Hot water is one of the biggest energy users in the home. A heat pump system can slash that cost — here is how the technology works and why it pays off.
Hot water is a hidden energy cost
For many Australian homes, water heating is one of the largest slices of the energy bill. Switching to a more efficient system is one of the simplest ways to cut that cost — and a heat pump is among the most efficient options available.
How a heat pump works
Rather than using electricity to heat water directly (like a conventional electric element), a heat pump moves heat from the surrounding air into the water tank. Because it transfers heat instead of generating it, it can use up to four times less energy for the same amount of hot water.
Think of it like a reverse refrigerator — it's a well-proven, efficient technology.
Why it pays off
- Lower running costs — typically a fraction of a conventional electric system
- Pairs brilliantly with solar — run it during the day on your own solar energy
- Rebate-eligible — eligible Victorian households can access hot water rebates
- Lower emissions — less energy used means a smaller footprint
Is it right for your home?
Heat pumps suit most homes, but the ideal size and model depend on your household size, hot water habits and where the unit will be installed. A quick comparison gives you a tailored recommendation.
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Frequently asked questions
How much can a heat pump hot water system save?
Because a heat pump moves heat rather than generating it, it can use up to four times less energy than a conventional electric system — translating into significantly lower running costs, especially when paired with solar.
Are heat pump hot water systems eligible for rebates?
Yes — eligible Victorian households can access hot water rebates under Solar Victoria’s Solar Homes Program. Eligibility and amounts apply and may change, so check your current eligibility.
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