Mekina Technical Services
Technical Services Specialist
Let's be honest — you've probably already read three articles that told you to clean your filter and check the refrigerant. You're here because your AC has broken down twice this season, or it's making noises it never made before, or a technician 'fixed it' and three weeks later the problem came back.
Dubai's climate is brutal on air conditioning systems. Units run almost continuously for months in temperatures above 45°C, while dust, humidity, and voltage fluctuations accelerate wear on every component inside the system.
The Most Common Reasons AC Units Fail in Dubai

Capacitor Failure
Extreme outdoor heat destroys start capacitors quickly, especially in poorly ventilated condenser locations.
Low Refrigerant
Most systems losing cooling have hidden refrigerant leaks that were never properly repaired.
Frozen Evaporator Coil
Restricted airflow or refrigerant issues can freeze the indoor coil even during Dubai summer.
Overheating Outdoor Unit
Outdoor condensers installed in enclosed spaces struggle to release heat efficiently.

Why Dubai's Climate Destroys AC Systems Faster
Most residential AC systems globally operate 6 to 8 hours daily. In Dubai, systems often run 20 to 24 hours continuously between May and September. This nonstop operation dramatically increases thermal stress on compressors, capacitors, blower motors, and electrical systems.
Add fine desert dust, coastal humidity, and rooftop temperatures above 50°C, and even quality AC systems age much faster here than in cooler countries.
If your AC unit is over 8 years old and the compressor fails, replacement is often more cost-effective than repair. Older systems also consume significantly more electricity compared to modern inverter units, increasing your DEWA bills every month.
Explore AC Maintenance Services
Why Is Water Dripping From My Indoor AC Unit?
Indoor water leaks usually happen because the condensate drain line is blocked or the evaporator coil has frozen and started thawing. Both issues are extremely common in Dubai apartments.
If ignored, leaking water can damage ceilings, walls, furniture, and create mould problems within 24 to 48 hours. Always switch the AC off immediately if water starts dripping from the indoor unit.
Warning Signs Your AC Needs Professional Attention
Call an AC specialist immediately if you notice any of these symptoms:
- AC running constantly without cooling properly
- Warm air coming from vents
- Outdoor unit making loud humming or clicking sounds
- Ice forming on copper refrigerant pipes
- Water leaking from indoor unit
- Circuit breaker tripping repeatedly
Catching these issues early can prevent expensive compressor or PCB replacement later.
