Hire top-rated heat pump installers across Australia
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How many heat pump hot water units need installing or replacing?
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$3,542 – $7,576
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Heat pump installers based in each state and territory.
- Australian Capital Territory0heat pump installers based here
- New South Wales0heat pump installers based here
- Northern Territory0heat pump installers based here
- Queensland0heat pump installers based here
- South Australia0heat pump installers based here
- Tasmania0heat pump installers based here
- Victoria0heat pump installers based here
- Western Australia0heat pump installers based here
Learn the rules for hiring heat pump installers in your state
Licences, contracts and deposits for heat pump work differ across the country. Check yours before you sign.
| Rule | NSW | VIC | QLD | SA | WA | TAS | NT | ACT |
|---|---|---|---|---|---|---|---|---|
| LicenceWhat the register calls it | Contractor licence (refrigeration work or air-conditioning work) | Plumbing registration or licence (water supply work; refrigerated air-conditioning work) | Contractor licence (Mechanical services—air-conditioning and refrigeration) | Building work contractor's licence | Refrigeration and Airconditioning Mechanic's Licence (restricted electrical licence) | Plumbing contractor licence | Electrical contractor licence | Electrician licence |
| Licence needed fromJob value that triggers it | Any job value1 | Any job value2 | Over $3,3003 | Any job value4 | Any job value5 | Any job value6 | Any job value7 | Any job value8 |
| Check the registerThe official public register | Building Commission NSW register | Building and Plumbing Commission register | Queensland Building and Construction Commission register | Consumer and Business Services register | Building and Energy (WA Department of Local Government, Industry Regulation and Safety) register | Consumer Affairs Tasmania register | NT WorkSafe register | Access Canberra — ACT Construction Occupations Registrar register |
| Written contractRequired above | Over $5,000 · large job contract over $20,0009 | Over $10,00010 | Over $3,300 · Level 2 regulated contract (full written contract) from $20,000 | From $20,000 | Over $7,500 | From $20,000 | Does not apply | Does not apply |
| Deposit capMost you can be asked for | Up to 10%9 | Not listed | Not listed | Up to 5%11 | Up to 6.5%12 | Not listed | Does not apply | Does not apply |
| Warranty insuranceBuilder must hold it above | Over $20,000 · minimum cover $340,0009 | Over $20,00010 | Does not apply | From $20,000 · minimum cover $250,000 | Does not apply | Does not apply | Does not apply | Does not apply |
| Cooling-offAfter you sign | 5 business days · on contracts over $20,000139 | 5 business days · on contracts over $10,00010 | 5 business days · on contracts over $3,300 | 5 business days · on contracts over $20,000 | Does not apply | 5 business days · on contracts over $20,000 | Does not apply | Does not apply |
- 1NSW · Licence needed from: The licence also covers the electrical wiring for the heat pump.
- 2VIC · Licence needed from: A heat pump water heater needs a plumber registered for water supply work. Split systems with refrigerant pipework also need refrigerated air-conditioning accreditation.
- 3QLD · Licence needed from: The electrical connection needs an electrician. The water connection needs a licensed plumber. Synthetic refrigerant work needs an ARC licence.
- 4SA · Licence needed from: The electrical connection also needs a registered electrical worker. A heat pump hot water system needs a registered plumber.
- 5WA · Licence needed from: New fixed wiring needs a licensed electrician. Handling refrigerant needs a refrigerant handling licence.
- 6TAS · Licence needed from: Installing or servicing a heat pump needs a plumber with a mechanical services licence. The business needs a plumbing contractor licence.
- 7NT · Licence needed from: Installing a heat pump needs an electrician with an unrestricted licence. Handling refrigerant also needs a refrigerant handling licence.
- 8ACT · Licence needed from: The wiring needs an unrestricted electrician. A hot water system needs a licensed plumber. Refrigerant needs a refrigerant handling licence.
- 9NSW · You get these protections for air-conditioning and refrigeration work on a home.
- 10VIC · A contract just for a heat pump does not get these protections. A bigger building job that includes it does.
- 11SA · Deposit cap: Applies only to contracts of $20,000 or more. Smaller jobs have no deposit limit.
- 12WA · Deposit cap: This limit applies to jobs that cost more than $7,500 and less than $500,000.
- 13NSW · Cooling-off: The price includes GST.
NSW Sources: nsw.gov.au, Home Building Regulation 2014, Home Building Act 1989. Checked 15 Oct 2026.
VIC Sources: bpc.vic.gov.au, Plumbing Regulations 2018, consumer.vic.gov.au, Domestic Building Contracts Act 1995, Building Act 1993. Checked 16 Oct 2026.
QLD Sources: qbcc.qld.gov.au, Queensland Building and Construction Commission Act 1991. Checked 16 Oct 2026.
SA Sources: cbs.sa.gov.au, sa.gov.au, Building Work Contractors Regulations 2026, Building Work Contractors Act 1995. Checked 16 Oct 2026.
WA Sources: Electricity (Licensing) Regulations 1991, wa.gov.au, Home Building Contracts Regulations 1992, Home Building Contracts Act 1991. Checked 16 Oct 2026.
TAS Sources: Occupational Licensing Act 2005, consumeraffairs.tas.gov.au, buildingstandards.tas.gov.au, Residential Building Work Contracts and Dispute Resolution Act 2016. Checked 16 Oct 2026.
NT Sources: worksafe.nt.gov.au, Electrical Safety Regulations 2024, Building Act 1993, Building Regulations 1993, Building (RBI and Fidelity Fund Schemes) Regulations 2012. Checked 17 Oct 2026.
ACT Sources: planning.act.gov.au, accesscanberra.act.gov.au, Building (General) Regulation 2008. Checked 16 Oct 2026.
What heat pump costs
Across Australia, heat pump typically runs $3,542 – $7,576 for hot water system installation, and $382 – $1,507 for heat pump hot water repair.
Local prices vary, so these are typical Australia-wide ranges. What you'll pay comes down to the size of the job, the condition of what's being worked on, and the finish you choose. Get a few quotes to see your exact number — it's free.
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