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Instant Electric Hot Water System: The Key Takeaways
- Instant hot water systems provide on-demand hot water without a storage tank.
- These systems are electrically powered and heat water as it passes through a heating element.
- Depending on size, power, and features, Costs range from $200 to $1,000.
- Electric instant water heaters are space-efficient, highly efficient, and provide a continuous hot water supply.
- The top 10 instant electric hot water systems in Australia are listed, including brands like Stiebel Eltron, Girard, EEMAX, Rheem, EcoSmart, Bosch, and Biselong.
- Many models come with warranties ranging from 1 to 5 years, with some offering lifetime limited warranties.
- Professional installation by certified electricians is recommended for proper setup and safety.
- Instant hot water systems can save energy costs and provide convenience for households with high hot water demand.
What is an Instant Hot Water System?
An instant hot water system is a plumbing fixture that provides hot water on demand. It is an electrically powered unit that heats water as it passes through a heating element.
The advantage of such a system is that it provides endless hot water without the need for a storage tank. This means you’ll never have to wait for your hot water to kick in again.
Read More: Hot Water Rebates Australia
How does an instant electric hot water system work?
An instant system works by heating water as it passes through a heating element. The heating element is usually located near the point of use, for example, underneath a sink. When you turn on the tap, water flows through the heating element and is instantly heated.
Also Read: Government Rebated Heat Pump Hot Water System – Supply & Install From $33*
How much does an instant hot water system cost?
The cost of an instantaneous hot water heater varies depending on the size, power, and features of the unit. Generally, these systems range in price from $200 to $1,000.
When comparing models, be sure to consider the long-term costs, such as energy efficiency and maintenance. You should also consult with a licensed plumber to get the best advice regarding your home’s plumbing.
Electric water heaters differ from regular gas-powered types because they occupy smaller spaces, have higher efficiencies, and produce a continuous hot water supply.
They run silently and cleanly and rely on electricity. They are most suited for homes with a high demand for water and limited spaces. They also offer flexibility in installation options.
The Top 10 Instant Electric Hot Water Systems Available in Australia
The Stiebel Eltron DHE 27 AU
Introducing one of the latest innovations in water heating technology, the 3-phase electric instant water heater within a temperature setting range of 20-60 °C. This powerful unit can deliver an impressive 27 litres of hot water per minute, making it the perfect choice for high-demand households or commercial settings.
Featuring full electronic control and 4i technology, this water heater ensures precise and consistent water temperatures at all times. Not only is this water heater convenient to use in multiple locations, but it also boasts high energy efficiency and eco-friendliness.
With features like ECO mode and energy and water consumption LEDs, you can enjoy hot water while minimising environmental impact. But that’s not all. This water heater is packed with additional features for added convenience and safety.
From a backlit multifunction display to individual memory buttons and special functions like temperature limits and childproofing settings, this unit has everything you need for peace of mind. Ideal for larger homes with two bathrooms or more or for situations with high hot water demands, this water heater is a true game-changer.
Plus, with a generous 5-year warranty for domestic parts and labour and a 1-year warranty for commercial use, you can trust in the quality and durability of this product.
Girard Prod 2GWHAM Tankless Water Heater
This instant water heater can produce hot water within minutes, which is precisely how it should work. The machine works with the help of a 12 V brushless motor and produces outputs of 42,000 BTUs for quick hot water production without any noise.
The unit also has built-in reporting and monitoring features. As remarkable as its usefulness and savings for the environment, this water heater consumes less than half the energy that a standard six-gallon tank causes to heat the same hot water.
This appliance also has an advanced control panel that enables one to adjust temperatures from degrees 95 to 124 Fahrenheit, switch from degree Fahrenheit readings to degrees Celsius and from degrees Fahrenheit to Celsius degrees, etc.
This heating unit is small in fairways but doing big things. It weighs 10.88 kg, has a width of 31.75cm, a height of 31.75 cm and a depth of 39.37cm. As part of critical information, this can also be used indoors or outdoors up to an average pressure of 55 psi.
EEMAX HA027240 Electric Tankless Water Heater
The EEMAX HA027240 Electric Tankless Water Heater remodels the whole-house hot water system and meets all requirements. This unit can deliver full power, jump to 27000 watts, and supply hot water up to 8 gallons per minute at a constant temperature.
This model is considered environmentally friendly, as its energy efficiency rating is 99 percent, and it has a simple yet effective digital temperature regulation system.
This heating unit capacity is ample enough for a house with two to three bathrooms. Upgrading to the HA036240 model, which can serve more bathrooms, may be necessary.
The specifications of the unit are 17 inches in height, 17 inches in width, and 3 inches in depth.
The device was constructed for indoor use, and its maximum pressure rating is 150 PSI. The warranty of the unit includes one year of parts and labour along with a five-year leak-proof warranty, which further assures the house owner.
Rheem RTEX-13 Instant Electric Hot Water System
Regarding hot water requirements, the Rheem RTEX-13 provides an excellent response with its tankless water heater, which can simultaneously serve multiple hot water needs.
