10 Best Tankless Water Heaters In Australia 2024: Electric, Propane & Gas Heaters

Tankless water heaters are very important because it delivers a generous amount of hot water when you open a hot-water tap. These best tankless water heaters in Australia are not only user-friendly but are also more energy-efficient.

The old traditional water heaters are available with a tank which are not very easy to use, and they take more space.

When it comes to hot water, it becomes a necessity in winter. In such cases heating the water can be a little bit costly. Replacing the old tank-style water heaters with tankless water heaters can save you money and space in the long run.

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After understanding the need for tankless water heaters, it is very important to consider the best products available in the market. But there is a long list to go through as we have numerous brands available. We have provided a list of the best tankless water heaters in Australia, so you can go through them and pick the best.

Best Tankless Water Heaters Australia – Portable and Wall Mounted Heaters

Picking a good tankless water heater can be a little bit tricky as they come in different sizes, uses, and features. We have chosen the 11 best tankless water heaters in Australia to make a choice easier for you. Their features and qualities are marked in detail.

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These water heaters are selected based on their venting process, flow rate, power input, fuel, prices, etc. Choosing a tankless water heater that suits your needs can be a little bit difficult, but it can be nailed if chosen wisely. Their features are mentioned in detail, and a comparison table is also given below.

1. Girard 2GWHAM Tankless Water Heater – Wall Mounted, Digital 

Girard’s GSWH-2 is brand new in the market, which concludes years of research and analysis. The running of this water heater is very easy as you have to turn on the hot water faucet and add the cold water for your required temperature. This tankless water heater comes with a microprocessor that controls the flow rate and the water temperature to maintain a moderate amount of hot water.

Girard tankless water heater comes with a wall-mounted digital interior that shows all the functions on the screen and the temperature of the water.  You can fix the water temperature so that you do not have to worry about water getting too hot. It also has the UCP function, which allows for easy troubleshooting in case of any problem.

It is called the best tankless water heater in Australia due to the temperature maintenance. Its door is also very easy to open and close. Besides, it is very durable as it does not contain any twisted wires. It also has a silicone exhaust ring which is moveable for easy discharge of the exhaust tube.

The water heater constantly maintains the hot water temperature to the required water flow and temperature. It comes with a freeze protection body which is specially designed for the winter season. The water heater does not require any special gas line or plumbing. It comes with a noise-free brushless motor that takes less than three amps of electricity.

  • The microprocessor is very useful, which controls the flow rate.
  • The heater has a brushless noise-free motor.
  • Very durable design.
  • It has antifreeze technology.
  • Water exceeds the temperature limit sometimes.
  • Takes more space than usual tankless heaters.

2. ODOORGAS ODG6B – Water Heater Portable, Overheating Protection 

ODOORGAS is a company that meets all the US standards by providing quality solutions and giving amazing products. This useful water heater comes with a colorful painting that serves as equipment and adds to the natural views. This way, the water heater does not only satisfies your hot water needs but also becomes an enjoyment to your sight.

The portable water heater comes in a very small size that is easy to handle and carry in your house. This device contains a small propane gas tank that you can refill again. You can also take this portable water heater wherever you go hiking, camping, or any trip.

The ODOORGAS 6L tankless water heater does not contain any preheating process, and you do not have to wait for the hot water. Just turn on the tap, and the hot water is available. The super easy to use tankless water heater comes with multiple protection such as flameout protection, ignition failure protection, combustion protection, overheating protection, antifreeze protection, and high-water pressures protection.

It has an inbuilt protection system that will automatically shut off the heater if it detects any flame. It is considered one of the best tankless water heaters Australia because of the protection it gives. Furthermore, it uses 40% less energy than traditional water heaters. It is very easy to install, for which you do not require any accessories.

  • Very compact and portable design.
  • You can fill the propane gas tank again.
  • Does not require any preheating process.
  • Comes with anti-freezing and overheating protection.
  • The temperature display does not work.
  • No premium quality material.
  • No user manual.

