ATO depreciation rates for air conditioning assets assets in the General industry, under Income Tax (Effective Life of Depreciating Assets) Determination 2025 (LI 2025/20).
10 assets listed.
| Asset | Effective life | Prime cost rate | Diminishing value rate | Applicable from |
|---|---|---|---|---|
| Air tools (including ratchet guns) | 2 years | 50.00% | 100.00% | 1 July 2025 |
| Automatic transmission flush and fill machines | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Axle and ball joint play testers or shakers | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Battery chargers | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Battery testers | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Refrigerant leak detectors | 3 years | 33.33% | 66.67% | 1 July 2025 |
| Refrigerant management systems | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Refrigerant recovery and recycling machines | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Refrigerant recovery machines | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Vacuum pumps | 5 years | 20.00% | 40.00% | 1 July 2025 |
The effective lives shown above are determined by the Commissioner of Taxation under section 40-100 of the Income Tax Assessment Act 1997. The diminishing value rate equals 200% ÷ effective life (for assets acquired on or after 10 May 2006). The prime cost rate equals 100% ÷ effective life. You may alternatively self-assess effective life — see the ATO website for guidance.