About iStore Heat Pump Hot Water Systems
iStore builds heat pump hot water systems designed and engineered for Australian conditions. Instead of generating heat directly, as a traditional electric or gas storage system does, an iStore heat pump pulls warmth from the surrounding air and uses it to heat the water in the tank. That’s the same basic principle a fridge uses, just running in reverse, and it’s why the system can cut hot water energy use by up to 70% compared to a conventional electric storage unit.
Both iStore models run on R290, a natural refrigerant with a very low global warming potential compared to older synthetic refrigerants. They’re built with weekly anti-legionella sanitising cycles and smart anti-frost logic, so the system keeps running efficiently through cooler months without you needing to think about it.
Delivery Information
All of our Aether Australia Hot Water Systems have free delivery to Melbourne, Wollongong, Sydney, Central Coast, Adelaide, Newcastle, Perth and South East Queensland.
Browse Our iStore Hot Water Systems
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iStore 270L Heat Pump
Supply Only $3,800.00Supply & Install
NSW $3,650.00VIC $1,950.00QLD $3,750.00WA $3,390.00SA $3,500.00Add to cart Supply & Install -

iStore 180L Heat Pump
Supply Only $3,700.00Supply & Install
NSW $3,350.00VIC $1,750.00QLD $3,450.00WA $2,900.00SA $3,200.00Add to cart Supply & Install
The iStore Difference
- Genuine running cost savings: Because the unit draws most of its energy from the air rather than the grid, households typically see a real drop in their electricity bill compared to a standard electric storage tank.
- R290 natural refrigerant: Lower environmental impact than older refrigerant types, without giving up heating performance.
- Solar-friendly design: The system is PV-ready, meaning it can prioritise your rooftop solar output over grid power when both are available at the same time, turning spare solar generation into hot water instead of letting it go to waste.
- Quiet operation: Both models run quietly enough that they won’t be a nuisance to you or your neighbours, even installed close to a bedroom window or a shared fence.
iStore Supply and Installation
Same Day Hot Water Service supplies and installs both models in the iStore heat pump range:
iStore 180L Heat Pump (model PASHW008-180LD-NM) is the smaller of the two, suited to households of around two to four people. It stands 1956mm high and 540mm wide, and can be installed outdoors or indoors, provided minimum airflow requirements are met.
iStore 270L Heat Pump (model PASHW015-270LD-FL02-R290) is built for larger households, generally three to six or more people, where hot water demand is higher across the day. It stands 1955mm high and 640mm wide, with the same outdoor or indoor installation flexibility as the 180L.
Both come with a 5-year warranty on the storage cylinder and a 5-year warranty on parts and labour.
To upgrade to an energy-efficient iStore heat pump hot water system, contact us today at 1300 721 996 to schedule a consultation.
Interested in a iStore Hot Water System?
Call Same Day Hot Water Service now.
- Pricing is subject to site conditions and onsite inspection.
- Note: laundry, apartment, and cupboard installations will likely require onsite quotation and may not be subject to advertised pricing due to complexity of works.
- Supply & Install prices are for like for like installations.
- Supply & Install prices include removal of old system.
- Supply & Install products purchased by credit card are subject to an additional 1% surcharge.
- Open air free parking space will need to be provided by customer at the same location as the installation. Additional charges may apply if this cannot be provided.
- Additional ($110.00 Incl GST) cost for installation of a cold water expansion valve if required.
- Hot Water Systems may require a 20% restocking fee.
- Non 50˚C preset models require a tempering valve ($185.00 inc GST) if feeding bathrooms or general hand washing areas.
- Additional ($90.00 inc GST) cost for installation of 15mm Duo Valve if required.
- Additional ($110.00 inc GST) cost for installation of 15mm Pressure Limiting Valve if required.
- Additional ($80.00 inc GST) cost for Concrete Slab or Pizza Base if required.
- Additional ($440.00 inc GST) cost for safe tray and Mildred valve if required.