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10 Best Portable Water Heater Reviews 2021 – Guide & Comparison

The invention of the best portable water heater or portable water warmer has revolutionized camping and other outdoor activities. I remember when I was a kid I used to dread our annual family camping trip. That early morning cold shower used to send chills down my spine. I wish we had the modern portable water heaters we have today.

With these heaters, you get instant hot water supply. No more leaving the tap running and wasting water as you wait for it to heat up. Remember when the first person in the shower would use up all the hot water? Well, these modern portable heaters deliver from 1.5 gallons to over 5 gallons of hot water continuously. If you have a big family you can now all have your morning outdoor showers in peace.

Aside from just showers, these outdoor water heaters come with the option of attaching a hoe. This will enable you to get to perform a large number of tasks like doing laundry, washing your pets or even filling an outdoor pool. Let's get into the details of top portable water heaters 2021.

10 Best Portable Water Heater in 2021 - Reviews

 1.  VIVOHOME Outdoor Portable 1.6GMP 6L Propane Gas Tankless Water Heater

If you are looking for a water heater that’s safe and efficient for your outdoor showering, the VIVOHOME 1.6GMP 6L water heater is your answer. This product delivers what the manufacturers promise; efficiency and optimal energy saving. VIVOHOME water heater is CSA-approved, meaning it is made of the highest quality materials.

It heats water to a maximum of 65°C/149℉, which suits most home applications like showering or washing dogs, cats, and cars, without scalding the user. You’ll love this product, particularly because of its simple and ergonomic design.

Another outstanding feature of this product is that it offers two season modes (winter and summer), so you can switch it to the mode you like according to the season. This ensures you can enjoy taking showers throughout the year.

If you are an outdoor person, you’ll love this portable water heater more because it is battery-powered. This means you can use it even when you are far away from the power source. You won’t even need a generator.

If you plan to camp away from home, it will be your best companion. It is lightweight, so you can easily carry it wherever you go.

Installing a VIVOHOME 1.6GMP 6L water heater is quite easy and doesn’t require any expertise. The good news is that it comes with a detailed and well-illustrated manual that can help you install it. You can as well hire an expert to help you install it if you are too busy or feel uncomfortable installing it.


  • Easy to install
  • Ergonomic design
  • Safe, reliable, and consistent
  • Energy and power-efficient
  • Portable water heater for hose


  • Not Energy Star certified

 2.  Eccotemp L10 Portable Water Heater

This outdoor heater comes with a stainless steel raincap, a hose and regulator. Safety is assured with this heater because it is designed with an automatic shut off system that has a timer for 20 minutes.

When you are camping this outdoor water heater will offer the perfect hot shower. You can also wash your pets, car and other items.

It uses a 2D battery to ignite the heater and a liquid propane tank as its source of power. It delivers hot water at a rate of 2.6 gallons per minute.For safety reasons, it requires the tank to be kept at least 1 inch away from flammable items on both sides.

Therefore this heater is recommended for outdoor use only. Operating with a water pressure of about 25 to 80 PSI. It has two knobs that can control water temperature and water pressure. Moreover,it is also portable water heater or hot water heater portable for camping no doubt about it. Finally this camping hot water system reviews or portable heater reviews help to pick the perfect one as soon as possible no doubt.


  • High water pressure
  • Easy use and set up
  • Can be used up to 5,500 feet
  • Automatic 20 min safety shut off timer
  • Comes with a wall mount that is easy to hang
  • The reliable water flow of up to2.6 gallons per minute


  • Have to purchase shower head and hose separately

 3.  Camplux 2.64 GPM Tankless Propane Water Heater

Outdoor life offers people unmeasurable happiness and enthusiasm. That’s what CAMPLUX figured out when they were designing the Camplux 2.64 GPM Tankless Propane Water Heater. This product is the best water heater for an outdoor shower. It will provide you with an efficient and easy outdoor showering experience.

Portability is one thing CAMPLUX has emphasized in its design. This product is lightweight and small, making it fit in small spaces. The fact that you can mount it on a wall means it saves more space. The advanced technology used in its design will help you save up to half of your water heating costs.

This unit guarantees to provide you with 2.64 gallons of hot water every minute. Its digital display will help you monitor the temperature of the water. Camplux water heater is very popular because of its anti-freeze protection feature, which improves its safety.

The product is fitted with a flame failure feature, and it uses an innovative combustion technology that makes it safe to use. This product is perfect for use at home, campsites, and cabins. You can use it to get hot water for cleaning your car and washing your pets. You can also use it as a personal water heater.

Camplux Propane Water Heater uses 2 D cell batteries for ignition. This means you can use it in off-grid areas even if you don’t have a generator. Its ideal operating range is 2.8~110.0 PSI.

