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Instant electric hot water is a water heating system that provides hot water on demand without needing a storage tank. These systems use electric heating elements to heat the water through the unit, ensuring a continuous and immediate hot water supply whenever required.
Absolutely! Instant electric hot water systems are an excellent choice for homeowners seeking convenience and energy efficiency. They eliminate the need for a bulky storage tank, reduce energy wastage, and offer precise temperature control, making them a reliable and cost-effective solution for hot water needs.
Instant electric hot water systems heat the water as it flows through the unit. When a hot water tap is turned on, the electric heating elements instantly heat the water, delivering hot water directly to the faucet or showerhead. As a result, there’s no need to wait for a storage tank to fill up, providing hot water instantly.
| Electric Instantaneous Heaters | ||||||
|---|---|---|---|---|---|---|
| Brand | Model | Temperature rise per litre | Amps/kW | Temperature Adjustment | Phases | Warranty |
| Stiebel Eltron | DHE 18 AU | 27c rise @ 10l/m | 27.0Amp/19.4kW | Temperature adjustable 20-60 degrees | 3 | 5 |
| Stiebel Eltron | DHE 27 AU | 41c rise @ 10l/m | 40.0Amp/29.1kW | Temperature adjustable 20-60 degrees | 3 | 5 |
| Stiebel Eltron | DEL 13 Plus | 21c rise @ 10l/m | 20.2Amp/14.5kW | Temperature adjustable 30-50 degrees | 3 | 5 |
| Stiebel Eltron | DHE 18 Plus | 27c rise @ 10l/m | 27.0Amp/19.4kW | Temperature adjustable 30-50 degrees | 3 | 5 |
| Stiebel Eltron | DEL 27 | 39c rise @ 10l/m | 38.9Amp/28.0kW | Temperature adjustable 30-50 degrees | 3 | 5 |
| Stiebel Eltron | DHB-E 13 LCD | 21c rise @ 10l/m | 20.2Amp/14.5kW | Temperature adjustable 20-60 degrees | 3 | 5 |
| Stiebel Eltron | DHB-E 18 LCD | 27c rise @ 10l/m | 27.0Amp/19.4kW | Temperature adjustable 30-50 degrees | 3 | 5 |
| Stiebel Eltron | DHB-E 27 LCD | 41.0c rise @ 10l/m | 38.9Amp/28.0kW | Temperature adjustable 30-50 degrees | 3 | 5 |
| Stiebel Eltron | DHF 13 C-AU | 21c rise @ 10l/m | 19.7Amp/14.2kW | N/A | 3 | 5 |
| Stiebel Eltron | DHF 15 C-AU | 23c rise @ 10l/m | 22.5Amp/16.1kW | N/A | 3 | 5 |
| Stiebel Eltron | SimpleX | 25c rise @ 4.5l/m | 20.0Amp/13.2kW | N/A | 3 | 5 |
| Wilson | Super X | 40c rise @ 4.5l/m | 18.0Amp/13.0kW | N/A | 3 | 2 |
| Wilson | A5: 20 amp | 40c rise @ 4.5l/m | 20.0Amp/14.4kW | N/A | 3 | 2 |
| Wilson | A5; 23 amp | 45c rise @ 4.5l/m | 23.0Amp/16.56kW | N/A | 3 | 2 |
| Wilson | A5; 18 amp | 50c rise @ 4.5l/m | 18.0Amp/12.96kW | N/A | 3 | 2 |
Instant electric hot water systems only heat water when needed, reducing energy consumption and minimising standby heat loss common in storage tank systems.
These compact units take up less space than traditional storage tanks, making them ideal for homes with limited storage space or for small apartments.
Enjoy an uninterrupted hot water supply, as instant electric systems provide hot water on-demand without waiting for a tank to refill.
Instant electric hot water systems offer precise temperature control, allowing you to set the water temperature to your preference, ensuring comfort and safety.
With reduced energy wastage and no need for standby heating, instant electric hot water systems offer cost savings on energy bills over time.
Adequately maintained, instant electric hot water systems can have a long lifespan, providing reliable hot water for years. Instant electric hot water systems offer energy efficiency, space-saving design, and continuous hot water supply, making them a top choice for homeowners seeking convenience and cost savings.