The unit’s digital thermostat and LEDs, which can set water temperature between 80 degrees Fahrenheit and 140 degrees Fahrenheit in single-degree increments, further improved this.
It should also be noted that the unit has two replaceable copper heating elements, which are likely in good condition. Process load control saves energy by adjusting the power to the water flow.
If remote operation is required, the Rheem RTEX-13 remotely controls the mounted heater using the Rheem EcoNet app. It will also allow management of the heater system on a smartphone, making it easier to handle the system, possibly while on the go.
In inches, the unit has a depth of 3.63, a height of 12.63, and a width of 8.25, making it relatively small and suitable for indoor fixing. It comes with a five-year domestic and labour warranty and a one-year commercial spare parts and labour warranty.
EcoSmart ECO 27 Tankless Electric Water Heater 27 kW 240 V
If you have a warm indoor environment at home, the EcoSmart ECO 27 may be an ideal solution for your hot water needs. This electric tankless water heater is designed to supply your entire house with hot water on demand, providing a convenient and energy-efficient option.
One of its standout features is the self-modulating technology, which adjusts the power usage based on your water requirements, resulting in significant energy savings. You can save up to fifty percent on your water heating bills thanks to this efficient design.
The unit includes a digital screen that displays the water temperature and allows you to make precise adjustments in one-degree increments. The hot water flow rate ranges from 2.7 to 6.5 gallons per minute, depending on the temperature of the incoming water.
The EcoSmart ECO 27 has a width of 17 inches, a height of 17.75 inches, and a depth of 4.25 inches, and it runs on 240 volts. It is intended for indoor installation only.
The product comes with a lifetime limited warranty covering the electronics, heat exchanger, and heating element, offering peace of mind for the long term.
The Bosch Electric Mini-Tank Water Heater
The Bosch Electric Mini Tank Water Heater Tronic 3000 T 4 Gallon (ES4) is a very useful point-of-use water heater that can fit under the sink, be installed on a wall or put on the floor. This is made to help save on water and energy by providing hot water only when required, eliminating the wait time.
With a thermal efficiency of ninety-eight percent and a fast recovery rate, this water heater is highly efficient. It has the ability to offer hot water to at least two sinks at the same time, thus best suited for small users or specific areas of use.
The component is made of a top-quality glass-lined coating, hence increasing its time span and performance.
The next item regards specifications, which include width, height, and depth measuring at 13.75, 13.75 and 13.5 inches respectively. It has a power rating of 1440 watts and it is designed for use indoors.
The warranty covers six years for residential parts and labour and one year for commercial parts and labour which gives users ample protection.
Biselong Instant Hot Electric Tankless Water Heater
Meet the Biselong Electric Tankless Water Heater, your new best friend for hot water at home. It’s quick, smart, and saves you money.
This heater gives you hot water in seconds, right when you need it. No waiting, no wasting energy. It’s clever, too. It only uses the power it needs, which can cut your electricity bills.
You can easily see and change the water temperature with its screen and dial. It’s built to last, working well even if your water pressure isn’t great. It’s small and light, so it won’t take up much space. Just put it indoors and plug it into a 240-volt outlet.
Best of all, it comes with a two year warranty. So you can enjoy endless hot water without worries. Simple, efficient, and reliable. That’s the Biselong Electric Tankless Water Heater.
Stiebel Eltron DHCE 6/50 / DHCE 8/50
This compact unit boasts a stylish carbon look and uses electronic controls for top efficiency. Choose from three temperature settings to suit your needs. The heater delivers water up to 50°C, meeting AS3498 standards. It’s WaterMark approved (licence WMKA21273) for quality assurance.
Its installation is a breeze, and no safe tray or drainage is required in most cases. Its small size lets you place it close to where you need hot water, saving water and time.
The DHCE uses energy only when you need hot water, unlike systems that store it. Choose from two models:
- DHCE 6/50: 7.1 kW, 30 amps
- DHCE 8/50: 9.5 kW, 40 amps
Both run on 240V single phase power. Plus, you get a 5-year full warranty for home use. Efficient, convenient, and reliable – that’s the DHCE water heater.
Stiebel Eltron DEL18+/50 Instant Electric Hot Water System
Meet the Stiebel Eltron DEL18+/50, a German-made powerhouse for your home’s hot water needs. This 18-litre beast can handle two hot taps at once, perfect for busy households. It comes in smaller sizes, too. And with a five-year warranty on the heat exchanger, you’re set for years to come.
This clever little unit is all about efficiency. It’s got multiple temperature settings and an ECO mode to keep your energy bills in check.
Plus, its copper heart means it’ll keep pumping out hot water reliably for years. Installing it is a breeze, and it runs so quietly you’ll forget it’s there. Until you step into that perfect, steamy shower, that is!
The cherry on top? It’s lightweight, doesn’t need flow restrictors, and even has a 50-degree compliant option.
Stiebel Eltron DEL27A/50 Instant Electric Hot Water
The Stiebel Eltron DEL27A/50 is a German-made marvel that delivers 27 litres of non-stop hot water, perfect for busy homes running up to three taps at once. If you do not need so much water, there are smaller sizes available. It has both single-phase and three-phase options to fit your setup.