Camplux Propane Water Heater relies on advanced combustion technology to deliver hot water consistently. It has several innovative protection systems to ensure the user is safe. You’ll like it because it's easy to install; you don’t need to be tech-savvy to install it.


  • Its lightweight, durable, and has an attractive design
  • Can be used where there’s no electricity or generator
  • Easy to install
  • Safe to use
  • Reliable in terms of hot water supply


  • You can’t use it to heat drinking water

 4.  GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater

GASLAND portable gas water heater is among the most innovative gas water heaters in the market today. Its lightweight and compact design make it easy to carry. And to ensure you and your loved ones are safe, this product is fitted with overheating and antifreeze protection.

GASLAND water heater only needs a water pressure of 2.5 PSI because of its maximum power output of 41,000 BTU per hour, and low-pressure setup. This product is perfect for RV life, water heater camping, or anywhere else you may need hot water far away from home.

The designer of GASLAND Portable Gas Water Heater had your safety and that of your loved ones in mind. That’s why they are fitted with a pressure detector that helps it automatically reduce pressure and a drain plug that helps it discharge residual water to prevent freezing when used in cold areas.

It also features a shut-off system that will shut it down automatically when there’s an unexpected flameout.

With this product, you can enjoy your hot shower anywhere, any time. And you won’t need to preheat the water. Once you turn its tap on, water will be discharged at your desired temperature at 1.58 GPM. You can adjust the water flow and the heat as you wish.

This small portable water heater will help you save about 12% of your water heating costs, thanks to its smart energy-saving technology. The main burner and the heat exchanger are designed using modern combustion technology that decreases gas consumption.


  • Lightweight, compact design
  • Reliable hot water supply
  • Easy to install and use
  • The water heater is safe to use
  • Doesn't waste gas


  • Not suitable for use in high altitude areas

 5.  ZODI Outback Gear Extreme SC Hot Shower

This is a unique water heater with cylindrical design and wide array of features. The outer stainless steel cover ensures durability and protection from rust. It comes with added accessories such as a bag to store the heater and a stove. Therefore you get more value for your money.

It has an environmentally friendly design that uses a pump at the top of the tank instead of batteries to pressurize the water.

The outback also uses a BTU Burner to heat the water. Water is heated up to 100 degrees Fahrenheit in 5 to 10 minutes.

On its surface is a temperature strip that acts as a thermometer and displays the current water temperature. The water heater has a shower holder and also comes with a stove. It also has a large water storage capacity of about 3 gallons.

This stove is used to heat the water in the tank and can also be used for cooking. Hence, you get double the benefit of using this heater.

This best portable hot water shower / heater also comes with a long hose and a shower head that’s perfectly designed to purposely save on water. This is obviously one of the best water heaters. So this zodi extreme shower review can help to choose the perfect one indeed.


  • Easy to operate
  • Fast heating of water
  • Water saving shower head
  • Presence of a water temperature gauge
  • Unique design rust-free stainless steel outer covering
  • Comes with a stove to heat the water and the stove can also be used for cooking


  • You need to be extra careful when placing the tank on top of the burner or when taking it off

 6.  ZODI Outback Gear Hot Tap Travel Shower

This is a self-contain portable water heater that is easy to set up anywhere at any time. You can enjoy instant hot showers with just a push of a button.

The ZODI outback shower uses a battery pump to pump the water, unlike other hot water outdoor showers. It has a push button ignition to activate the machine.

This pump produces 6 volts for great water pressure. A plastic tank acts as the water storage and can carry up to 4 gallons of water which can be heated up to 100 degrees Fahrenheit.With this heater, you do not need to wait for long because it produces instant hot water.

Once water is exhausted from the tank it can be filled in seconds if the pump is connected to a water source. A propane tank connects to a heat source and powers the machine.

This zodi heater or portable heated shower uses a 4D battery to pressurize the water. Once the pump is submerged in the water; a push button is pressed to turn it on.

It has an 8-foot hose which has a shower head that is designed to save on water. Water becomes hot within minutes and you are all set for your hot shower in the wild. That is this one you can use this zodi outback gear hot tap travel water heater as like as portable water heater for shower or portable hot shower no doubt about it. 


  • Long enough hose for flexibility
  • High water pressure from its pump
  • A Battery case that is also waterproof
  • Designed with a water saving shower head
  • High water temperature of about 100 degrees Fahrenheit
  • Can heat large amounts of water continuously up to 60 gallons


  • Requires proper setup and following the set steps before turning on the heater

 7.  EZ 101 Tankless Water Heater                                            

For this portable water heater, its energy source is a propane tank. It operates with a tankless water heating system this means that heat water directly. That is why this is best portable tankless water heater also.

An advantage of this is that water is only heated on a need basis. Energy is saved unlike heaters with storage tanks where the unused hot water results in wastage of energy.

