In 2026, a standard split system installation in Perth costs between $1,800 and $4,800, while reverse-cycle ducted systems range from $12,000 to $17,000+. Final pricing depends on home size, zoning requirements, and brand choice.
| AC System Type | Average Install Cost | Ideal For |
|---|---|---|
| Single Split System | $1,800 – $4,800 | Master Bedrooms / Home Offices |
| Multi-Head Split | $4,200 – $8,500 | Apartments & Limited Roof Space |
| Ducted (3x2 Home) | $8,000 – $11,500 | Small-Medium Family Homes |
| Ducted (4x2 Home) | $13,000 – $18,000+ | Large Residential Properties |
*Prices are Perth 2026 estimates including GST. Final quotes depend on site-specific electrical requirements.
Expert Insight: In Western Australia, adding Smart Zoning (like AirTouch 5) typically adds $1,500–$2,500 but can reduce running costs by 30% by only cooling active rooms.