reduce hotwater costs by 70 percent infographic

REDUCE YOUR HOT WATER HEATING COSTS BY 70%. HOW?  Convert air to energy with an iStore 180L or 270L hot water heat pump storage system.

iStore revolutionising hot water storage

How the  iStore Air to Energy storage hot water system works

Use thermal energy in the surrounding air to heat the tank water


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Welcome to the era of energy independence. The iStore heat pump offers a cost-effective storage solution as an alternative and reliable storage device.


The benefits of an iStore heat pump

Why install an iStore 180 or 270L ENERGY STORAGE HOT WATER SYSTEM?

  • Make the most of your solar PV system
  • Most cost-effective energy storage solution on the market
  • Receive STCs (Small-scale Technology Certificates)
  • Generate hot water energy all year round

Compare savings with an iStore Heat Pump

Discover real energy efficiency

The Benefits:

  • Economical – The iStore boasts 4 intelligent operating modes adapting to all situations, including a hybrid mode for when additional guests are staying in your home and a vacation mode for when you are away on holidays
  • Optimal design – External wrap around heating coil provides maximum thermal energy transfer
  • Easy to install – The iStore is easy and quick to install
  • Low consumption – The iStore consumes approximately 1 kW of power during the air-to-energy process (average household running cycle is 3 – 4 hours = 3 – 4 kWh total)
  • Money & energy savings – For the average Australian household, heating water accounts for up to 30% of the total energy usage. The iStore saves you hundreds while saving the planet!


Your iStore heat pump incorporates an interactive controller, allowing you to customise operating times and water temperatures to suit your household usage. Further maximise the full potential of the iStore by syncing it with a solar power system. The easy-to-use, built-in smart timer will offset any excess power to the iStore, saving you even more.

The results speak for themselves - billing comparison


We use and recommend the highly efficient iStore Heat Pump, which is supported by these comprehensive warranties.

5 Year Cylinder Warranty

2 Year Refrigeration & Electrical Warranty
Parts and labour included.

When you upgrade your hot water service with Stokes Plumbing you will enjoy a quality system second to none. We take pride in our reputation for efficient installation and service. Enjoy peace of mind with our comprehensive warranties and local support.

Start saving and driving down costs by upgrading your hot water system to a iStore heat pump today.

iStore installed in April 2020

iStore Dimensions


* 14kWh is the average power consumption used by standard 270L electric hot water systems.
^ Tariffs based on following typical pricing, $0.25 per kWh for electricity, Natural Gas price of $0.0351 c/MJ & LPG price of 1.25 $/L.
Actual savings may vary on household usage, solar power system and climate conditions.

Download our heatpump fact sheet here.

Save with an iStore air to energy hot water system.pdf