3. Rheem RTEX-24 Tankless Water Heater – Residential, 5.9 GPM Flow Rate 

Rheem RTEX-24 Residential heater comes with a sturdy body that gives continuous hot water for a single-use or 24 hours. You can adjust the temperature of this tankless water heater according to your requirement. It is said to be the best tankless water heater in Australia because of its sturdy outlook.

It comes with smart water technology, which neglects the groundwater temperature and maintains the requirement of hot water. This residential tankless water heater comes with digital static control with an LED display that shows accurate temperature in degrees.

It has a modulation system that automatically adjusts the power to give hot water according to the desired temperature.

The copper body on the water heater has three heating elements that give hot water at the required temperature. This residential tankless water heater comes with easy-to-install instructions with a digital temperature display. It can maintain the flow rate up to 5.9 GPM.

  • Very easy to install.
  • It has a digital temperature display.
  • You can adjust the temperature of the heater.
  • It avoids the groundwater temperature.
  • Suitable for single faucets.
  • Does not save electricity at all.
  • Plumbing lines are corroded.

4. Byged Electric Water Heater – Very useful in hydrotherapy 

This swimming pool water heater comes with a water circulatory system which is very effective in hydrotherapy. It is very good for giving hot spring water with the help of a hot tube. An automatic thermostat system can maintain a constant temperature fixed before the water heater’s setting.

With the help of an electric thermostat, you can adjust the temperature of the water according to the requirement. It comes with a circulating heating system which controls the temperature to give moderate amounts of hot water. This tankless water heater is made up of a good quality stainless steel furnace with wire.

Due to the sturdy material of the tankless water heater, the heater is very durable which is very safe to use. You can only use it for small swimming pools on 8-13 cubic meters of water. The electric water heater comes with a water tank inside, which gives hot water throughout the day.

This electric water heater is called the best tankless water heater in Australia because of the high-quality water. The water tank inside gives more improved performance, and it is corrosion-resistant. It means that the material of the water tank works against the corrosion of the material. This electric water heater is mostly used in swimming pools, hot tubs, and hot spring systems.

  • Very useful in hydrotherapy.
  • The automatic thermostat maintains the temperature regularly.
  • Comes with a stainless steel sturdy body.
  • The water heater is corrosion resistant.
  • The quality of water is just warm.
  • The water tube may start to leak.

5. GA10LP Marey Tankless Water Heater – Power Gas, Propane Gas 

Marey GA10LP is the best tankless water heater in Australia because it provides hot water when needed. The water heating system is very fast when hot water is needed; the heater turns on and turns off after use, saving the power. This propane gas tankless water heater provides up to 2.7 gallons per minute and is most suitable for your shower.

The easy-to-use water heater gives endless hot water for up to 2-3 points of water. The heater comes in a very compact design which saves your space, and is super easy to install. The setup is very easy as you will only need a cell battery for ignition and the venting holes.

This water heater is very much in demand because it saves up to 60% of energy compared to other water heaters. For such a water heater, there is no need for an electrical connection. It proves to be best for those households where there is frequent power shortage.

The heater will turn on whenever there is a need for hot water. Specific controls can easily control the water temperature. It comes with a rustproof body which gives a more reliable outlook. You can save your water with a leaking-proof system. It performs the best if it is combined with a low level of water pressure.

  • The heater turns off when you don’t need hot water.
  • Very compact design.
  • The installation process is very easy.
  • Saves up to 60% of energy.
  • Poor quality material is used.
  • Installation takes very long.

6. GASLAND Gas Water Heater – Outdoors, Portable 

GASLAND Outdoors BE158L heater is the best tankless water heater in Australia, best for low water pressure levels. This portable water heater provides hot water at outdoor locations even when you are traveling. The working is very easy and on budget as it uses propane gas to operate.