Considerations | Storage hot water systems | Instant hot water system |
Electricity requirement | Requires continuous electric flow | Requires electricity to operate the heating element. This energy is then used when hot water is needed. |
Energy efficient | Efficient- but requires continuous heating | Highly energy efficient. As water is heated on demand |
Need for a storage unit | Requires a storage tank | Doesn’t require a storage tank |
Storage space | Larger storage space required | Less space due to the absence of a storage tank |
Maintenance | Periodic tank flushing and anode replacement | Minimal maintenance- no tank flushing needed |
Popular brands | Dux, Bosch, Rheem | Vulcan, Raheem, Dux, Stibel, Aquamax, Bosch, Saxon |
Pros | Cons |
Energy Efficiency | Limited Hot Water Output |
Space-Saving Design | Higher Initial Cost |
Continuous Hot Water Supply | May Require Adequate Electrical Capacity |
Precise Temperature Control | |
Cost-Effective | |
Long Lifespan | |
Quick Heating | |
Easy Installation | |
Minimal Maintenance | |
Environmentally Friendly |
Considerations | Electric hot water systems | Gas hot water systems | Solar hot water systems | Heat pump hot water systems |
Overview | Heats water using electricity. | Heats water using gas and stores it in a tank | Utilises sunlight to heat water | Extracts heat from the air to heat water |
Tank capacity | Various sizes available | Different sizes; larger tanks for more power. | Varies based on collector size and tank capacity. | Comes in various sizes for different needs. |
Household capacity | Suitable for various household sizes. | Suitable for various household sizes. | Suitable for households With adequate sunlight. | Suitable for multiple household sizes. |
Ease of use | Simple operation; easy temperature adjustments. | Convenient; temperature control available. | Easy to use; reliant on sunlight availability. | User-friendly with temperature settings. |
Installation time | Quick and straightforward installation. | Quick install, but requires a gas connection. | Moderate installation time for collectors and tanks. | Moderate installation time with electrical setup. |
Outdoor or indoor | Indoor installation only. | Outdoor installation; protected from weather. | Typically outdoor installation is for optimum sunlight. | Outdoor installation requires adequate space. |
Warranty | 5-10 years | 5-10 years | 10-15 years | 5-10 years |
Running cost | Moderate running costs; dependent on electricity rates. | Moderate running costs, influenced by gas prices | Lower running costs with free solar energy. | Efficient operation leads to lower running costs. |
Lifespan | varies but is generally 10-15 years. | Lifespan varies but is generally 10-15 years. | Long lifespan with proper maintenance. | Lifespan varies but is generally 10-15 years. |
Safety features | Equipped with standard safety features. | Equipped with standard safety features. | Safe, non-toxic, and low-risk operation. | Equipped with standard safety features |
Temperature control | Precise temperature control for user comfort. | Precise temperature control for user comfort. | Limited control, reliant on sunlight intensity. | Precise temperature control for user comfort. |
Yes, instant electric hot water systems require electricity to operate. They use electric heating elements to heat the water on-demand, providing a continuous supply of hot water whenever needed.
Instant electric hot water systems are entirely electric. They do not use gas; instead, they rely on electrical heating elements to heat the water as it flows through the unit.
No, instant electric hot water systems do not use gas. They solely rely on electricity to power the heating elements, ensuring an energy-efficient and environmentally friendly hot water solution.
Instant electric hot water systems do not use gas at all. They solely rely on electricity, making them an economical choice for homeowners without the need for additional gas consumption.
With proper maintenance, a well-installed instant electric hot water system can last between 10 to 15 years or even longer, providing reliable hot water on-demand for your household.
The cost of instant electric hot water systems varies based on factors such as capacity, brand, quality, and installation requirements. On average, they can range from a few hundred to a few thousand dollars, depending on your specific needs.
While the upfront cost of an instant electric hot water system may vary, they offer long-term cost savings through energy-efficient operation. The on-demand heating ensures you only use energy when you need hot water, making it an economical and efficient choice.
For the best installation and advice on choosing the right instant electric hot water system for your home, consult Australia’s top specialists. Experience the convenience and efficiency of an instant electric hot water system, ensuring a continuous supply of hot water whenever you need it. Contact us now for expert service and guaranteed satisfaction!
