and the way they are meticulously constructed to perform in small spaces, portable water heaters are always a symbol of safety.

Features to consider while choosing a portable water heater

6 Most Reliable Portable Water Heaters — Enjoy a Hot Shower Wherever You Are!There are quite a couple of factors that are important to think about when shopping for the ideal portable water heater. Apart from the portable water heater prices, you also need to consider many features to make sure that you find the right portable models. Below are the primary considerations:

If it’s electric or runs on propane

When trying to choose between the different types of water heaters, consider where and how often you are going to use your appliance. If you’re looking for a portable model to be used outdoors mainly, a propane water heater is an ideal solution. It requires a propane cylinder to operate as well as a couple of batteries for ignition. Such heaters are easy to use anywhere making them truly portable; plus, propane heats the water very fast. You must keep an eye on your propane supplies, however, in order not to run out of fuel just when you least need it.

Electric models, on the other hand, don’t need anything except a power socket. However, they are usually not advised to be used outdoors to avoid short circuit. They are a nice solution for an RV or your home bathroom, though.

Gallons per minute

6 Most Reliable Portable Water Heaters — Enjoy a Hot Shower Wherever You Are!Also referred to as the GPM, the gallons per minute refers to the amount of water a unit is capable of heating. It’s vital you know this to make sure that you don’t end up losing hot water when you put too much demand on your machine. You can find details about the GPM required by different activities online and GPM of different portable water heaters. Calculate this and find out the amount of GPM you require your ideal water heater to produce. At  2.6 GPM, the Camp Chef Triton 10L Portable Water Heater has the highest GPM on our list, followed by the CAMPLUX ENJOY OUTDOOR LIFE BD158, the Gasland BE158, and the COSTWAY Gas Water Heater which have 1.58 GPM each.

Operating pressure

Depending on what you want to be using the water heater for, you also need to consider the operating pressure before buying your new appliance.

The operating pressure determines how fast the unit is able to produce hot water, so it’s really an essential consideration, especially for people who are always on the move as they don’t have much time to waste.

Temperature range

The water heater’s performance depends significantly on its temperature range. Obviously, you need a model with a higher range since you don’t know where the outdoors may take you. It could a camp between snow-covered mountains or a beach. Therefore, you need a water heater that can be used easily in either situation, so we encourage you to find a model with a higher temperature range like the Eccotemp L5 Portable Tankless Water Heater Shower.

Dimensions

Since portable water heaters are actually aimed at people with limited space, then it’s logical to consider the dimensions before buying. While most portable models should be portable enough to either fit your space or your backpack, you still need to check this specification before you make your final decision.

Weight

This factor is a bit related to the one right above. Portable water heaters are primarily designed for campers and people who are always on the go, so it’s important to consider its weight before shelling your money on it. Is it lightweight enough to be carried conveniently on your camping trips? If you’re an outdoorsman, we recommend you to go for lightweight units like the Eccotemp L5 Portable Tankless Water Heater Shower and the Gasland BE158 water heater.

Warranty

The warranty is another crucial consideration for peace-of-mind-seeking buyers. If the company is offering a long warranty, it means that they’re confident in their invention.

If any problem arises, you can easily contact the manufacturer and your unit will either be replaced or repaired. In order to be eligible, make sure you have met the criteria and satisfied the specified terms and conditions.

More features

To ensure you get the highest value for your money, you may also consider some extra features. For more versatility, you may look at a model with an included shower hose. You may also want a unit that has a handle if you know you will likely be carrying your unit often around.

Tips for maintaining your portable water heater

6 Most Reliable Portable Water Heaters — Enjoy a Hot Shower Wherever You Are!While portable water heaters are usually durable units, they can be very fragile if not maintained well. If you want to enjoy yours for many years, then adhere to the maintenance tips we’ve detailed below.

Reduce the temperature setting

The default setting of a lot of water heaters is above 130 degrees Fahrenheit. Most experts often recommend users to keep it lower at around 115 to 120 degrees. With this lower setting, the chances of your unit getting overheated will reduce, and you will also save around five percent on your electricity bill.

Examine the temperature and pressure relief valve

The temperature and pressure relief valve is a safety valve that is usually built into water heaters. If your water heater continues heating water after reaching the set temperature, the built-up pressure could cause an explosion. To prevent this, this valve gets rid of excess heat and pressure to keep your appliance operating safely. The valve can be inspected in three simple steps

  • Lift up the partway of the temperature and pressure valve and enable it to snap into place back.
  • This could result in a bubbling sound as the T&P valve drains some water.
  • If the valve did nothing, then you may need to get a replacement valve.

Flush the tank

You also have to flush the tank of your water heater every year to prevent mineral sediment deposits from building up as they could destroy the steel. To flush the tank, simply turn off the supply of the water, power, or gas to the tank. Then open the pressure release valve and a hot water tap, before using a bucket and a hose to drain the water from the heater’s tank until there is no sediment again.

You will have to empty your tank entirely if there is a lot of sediment in it. Afterward, turn the supply of the cold water to the tank on and allow the water to turn through it until it’s clear. Continue flushing the tank until no sediment is left.

Wrap your unit in an insulating blanket

Wrapping your water heater in an insulating blanket, and also insulating the exposed pipes, is a way to lower energy usage by reducing the amount of heat loss. Also, this can extend the life of your appliance by reducing the demand for it.

FAQ

The majority of electric portable water heaters can be installed outdoors as well. However, you have to ensure that you add some protection for the ones you install outdoor, or the harsh weather may cut its life short.

Tankless models have many advantages, with the most noteworthy of them being energy-efficiency. Since they work only when they are needed, they will cut your energy cost by 35 percent annually. Besides, they also have a longer life expectancy, and they are safer to use than tank-type models.

This is a difficult question to answer as it generally depends on many factors, which include the number and types of appliances you connect to the water heater and how you use them. In order to determine the amount of gas used by a propane water heater, then you need to consider all these factors and make your calculations.

Our Verdict

We’ve reached the end of this guide and its verdict time. To be honest, it’s challenging separating the top models on this list, as any of the top three models would have been a worthy Editor’s Choice. However, our top pick goes to the CAMPLUX ENJOY OUTDOOR LIFE BD158, primarily due to its suitability for many purposes.

Taking the second place right after our best portable water heater is the Bosch Electric Mini-Tank Water Heater, thanks to its fast recovery rate, beautiful aesthetics, durable construction, and high-energy efficiency. Despite all that, it comes at a reasonable price, making it one of the most popular portable water heaters around.

Our third pick is the super powerful Camp Chef Triton 10L Portable Water Heater. With its ability to produce a power output of 60,000 BTUs per hour and pump 2.6 gallons per minute, it’s safe to declare this product as a deserved pick.

9.8/10 Total Score
CAMPLUX ENJOY OUTDOOR LIFE BD158 - Editor's Choice
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