This outdoor water heater has an energy-saving design that heats up in seconds, and it uses gas when hot water is needed. There is no need for an electrical supply in running this water heater as it works with 2D cell batteries. It gives more reliable performance than traditional tank-style water heaters.

It comes in a very compact design which is super easy to carry around. The design of this heater is foldable for easy storage, and you can use brackets or hooks for carrying. It has a flame failure design having anti-freezing protection, overheating protection for the safety of your family.

The burner and the heater are designed to decrease gas combustion and the noise of burning. The usage of propane gas can save 11% of your energy wasted by regular water heaters. You can use the water for showers and your pets as well.

  • Comes with anti-freezing and overheating protection.
  • The foldable design is super easy to carry.
  • Does not require any electric supply.
  • Starts to work only when hot water is needed.
  • You cannot use this water heater for drinking water.
  • The controls are not accurate sometimes.

7. Stiebel Eltron 230628 Water Heater – Electric 

Stiebel Eltron 230628 is Australia’s best tankless water heater because it can deliver hot water to multiple taps and low-flow showerheads. It has a temperature dial through which you can control the temperature of your water.

It comes with an advanced microprocessor technology that guarantees that water temperature does not fluctuate from a fixed degree. The water flow rate can increase or degrees at any time, but the temperature should not fluctuate. The inbuilt sensor continuously monitors the water flow and the temperature to adjust the heat.

The electronic temperature control water heater adjusts the heat of the water according to the requirements and saves power consumption. It has a self-modulation system through which it monitors the water flow and the temperature range. The heater comes with a simple plumbing design which does not need any difficult installation process.

This tank list water heater comes in a very sleek and advanced design that you can place anywhere in your home. The heater has a seismic proof construction which is very reliable. You just have to simply set the knob to a specific temperature and enjoy the hot water.

  • Can supply hot water to the whole household.
  • Through a temperature dial, you can control the temperature variations.
  • Has inbuilt sensors that can monitor the water flow and temperature.
  • The plumbing system is very easy to install.
  • It does not maintain water pressure.
  • The temperature regulator does not work.

8. VIVOHOME Outdoor Water Heater – Portable, Overheating Protection 

VIVOHOME Outdoor Propane heater is the best tankless water heater in Australia because it brings convenience and safety to your doorstep. This CSA-approved water heater meets Canadian and US standards by providing a safe environment even for your family and pets. There is a fixed temperature range through which you can maintain the safety of your family.

This portable propane gas tankless water heater meets any shower need, and it can avoid scalding from inflated water temperature. The conducive water pressure starts from 3 PSI, and the water heater cannot start if the pressure is below 3. It is very energy efficient, saving your money on energy costs while giving the hot water.

It comes with an easy to operate design, and it has two seasonal modes as winter and summer. Through these modes, the water heater serves in various weather conditions. The water heater is extremely lightweight and super easy to carry with an easy-to-carry handle.

This portable propane gas water heater comes with anti-freezing protection, flameout protection, and anti-dry protection. It gives a comfortable and safe shower condition for your whole family. When the water tap is opened, the heater starts the ignition automatically.

  • Gives anti-freezing and anti-flame protection.
  • The fixed temperature range maximizes the protection.
  • Saves 60% of the energy consumption.
  • Extremely lightweight and super easy to carry.
  • The winter to summer knob does not work.
  • The water hose starts to leak.
  • Temperature readings are not always correct.

9. EcoSmart ECO 11 Tankless Water Heater – Wall Mounted, Compact 

EcoSmart ECO 11 heater is the best tankless water heater in Australia because it can provide endless hot water throughout the day. According to research, it can save up to 50% of the heating cost by saving energy. The water heater comes in a very compact design to save more storage space.

This electric tankless water heater comes with digital temperature control with advanced self-modulation technology. Through these functions, it monitors the flow rate and the temperature conditions of the water. The water circulates in the heater rather than storing hot water like a traditional tank water heater.

