Australia's Best Heat Pump 2021-2025
iStore Heat Pumps
Green Sun Solutions offers a range of Hot Water Heat Pump. We have partnered with iStore as our trusted system supplier, offering only what we believe to be the best solution for your home.
iStore 180L Heat Pump Hot Water System
A compact, energy-efficient hot water solution designed for smaller households. Save money, reduce emissions, and enjoy reliable hot water year-round.
The iStore 180L Heat Pump Hot Water System is the smart choice for households of 2–3 people. Using advanced heat pump technology, it can reduce your hot water energy use by up to 70% compared to conventional electric systems, and more on gas heating systems. Compact, quiet, and built with eco-friendly R290 refrigerant, it delivers reliability, remarkable savings, and sustainability in one sleek package.
A significant reduction in running costs while providing a sustainable source of hot water
The iStore reduces energy consumption by two thirds when compared to conventional electric or gas storage systems, all while reducing the Co2 emissions of your home by as much as 2.9 tonnes annually.
iStore 270L Heat Pump Hot Water System
The iStore 270L Heat Pump is a premium hot water system engineered for larger households, delivering exceptional efficiency and cost savings.
Using advanced air-to-energy technology, it captures ambient heat and transfers it into water—making it an affordable and sustainable alternative to electric or gas storage systems. Plus, it works seamlessly with your solar PV setup to make the most of your clean energy.
- Massive capacity for families – A 270 L tank meets the needs of households with 3–6+ members.
- WiFi-Ready – Connect, monitor, and control your heat pump via the iStore app for effortless temperature adjustment, scheduling, and performance tracking from your phone.
- Up to 70% energy savings – Cut hot water electricity costs significantly with COP ratings between ~4.0 to 4.8.
- Smart solar integration – Acts as a cost-effective energy storage solution by using excess solar to heat water instead of expensive batteries.
- Smart and quiet operation – Built-in timer controls and low-noise design make it simple to live with.
- Robust Australian warranty – Full 5 years comprehensive parts & labour
- Eco-friendly refrigerant – Uses R290 natural refrigerant for higher efficiency and lower environmental impact.
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