If you’re looking to replace an old electric or gas hot water system, a heat pump hot water system can be an energy-efficient option for Victorian homes.
Heat pumps use electricity to move heat from the air into your hot water tank, rather than generating heat directly like a conventional electric system.

Why Choose a Heat Pump?
A heat pump can offer:
- Lower electricity consumption than conventional electric hot water
- Lower running costs
- Good compatibility with solar PV
- A practical alternative to gas hot water
- Reduced household carbon emissions
- Government rebates and incentives for eligible households
Heat pumps can also operate during winter, although heating may take longer in colder weather.
Heat Pump Rebates in Victoria
Eligible Victorian homeowners may be able to access support through programs such as Solar Victoria and the Victorian Energy Upgrades (VEU) program.
The available rebate depends on factors such as:
- Your household income
- Your existing hot water system
- The property
- The heat pump model
- Whether the product is eligible under the relevant program
Because rebate amounts and eligibility can change, always check the current requirements before purchasing.
What Size Heat Pump Do I Need?
Choosing the right tank size depends on the number of people in your household and your hot water usage.
As a general guide:
- 180–210L: smaller households
- 250–270L: around 2–4 people
- 300–320L: larger families or higher hot water usage
For a large family, a 320L system may provide more hot water capacity and reduce the chance of running out during peak usage.
Heat Pump vs Gas Hot Water
For many Victorian households, replacing an old gas hot water system with a heat pump can reduce energy consumption and provide an efficient electric alternative.
If you already have solar panels, running the heat pump during the day can also help you use more of your own solar electricity.
Where Can a Heat Pump Be Installed?
Heat pumps are normally installed outdoors in an area with adequate airflow.
When choosing a location, consider:
- Space around the unit
- Noise
- Drainage
- Access for servicing
- Electrical requirements
- Distance from bedrooms and living areas
A licensed plumber and electrician should ensure the installation complies with the relevant requirements.
Is a Heat Pump Worth It?
For many Victorian homes, a heat pump can be a good long-term investment, particularly when replacing an old electric or gas system.
The best system depends on your household size, hot water usage, available space, solar system and eligibility for rebates.
Need Help Choosing a Heat Pump?
EvoPlumb Services Pty Ltd provides heat pump hot water installation across Victoria.
We can help you compare suitable systems, check available rebates and recommend the right capacity for your home.
Contact EvoPlumb for a heat pump hot water quote.
Rebate amounts, eligibility requirements and approved products can change. Always confirm the current requirements before making a purchase.
