iStore Heat Pump Hot Water
Australian company offering affordable integrated heat pumps. The iStore has gained popularity as a budget-friendly option, especially for households looking to maximise rebate value. Simple installation process.
iStore hot water heat pump price (2026)
Out-of-pocket assumes federal STCs + a typical state-level top-up. Victorian households can stack up to $2,700 in rebates ahead of the 2027 gas ban; NSW, SA and ACT have their own top-ups. Cheapest model: iStore 180L from $2,800. Largest: iStore 270L up to $4,000. Lowest running cost across the range: ~$340/yr.
Available Models
iStore 270L
iStore 180L
Pros
- Most affordable option
- Australian company
- Simple installation
- Good rebate value (low cost means rebates cover more)
- Widely available
Cons
- Lower COP than premium brands
- Shorter warranty
- Noisier than split systems
- Higher running costs long-term
Best for
Budget-conscious households wanting maximum rebate impact and simple installation
Check iStore rebates in your state
Federal STCs plus state rebates can knock up to $2,700 off the installed price.
iStore hot water heat pump FAQ
How much is a iStore hot water heat pump installed in 2026?
A iStore hot water heat pump costs $2,800 - $4,200 fully installed in Australia before rebates. The cheapest model (iStore 180L, 180L) starts at $2,800; the largest (iStore 270L, 270L) tops out around $4,000. After stacking federal STCs (worth $560-$680 depending on the model and your climate zone) and state-based rebates, most households pay $1,500-$3,500 out of pocket.
Is iStore a good heat pump brand?
Australian company offering affordable integrated heat pumps. The iStore has gained popularity as a budget-friendly option, especially for households looking to maximise rebate value. Simple installation process. iStore is best suited to budget-conscious households wanting maximum rebate impact and simple installation.
What rebates can I claim on a iStore heat pump?
Every iStore model attracts federal Small-scale Technology Certificates (STCs) worth $560-$680 at point of sale. On top of STCs, Victorian households can stack the Solar Victoria Hot Water Rebate ($1,000-$1,400) and Victorian Energy Upgrades discount ($500-$2,000) to reach up to $2,700 in rebates. NSW (PDRS), SA (REPS), and ACT (Sustainable Household Scheme) have their own state-level top-ups. Your installer applies the discounts at quote time so you do not chase paperwork.
What is the warranty on a iStore heat pump?
iStore backs its tanks with a 5-year warranty and the compressor with 5 years. Workmanship cover for the install itself comes from your installer separately and should be at least 12 months. Warranty claims require the system to have been installed by a licensed plumber and serviced according to the manual.
How efficient is a iStore heat pump?
The iStore 270L runs at COP 3.2 (every 1 kWh of electricity input produces 3.2 kWh of heat output). Annual running cost is around $400 for a 3-5 person household, compared to roughly $700/year for gas storage and $900/year for old-school electric resistive storage.
How long does a iStore heat pump last?
Modern hot water heat pumps last 12-15 years on average in Australian conditions. Tank life depends on water hardness (sacrificial anode replacement every 5 years extends life). Compressor life is the limiting factor and typically matches or exceeds the warranty period when the unit is correctly sized and serviced.
iStore vs other brands: which should I pick?
iStore sits at the budget end of the Australian market. It is the entry-level pick for households watching the upfront price. See the side-by-side comparisons below for direct head-to-head specs.
Compare with other brands
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