Air Conditioning in Melbourne 2026, Ducted AC and Split System Installation Costs, and How to Find a Reliable Installer Near You

Air Conditioning in Melbourne 2026

Melbourne's extreme temperature swings, from scorching summers above 40°C to cold winters, make reverse-cycle air conditioning the ideal year-round climate control solution. Victorian refrigeration and air conditioning installers must hold appropriate VBA and ARC tick authorisation, verify at vba.vic.gov.au. Victoria's Victorian Energy Upgrades (VEU) program provides significant rebates for replacing old inefficient heating with high-efficiency reverse-cycle air conditioning.

How Much Does Air Conditioning Cost in Melbourne 2026?

• Single split system supply and install (2.5kW, small room), typically $1,150-$2,050 in Melbourne
• Single split system supply and install (5-7kW, large room or open plan), typically $1,900-$3,700 in Melbourne
• Multi-head split system (3-4 indoor units, one outdoor unit), typically $5,200-$10,200 in Melbourne
• Ducted reverse-cycle system (3-bedroom home, supply and install), typically $8,200-$16,000 in Melbourne
• Ducted reverse-cycle system (4-5 bedroom home, supply and install), typically $11,500-$23,000 in Melbourne
• Split system service and clean (existing unit), typically $115-$215 in Melbourne
• Ducted system service (per system), typically $240-$530 in Melbourne

Melbourne's Temperature Extremes and Victorian Energy Upgrades (VEU) Rebates

Melbourne's famous weather extremes, heatwaves above 40°C in summer and cold winter nights below 5°C, mean a reverse-cycle system must perform at both extremes. Look for systems with a high heating COP as well as a high cooling EER rating. The Victorian Energy Upgrades program offers significant point-of-sale discounts on high-efficiency reverse-cycle systems, ask your installer if you qualify, as savings can exceed $1,000 on a new ducted system. vba.vic.gov.au