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Heat Pump Hot Water Installation

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iStore Hot Water systems use innovative technology that converts air into hot water, reducing hot water costs by up to 70%.

If you're considering updating your hot water system, here are some reasons why iStore is one of the preferred options for heat pumps.

Energy Efficient

The iStore consumes approximately 0.5 kW of power per hour during the air to energy heating process versus 1.5 - 2 kW per hour for the average household.

Save on Energy Costs

Being energy efficient means saving big on your energy costs! Installing an iStore means you could save 70%, or $1,000 per year on your hot water bills*. Check out how the iStore running costs compare to other conventional electric or gas storage systems.

istore heat pump price

Good for the Environment

iStore can reduce CO2 emissions by up to 4 tonnes.

Easy to install

A domestic hot water heat pump is installed the same way as an electric system. There are no panels required on the roof that can result in possible additional installation costs.

Operates in many different climates

iStore heat pumps can operate in warm and cold climates, during the day (with or without sun) and during the night. Extracting energy from the surrounding air, the iStore provides reliable hot water all year round. There is also a booster option that can be programmed or turned on manually. Call us to discuss your needs and we can ensure the system is set up best for your individual use.

5 Year Warranty

The iStore comes with a 5 year warranty on the cylinder, 2 year warranty on refrigeration and electrical and all other components are covered under the standard 1 year warranty.

How iStore Works

  1. A fan draws in air, containing heat energy, across the evaporator
  2. The evaporator turns the liquid refrigerant into a gas
  3. The compressor pressurises the refrigerant into a hot gas
  4. The hot gas inside the condenser coil heats the water inside the coil-wrapped tank
  5. The refrigerant reverts back to a liquid after heating the water and continues to the evaporator for the process to start again
  6. The cycle continues until the set target temperature is achieved.
  7. As water is used in the home, the cycle will restart once the temperature in the tank has dropped below 45 °C
how istore heat pumps work

Technical Specifications

Height 1955 mm
Diameter 640 mm
Height to water inlet 99 mm
Hot water condensation 1094 mm
Height to PTR valve
Height to anode
Net weight 157 kg
istore dimensions and size
hot water system repair

Extended Warranty!

Newcastle Hot Water Services offer FREE 12 month extended warranty on replacements of selected electric storage, gas storage, continuous flow and solar hot water systems. Download important information below! Or call us today for more information.  

How long do hot water systems last?
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How long do hot water systems last?


Was very impressed that they could attend to the problem with our solar hot water system the next day. Our problem was fixed [at the] amount that was originally quoted. Will be using Newcastle Hot Water Services again without any hesitation.

— Anne-Marie McQualter (five stars)

Very responsive, helpful and professional service. Had an issue with my gas instant hot water unit. Attended site hours after my call. Resolved the issue shortly after. Thanks!

— Nick Kuras (five stars)

We were completely happy with the work and the professional way it was carried out. The area was left clean and tidy. The workmanship was exceptional.

— Linda Lombardo (five stars)

For any of your plumbing needs call these wonderful people. They're fast, efficient, polite and very reassuring. No problem is too hard or job too small or large, all praise to Shane for his service on Sunday morning hot water fault diagnosed within minutes, solution found and fixed, hot showers. Again, fantastic.

— John Grover (five stars)