This compact wonder is built to last, with a five-year warranty on its heart. It is efficient, quiet, and easy to install outside your home. With adjustable temperatures and an ECO mode, it’s not just about hot water; it’s about smart water.
So say goodbye to cold showers and hello to endless comfort!
Key Features to Consider When Selecting an Instant Electric Hot Water System
Available space and location for installation
There should be enough space to accommodate the size of the water heater. The location should also be well-ventilated or air-conditioned to maintain environmental safety.
The proximity of water pipes should also be considered. The length of pipes may affect the flow rates of water. Ensure you consult a qualified plumber to enforce safety regulations and standards while installing the instantaneous hot water system.
Compatibility of water supply
Check the instantaneous water heater’s input power specifications before purchase. It must be compatible with what is obtainable in your home.
The device may be a single- or three-phase system. The power rating may also require you to use compatible sizes of cables, electrical sockets, or wiring infrastructure to avoid overheating and potential damage or fire incidents.
Maintenance requirement and lifespan
Instantaneous water heaters require different maintenance routines.
Those that use filters may require periodic filter replacement and cleaning. Some heating elements and chambers will rust and need replacement with time. Models with stainless steel heating elements and chambers should be the preferred options.
Also, the models with antibacterial protection technology that inhibit the growth of bacteria should be considered. This technology will protect you and your family from bacterial infections.
The lifespan of the device is also essential. Consider models that have extensive warranties and adequate customer support.
Energy and flow rate requirements
Consider choosing energy-efficient models to avoid adding too much overhead to your energy bill.
This is listed as part of the specifications of the device packaging. You can also compare the input power, output temperature range, and flow rates between models. A competent electrician will provide adequate guidance.
Conclusion
With this guide, you should know the key features to consider when selecting an instant hot water heater in Australia. Make sure to check for space specifications, energy efficiency, environmental friendliness, water flow rate, and warranty duration. One of these top ten devices will surely suit your household needs.
E-Green Electrical For Instant Electric Hot Water Installation
If you’re looking for a professional to install your system, look no further than E-Green Electrical. Our team of certified electricians has experience installing all types of Instant hot water systems, and we’re always up-to-date on the latest models.
We’ll work with you to find the perfect Instant hot water system for your home, and we’ll make sure it’s installed correctly the first time.
We’re so confident in our work that we offer a 100% satisfaction guarantee. For more information about hot water heater installation or to schedule a free consultation, contact us today. Also Read: The Most Energy-Efficient hot water system.
Frequently Asked Customer Questions | Your Questions, Our Answers
Are instantaneous electric water heaters better than traditional water heaters?
Instantaneous electric water heaters may be more energy-efficient than conventional storage heaters since they heat water only when needed, which reduces energy waste to a great extent. However, conventional heaters can be suitable for homes with high simultaneous water demands, as it would be hard for instant heaters to supply various fixtures simultaneously.
Are instantaneous electric water heaters any good?
Yes, instantaneous electric water heaters are relatively efficient and economical for some households, as they provide hot water upon demand. Thus, storing water in tanks is unnecessary, which reduces energy use and minimizes the utility bill. However, they might not be effective for homes with high simultaneous water usage.
Why does it take so long to heat my electric instant water heater?
If your instant water heater takes longer than usual to heat up, it may be because of the distance between it and the faucet. The longer the piping, the longer it will take for the hot water to reach the tap. Other possible reasons include clogged filters or an undersized heater for your household demand.
Why does my electric instant hot water system keep shutting down?
One probable cause of shutdown in an electric instantaneous water heater is overheating of the heating element when suddenly there is no water flow after periods of high demand. When this happens, an “overheating, ing protection device” shuts down the heater. Another downable reason could be problems with the thermostat.
Why is my electric instant hot water going cold?
If your electric instant hot water switches intermittently between hot and cold, inconsistent water flow or pressure could be the cause. A sudden fall in flow may cause the heater to quit heating for some time, resulting in cold water. Other causes of fluctuations may be clogs, low water pressure, or a flow sensor malfunction.
How long does an electrical instantaneous hot water system last?
If cared for and maintained well, an electrical instantaneous hot water system can last for about 15 to 20 years. Since these systems possess fewer mechanical parts, they wear and tear less than storage water heaters. Regular servicing and timely repairs can only ensure a longer life for the appliances.
What are the electrical requirements for instant water heaters?
To run an instant water heater, you will need to run a dedicated 120-volt or 240-volt circuit. On either voltage, you’ll be using an 8-gauge wire. Moreover, if the wire is exposed underneath the sink, it must run inside an armoured cable. Unless the manufacturer requires a heavier cable, you must follow the instructions, which will satisfy the National Electrical Code.
How long does electric instant hot water take to heat up?
The electric instant hot water systems warm the water instantly as it passes through the heating elements. Water is heated in seconds, and therefore, depending on the distance between the heater and faucet, hot water is provided within a few seconds after turning the tap on.
