HVAC system replacement cost in Perth, AU
High buyer appeal
In Perth, AU, a midrange hvac system replacement typically costs around A$16,300 — about 7% above the national average, reflecting local labour and material prices. On average it recoups about 60% of its cost at resale.
Perth has become Australia's second-most expensive city to build in after Sydney, with the mining sector competing for trades and Western Australia's isolation adding freight cost to nearly every material.
Local cost factors in Perth, AU
- Mining-sector labour pull
- The resources sector competes hard for skilled trades, tightening availability and lifting rates.
- Isolation & freight
- Western Australia's distance from eastern supply hubs adds freight cost to nearly every material.
- Hot, dry climate
- Intense summer heat drives demand for efficient cooling, insulation and heat-tolerant exterior materials.
| Estimated cost in Perth, AU | A$16,300 |
| Typical range | A$13,800 – A$18,700 |
| Resale value added | A$9,800 |
| Cost recouped (ROI) | 60% |
| National average (for comparison) | $10,000 |
What's included
- Removal of old equipment
- New high-efficiency furnace / heat pump / AC
- Ductwork checks and adjustments
- Thermostat and commissioning
Pro tip: An end-of-life system is a negotiating lever for buyers; replacing it mainly protects your price rather than lifting it.
What affects the cost of a hvac system replacement
- System type & size
- Furnace, AC, heat pump or full system — and correctly sized capacity for the home — set the base cost.
- Efficiency tier
- Higher-SEER and heat-pump systems cost more upfront but lower running costs and may earn rebates and tax credits.
- Ductwork
- Repairing, resizing or adding ducts and zoning is a major cost beyond the equipment itself.
- Electrical / fuel changes
- Switching from gas to a heat pump can require electrical panel upgrades, adding to the project.
Estimate your hvac system replacement in Perth, AU
Adjusts benchmark costs to your currency and regional cost level.
How it compares
Every project ranked by how much of its cost you recoup at resale, at your settings. Your pick is highlighted.
HVAC system replacement in Perth, AU: common questions
General guidance for hvac system replacement projects — figures quoted are national averages; see the table above for Perth, AU estimates.
How much does HVAC replacement cost in 2026?
About $10,000 on average, from roughly $6,000 for a single component to $18,000+ for a full system with ductwork changes.
Does a new HVAC system add value?
It recoups around 60% of its cost directly, but a modern, efficient system removes a major buyer and inspection concern — a dying system can stall a sale.
Is a heat pump worth the extra cost?
High-efficiency heat pumps cost more upfront but cut energy bills and often qualify for federal tax credits and utility rebates, improving the net cost.
How long does an HVAC system last?
Furnaces typically last 15–20 years and AC units 12–17. Replacement before failure lets you plan rather than react during a heatwave or cold snap.
Other locations
Regional figures apply a local cost adjustment to national midrange averages and are planning estimates only — confirm with local contractor quotes. Not financial or real-estate advice. Reviewed June 2026. See our full methodology →
Plan the whole project
Renovation Planner Pro tracks budget, quotes, payments and ROI in one workbook.
See Planner Pro →