The traditional tank heaters take lots of space, but this tankless water heater comes with a sleek wall-mounted design that saves more storage space. It has a smart system which turns off the heater when you don’t need hot water.

The heater is very easy to install, and the on-demand heating system lowers the chance of waiting for hot water. This electric tankless water heater can provide 3 gallons per minute of flow rate depending upon the needs and the water temperature. It can provide you with endless hot water consistently and reduce energy waste.

  • Super easy to install.
  • Saves up to 50% of the energy consumption.
  • Very sleek and compact design.
  • A self-modulation system monitors the temperature and water flow.
  • The temperature estimation is not accurate.
  • The external tube starts to leak.
  • Not suitable for outside use.

10. Camplux BD264N Tankless Water Heater – 2.64 GPM 

Camplux 2.64 GPM is said to be the best tankless water heater in Australia for household use. You can use this portable gas heater outside while going camping and hiking. It does not require any electrical connection as the heater works with a battery.

The Camplux propane water heater is ignited by 2 D cell batteries which are not provided with the product. The heater can provide up to 2.6 gallons per minute which is great compared to many tank-style water heaters. It has an inbuilt pump that maintains the desired temperature.

The water heater is very easy to use as you have to install the heater on the wall. You have to connect your water hose to the water inlet and insert batteries. The heater has an anti-freezing and overheating protection technology which is safe for your family.

This propane tankless water heater has a very compact design which is super easy to carry. It can save up to 11% of the energy by protecting the electric gear from burning. The performance of the heater can ensure the noise-free burning of the gas.

  • Does not require an electrical connection.
  • An inbuilt pump is given to maintain the temperature of the water.
  • Very easy to install.
  • Gives anti-freezing and overheating protection.
  • The adapters may start to leak.
  • The screen doesn’t show anything.
  • No user manual is given.

Venting system

The tankless water heaters are operated by burning fuel gas outside, so the vent hole should be away from windows or doors that you use regularly. Some people often want to install ventilation pipes that can cause the expense of installation, but you can avoid it if the venting holes are outside.

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Condensing

The procedure is called condensing when steel or water vapors are released rather than burning fuel from the water heater. The steamed air is released to the outdoors through pipelines or holes.

Power consumption

The amount of energy needed to heat the water according to your required temperature is called power consumption. The power input or the power consumption is measured in British Thermal Units. Before buying, the user should check the BTU amount of the water heater if it takes more power.

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Flow rate

The flow rate of any water cooler or water heater represents the maximum amount of hot water it will produce regularly. It is usually measured in gallons per minute or GPM according to the fixed level of the bathtub or sink. The level of water depends on the frequency of water usage.

Fuel

Three types of fuels are used in tankless water heaters: natural gas, propane, and electricity. The gas-operated water heaters take more power and provide more water at the required temperature. The gas tankless heaters last more than 20 years which is much more than electric models.

Price

Knowing the price of any of these is the most important factor while buying. You have to consider the initial purchase, the expense of installation, and the fuel. These things altogether can cost you a fortune, so check thoroughly before buying.

FAQ

The downside of using tankless water heaters is that they cost a lot and fully depend on the power supply. The system will stop working if the power supply is Off and you have to wait for hot water.

Taking a shower with a tankless water heater depends upon the capacity of the product. You need to check if the heater is large enough to handle a large amount of hot water requirement.

If you are using a tankless water heater, you can never run out of hot water. The flow rate depends upon the frequency of how much you are using the hot water. If the water is highly recollected all at once, the temperature of the heater can fluctuate.

Choosing the right water heater depends upon your need for hot water daily. You must know the water flow of the heater and the temperature for which it works. Once you take these measures, there is a slightly more chance of selecting what you need.

As we are moving towards the end of our article, it is very important to highlight some important products that you should consider. We have given the best tankless water heaters in Australia, but the following are popular choices.

That brings us to the end of our discussion, as we have mentioned the best tankless water heaters in Australia. Now it is up to you to choose the best-suited product for your household.

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