Best Portable Water Heater – 5 Top Reviews

Of course, we recognize that many individuals may struggle to choose the proper model, which is why this guidance is necessary for the best portable water heater. We looked at certain key factors to help us make our decision. The first is weight, which is crucial since you don’t want to add to your already hefty baggage by adding a big device. The temperature range, which defines how hot the water would be, was also taken into account. Other considerations were kind, size, and water pressure.

Best Portable Water Heater

Purchasing a portable hot water heater for camping is, of course, more complicated. Before making a purchase, there are many factors to consider. These warmers are tiny, portable, and quite useful. Some contain tanks, while others are tankless, much like traditional water heaters.

A Quick Comparison of Our 5 Best Portable Water Heaters

Here is the comparison table of the five amazing portable water heaters. You can pick any water heater within your affordable budget and requirements.


Bosch Tronic 3000

    • Brand: Bosch
    • Model No: ‎ES4 Tronic 3000
    • Power: 1.440KW
    • Best Thing:Easy to Install
Check On Amazon

EcoTemp L5

    • Brand: EcoTemp
    • Material: ‎Metal
    • Power Source: Propane
    • Best Thing: Easy to Use
Check On Amazon

GASLAND Outdoors BE158

    • Brand: Gasland
    • Material: Stainless Steel
    • Power: 12KW
    • Best Thing: Easy to Install
Check On Amazon

EcoSmart ECO 27

      • Brand: EcoSmart
      • Material: Stainless Steel
      • Power: 27KW
      • Best Thing:Temperature Control
Check On Amazon

VIVOHOME Water Heater

      • Brand: VIVOHOME
      • Material: Metal
      • Power Source: Propane
      • Best Thing:Two Seasonal Modes
Check On Amazon

Here are the detailed reviews of the 5 Best Portable Water Heaters

Here are the latest reviews of the best portable water heaters for the whole house.

Bosch Electric Mini Tronic 3000

Bosch Electric Mini Tronic 3000

Bosch has a well-deserved reputation in the water heater sector, and the Bosch ES4 Tronic 3000 Electric Water Heater demonstrates why. With this product, you can have warm water whenever you want. This space-saving tiny tank from Bosch is small and light, and it’s intended to function alone or in combination with your home’s water heating system. You may also use it as water warmer beneath the sink. This amazing gadget is a real portable water warmer, perfect for campers and hikers.

With a recovery rate of 6.8 GPH at 90 F, this unit claims to cut down on the time it takes for hot water to start flowing. The system comes with extensive foam insulation from the manufacturer to ensure maximum energy efficiency. Furthermore, the tank is constructed of superior glass-lined material for long-term durability. Every other part of the system comes with a two-year limited warranty, which shows the manufacturer’s faith in the product.

This unit has a sleek and elegant appearance that can easily integrate with any house or RV decor. It may also help those with tiny kitchens because of its compact form, which makes it appropriate for small settings. Furthermore, it is available at a relatively low cost, making it quite enticing. While several consumers have complained that the device leaks a little, it is pretty much the only flaw you’ll discover with it.

  • Small and nimble.
  • It does not need propane cylinders to function.
  • For maximum longevity, the tank is coated with glass.
  • Adaptable design.
  • Because it’s electric, it’s best used inside.
  • Long delays for hot water are eliminated because of the quick recovery rate.
  • Extremely cost-effective
  • Many consumers noted that the device sometimes leaked.

EcoTemp L5Portable Water Heater

EcoTemp L5

According to the maker, this is the only CSA-certified portable water heater. You may use this portable water heater for your pool, horses, pet washing, car cleaning, small home, RV, and greenhouse, among other things.

This equipment is excellent for any location that demands consistent and reliable hot water. Also, the water is ready to use quickly because a 20-pound propane tank with an electric starter is included.

Two “D” cell batteries power this ignition, making it the best option for on-demand hot water. You may also get the most out of this gadget by connecting it with an Eccoflo 12v water pump to get hot water in the most inaccessible places.