It has three knobs that control the flame level, flow of water and weather selection. You can select the current weather conditions whether its summer, winter or in between.

This function enables the heater to operate with efficiency depending on the outside weather conditions. During cold seasons such as winter, the heater operates with three burners to heat the water. Warmer seasons such as summer enables only one burner to be lit therefore saving on energy.

You can agree that there is nothing as irritating as a water flow that you cannot control. Sometimes we need minimal flow and other times we need a high flow with this tankless portable water heater.

This portable propane tankless water heater or ez 101 tankless water heater lets you chose the rate of flow of water. Apart from showers, you can also connect your water hose for other hot water use.


  • Compact and easy to carry
  • Its operation is fully automatic
  • Easy installation and operation
  • Enables water hose connectivity for other uses
  • Enables adjustment of water flow from high to low
  • Tankless hence saves energy only heating water only when required


  • Requires proper setup before use

 8.  Coleman H20asis Portable Water Heater

The Coleman Water Heater is compact, portable and it is powered by a propane tank. Its pump is operated using a lithium-ion battery. The pump is connected to a water carrier of 5 gallons which when turned on can produce hot water within the first 30 seconds.

Another great thing about this product is that it can heat water up to a maximum of 125 degrees Fahrenheit. The heater distributes hot water within 30 seconds so you do not have to wait for long.

This coleman hot water heater has a unique flow technology that gives a consistent performance all the time. Even in extreme conditions, you will always get the best performance.

Since it heats water on demand, energy is saved. An LED displays show you the temperature of the water and other features. Once you are done with your shower, you can adjust the shower head and use it to perform other cleaning functions.

This coleman hot water on demand h2oasis portable water heater also has a 6-foot hose which is long and convenient for a wide variety of uses. Who would not want such a water heater?

To add on to all these great features, this coleman portable heater or coleman water heaters or coleman hot water heaters also instant hot water heater can be dismantled to fit in a wire mesh bag that helps you carry it when outdoors. So this coleman portable water heater or coleman hot water on demand review help to find out the best one perfectly.


  • A long hose of 6 foot
  • The shower head is adjustable
  • Easy to carry, can be dismantled to fit in a bag
  • Presence of a rechargeable Lithium Ion Battery
  • On-demand hot water technology helps save energy
  • Presence of LED Display to show a status of the heater


  • Requires careful assembly and dismantling of the heater

 9.  Mr Heater BOSS –XCW20 Basecamp

With the Mr Heater portable heater, you get instant hot water on switching it one. Powered by propane gas, this heater can heat water is a great camping asset.

This battery operated water heater comes with a complete kit which includes carry bag, ac and dc adopters, pump assembly and quick connect shower head.

This battery powered portable heaters can heat water to temperatures above the source water of about 45 degrees Fahrenheit. Additionally, it uses a rechargeable battery to pump water. This battery can run for about 40 minutes before requiring a recharge. Water flows at a rate of 1.18 gallons per minute.

For a longer performance, the boss water heater has a filter system that prevents debris from getting inside the pump.Furthermore, the mr. heater boss-xcw20 has been incorporated into a safety feature that enables detection of overly hot water. The hot water is then cut off to prevent you from getting burned.

Another great feature is the mr heater portable shower digital display. This display allows you to monitor, battery levels and water temperatures. You can be assured that the hot water will not run out in the middle of shower. Last of all this is mr. heater portable water heater or best portable hot water system also.Moreover, it is battery-powered portable water heater or battery powered water heater has easy use facility. 


  • Long battery life
  • Small compact size
  • Instantly produces hot water
  • Hot water cut off safety system
  • Uses a rechargeable battery hence is eco-friendly
  • Digital display for monitoring of temperature levels and battery


  • The hot water cuts too frequently

 10.  Eccotemp L5 Tankless Water Heater with Pump

Are you looking for a portable hot water heater with pump for camping, house use or cabin? The Eccotemp L5 Tankless Water Heater is a great choice that provides instant hot water.

This is a simple to use, great design portable water heater. It has an on and off switch and manual knobs to adjust the temperature of the water.

It uses a stainless steel ignitor hence does not require electricity. The heater operates with great pressure ranging from 20 PSI to 80 PSI. It also operates with a stainless steel hose and is powered by liquid petroleum.

You can use it for a wide variety of outdoor functions like washing your car, boat, taking shower, washing dogs and much more.

You can also choose to add the portable water heater to a pressure washer to achieve better cleaning results. This heater uses batteries so it is convenient to use in areas without electricity.

This water heater is perfect for areas where electrical power is not readily available because of its 2 “D” ignition cell batteries. No doubt this best portable tankless water heater is perfect for you.


