When to replace rather than repair your AC
If your unit is over 10 years old and breaks down more than once a year, replacement is usually cheaper than ongoing repairs. Warning signs: weak cooling even after gas top-up, compressor noise, condensation on walls.
AC replacement costs in Dubai 2026
Split unit 1.5 ton (18,000 BTU) with installation: 2,500–4,500 AED. Cassette unit for office: 5,000–12,000 AED. Central system for a villa: 15,000–50,000 AED. Best value brands in Dubai: Daikin, Mitsubishi, LG.
What installation includes
- Removal of the old unit
- Installation of new indoor and outdoor units
- Pipework and cabling
- Gas charge
- Test run and commissioning
How to choose the right capacity
Standard calculation: 1 ton of cooling per 15–18 m² at 3m ceiling height. In Dubai add 20% for the heat load. A 20 m² bedroom needs at least 1.5 tons.
Maintenance tips after replacement
Clean filters every 2–3 weeks. Service annually before summer. Dubai Vista handles AC replacement and servicing with same-day availability.