With a water pressure of 20 PSI, the device will supply 1.5 gallons of hot water per minute. To suit your demands, you may also vary the water temperature from 50 to 140 degrees Fahrenheit. The water and gas dials are easy to use, so you can be sure you’ll get water at the temperature you want.

  • Certified by the CSA.
  • Committed to client service.
  • It is simple to set up.
  • Made in the United States of America.
  • The design is small and light.
  • Ideal for usage outside.
  • There is no electrical display.
  • They might have a problem with the ignition.

GASLAND Outdoors BE158-Hot Water in a Compact Device

GASLAND Outdoors BE158

It’s thrilling to see a water heater that complies with American and Canadian regulations. This CSA-certified gadget has a flame failure and overheats prevention feature to keep your family safe. The antifreeze draining plug is useful for removing any remaining water that might cause the pipes to freeze in cold weather. At 167 degrees Fahrenheit, this water tank is likely the hottest. When there is an unexpected flameout, the gas cuts off instantly.

Like other portable water warmers, this device is tiny and light, making it simple to take with you wherever you go. On-demand hot water may be provided at the beach, in the great outdoors, or on your boat. You may also use it for bathing your pet or connecting to your RV. The gadget is easy to set up and takes a few minutes. Hot water is supplied on demand with a maximum output of 41,000 BTU/HR. This device eliminates the need to pre-heat water before usage.

The water will flow at your selected temperature when you turn on the faucet. It operates at some of the lowest pressures, requiring just 2.5 PSI to flow properly. With gas and water flow that can be changed to change how hot the water is, you can expect 1.58 gallons per minute.

One feature you’ll like is the advanced combustion technology, which may save you up to 11.5 percent on energy expenses. This technology works with the main burner and the heat exchanger to decrease gas waste and noise from the burning process. The important thing is that you will be able to save more money in the long run. Excessive force can cause the pipes to burst or shatter. Thus, it’s best not to overtighten the connections and pipes.

When the top and exhaust heat up, watch for combustible things, especially vapors like gasoline, which may readily ignite. To protect yourself against leaks, you may do yourself a favor and acquire a leak prevention device. When the temperature drops below 32°, it’s also vital to drain the water to avoid damage to the heat exchanger and other internal components.

  • It reduces the cost of energy.
  • It has several safety features.
  • Lightweight and simple to set up.
  • ideal for both indoor and outdoor usage.
  • You may use it with low water pressure.
  • This may improve the construction quality.
  • TThe Best for Constant Hot Water:

EcoSmart ECO 27Portable Water Heater

EcoSmart ECO 27

You’ll need to think about EcoSmart if you want hot water that never runs out. This device keeps the water at the temperature you want, and the flow rate is tightly controlled to make sure it works well. It will keep your water temperature within 1 degree of your desired temperature. Do you have a small bathroom? It’s no issue. Traditional tanks are 90 percent smaller than this product. With dimensions of 17x17x3.75 inches, it can be put in bathrooms that aren’t very big.

It may also help you save up to 50% on water heating expenses. It is 99 percent thermally efficient, heating your water when needed instead of conventional water heaters that keep the temperature high when you don’t. The tankless water heater can provide 2.7 to 6.5 gallons per minute of hot water.

This, however, is dependent on the temperature of the incoming water. The product is suitable for big families, especially those in hot areas. The power consumption is rather high while the hot water runs, ranging between 18 kW and 27 kW. However, since it uses no water and consumes no electricity, the overall power usage is equivalent. If you have a big home, you’ll need many units, each with a 240-volt circuit (40 amps). It also has a remote thermostat that you can put near your sink or shower to control the temperature.

  • It delivers hot water on demand.
  • It takes up less space.
  • It takes up less space.
  • Ideal for usage at home,
  • It’s only effective in hotter climates.
  • Installing it might be costly.