  • Easy to operate
  • Appealing design
  • On and off switch
  • Great water pressure
  • Small compact size
  • Manual water temperature control


  • Does not have an automatic shutoff but is still safe for use

Watch the Video of Camp Chef Triton 5L hot water heater and shower

Video Transcript:

Credit for this Video:Greg Gardner

Buying Guide The Best Portable Water Heater

Source of Energy

Water heaters use different sources of energy as like portable electric water heater . This can be electricity, propane tank or gas. Gas and electricity can be used in a house while a propane tank is more suitable for outside use or inside use that is look like indoor portable water heater.

If you are to use your heater on a camping trip then having an electric heater is not an option. Starting to look for an electric plug in the woods is not logical. With proper handling, a propane tank is great for outdoor use. So you know regarding best camp shower setup perfectly.


Different water heater that is as like as portable water heater propane have different capacities. This ranges from 3litres to over 5 litres. If you know you are going to be using the heater often, then invest in a larger capacity tank. This will enable you to receive a good amount of hot water flow for a longer time as like portable tankless hot water heater. Because it is also tankless water heater for outdoor shower no doubt.

Also, you can even lock the breaker bar in place for continuous uses. Which is a way to prevent you from changing your torque over and over?

Water Flow

Some outdoor heaters have a higher flow of water per minute. Who would not want to finish their shower quicker? Flow rate refers to how much water is delivered within a certain time.

The higher the rate of flow the more water you get within a minute. With a higher flow rate, you are also able to perform other tasks with ease such as filling an outdoor pool, washing your pets or doing laundry.


Depending on the brand, some heaters come with added accompaniments. Why would you spend extra on a shower or a house when you can get that all at a go? Some useful water heaters accompaniments include a hose, a temperature gauge, a shower head a dual function heating system such as a gas burner or help for portable propane heater outdoor.


When buying water heating always look at some of its safety features. A feature such as automatic shut off system.

This propane water heater portable is usually managed by a timer and after your heater has been on for about 20min, it shuts itself off. Such as safety feature can be great especially if you tend to forget to turn off your heater. It can also go a long way in saving energy as like as best camping hot water heater.

Frequently Asked Questions

1. Why Should You Use a Portable Water Heater?

There are many benefits that you will get when using a portable water heater. They are easy to use and great option for indoor applications. The devices also have portable and compact design which makes it easy to transport them. These water heaters heat water instantly and it is easy to adjust the flow rate.

2. Are portable water heaters safe?

Portable water heaters are safe to use because they give you continuous supply of hot water. They take less space and there are little potential risks of leaking. These water heaters also last longer. The main disadvantage of these heaters is the high installation and unit cost.

3. How does a portable hot water heater work?

Portable water heaters heat the water instantly because they are equipped with a heating element. The water passes through the heather using a pressurized water source or an external pump. It is heated instantly and you don’t need a large water tank to hold the water for household use. this makes the heater lightweight and portable.

Final Verdict

We highly recommend getting you one of these portable camping hot water heater that is best portable shower not only that it is also portable hot water shower for camping. Firstly they are convenient since they can be carried around and set up almost anywhere that is why its called portable camping water heater or portable hot water heater for camping also. Secondly, they come with the option to attach a hose hence providing flexible use apart from just showers. They offer great water pressure due to the battery operated pumps or even manual pumps.

Some operate on propane tanks while some use gas burners to heat the water. This means you can be comfortable off the grid where there is a little success to technology or electricity. Moreover, this heater also counted the best rv tankless water heater as well best camping water heater not only that this is also portable water heater camping in the market. So this is also outdoor propane water heater no doubt.


Additionally, some of the propane shower heater have been equipped with safety features such as safety turn off, hot eater detection, a temperature gauge among others.For your kind info. when you travel with above heater may you carry additional portable water heater shower or portable propane water heater or portable hot water heater shower for extra benefit for above all propane camp shower reviews.

All these above portable water boiler for travel and features will let you have the camping and outdoor experience of a lifetime. We advise you to stop thinking about getting one and pick something great from our list of the best portable water heaters in 2018 or best portable camping shower in 2018 that is above all portable hot water also.

Moreover, if you want to know more related products then you can check these products for your convenient decision, water heater for hose, products are portable electric water heater, tankless water heater portable, portable water boiler, portable water heater shower, best propane shower, coleman hot water maker, portable tankless propane water heater, water heater for garden hose,

Also Check, portable hot water,coleman portable water heater, camping hot water on demand, coleman hot water heater, hot water on demand camping, portable hot water tank, portable propane water heater shower, mr heater water heater, camping hot water heater, portable electric hot water heater shower system,portable gas water heater, and indoor portable water heater also. Best of luck indeed!!

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William Jones

I launched this blog as a product reviewer and passionate blogger. Beside provide advance material, guiding you towards a better home and outdoors gears essentials reviews. I devote my maximum time creating research-based product recommended to you for an easy pick.

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