VIVOHOME Portable Water Heater

VIVOHOME Portable Water Heater

The VIVOHOME outdoor tankless water heater is a convenient way to heat water. This propane-powered machine is built to meet US and Canadian safety requirements. The maximum temperature is 149 degrees Fahrenheit, appropriate for many jobs but not high enough to scorch oneself. This device is simple to use and comprehend with just two seasonal settings (summer and winter). The design is simple and adaptable. It’s lightweight and comes in two colors: white and red.

The flow rate of this tankless water heater is 6 L/min, which equates to around 1.6 gallons every minute. However, because of the low energy consumption, you may be able to save money on your heating costs without sacrificing performance. The incoming water pressure must be between 3 and 145 PSI for the heater to operate. The heater will not ignite and will not provide hot water if the water pressure is less than 3 PSI. They should also install this water heater vertically in a well-ventilated area.

The VIVOHOME Outdoor Portable Tankless Water Heater offers four separate protection mechanisms for added safety. They’re flame-resistant, anti-dry, anti-heating, and anti-freeze. When you switch on the hot water, the heater automatically ignites to conserve energy and increase safety. This is an excellent tool if you need hot water for your next camping vacation or to wash your vehicle and boat outside at home.

  • The flow rate is impressive.
  • There are two seasonal modes.
  • system of defence.
  • Ignition by itself.
  • It should be in a completely vertical posture.

Best Portable Water Heater Buying Guide.

When you are going to buy a portable water heater, there are a few things to consider.

Energy source

A variety of components power water heaters. The majority of them are typically powered by propane, electricity, or batteries. Each power source has its own set of advantages and disadvantages. We suggest adopting “portable” power sources for a portable water heater. For example, if you utilize electricity, you will be limited to just going to places where there is power. On the other hand, batteries are small and easy to carry, so you can use your heater whenever you’re outside.


The capacity of a water heater refers to the quantity of water it can store. The majority of water heaters have a capacity of 3 to 5 liters. You’ll be utilizing your water heater for a long time if you know. We suggest purchasing a device with a larger capacity. It will enable you to have a steady stream of hot water for a longer time.


Portable water warmers are often used for outdoor activities. As a result, they must be moved. As a result, having a small, lightweight, and feature-rich device is critical. You may have to store it in your RV, where space is always at a premium.

flow of water

The pace at which water flows from the heater over a certain period is called water flow. With more water flow, you can finish your shower faster and do other things more easily.


Always pay attention to the safety aspects when selecting a water heater system. For example, if the heater is left idle, search for one with an automated shut-off to reduce water loss. You could even buy a device that changes the temperature of the water automatically when it gets to a certain level, so you don’t get burned.


Some water heaters come with various accessories, depending on the manufacturer. Accessories do not impact the heater’s performance. However, they do make it simpler to operate. A temperature gauge, a hose, and even a showerhead are all items you should consider purchasing.


Is it necessary to clean my portable water heater?

If you want to keep your water heater running well, you should clean it once in a while, ideally every six months. Will clean the portable water heater to remove any lime, rust deposit accumulation, and water scale. If you don’t clean your water heater, it might overheat and lose efficiency.

Is it necessary for me to remove the portable water heater?

Whenever the heater is not used, it would be beneficial to pull it down. The top plate on the heater provides heat protection but not rain protection. It is possible that leaving the heater outdoors can cause harm. Portable water heaters aren’t meant to be installed permanently, and if the heater gets damaged, the warranty won’t cover it anymore.

Will my water heater’s performance be affected by low water quality?

The most dependable portable water heaters will function well even with low-quality water. On the other hand, low-quality water causes lime, water scale, and other problems. As a result, you should clean your water heater once to improve its efficiency.


If you’re looking for a portable tankless water heater for your off-grid or camping needs, take a look at our comparison table above, read reviews from other people who have used these units, and watch a few YouTube videos to get a better idea of how they function.

Leave a Comment