
5 Reasons Your Car A/C Isn't Cooling — Even During UAE Winter
Winter in the UAE may be cooler, but your car's A/C still does a lot of work. Drivers use it daily for defogging, humidity control, and fresh airflow — so when the A/C suddenly starts blowing warm or weak air, it becomes annoying (and unsafe when windows fog up).
Here are the most common reasons your A/C stops cooling properly, even in winter.
1. Low A/C Gas (Refrigerant Leak or Natural Loss)
Low gas isn't a seasonal issue — it can happen anytime.
Refrigerant levels drop due to:
- Tiny leaks in pipes
- Loose fittings
- Wear and tear over time
With low gas, the A/C can't produce cold air, even in winter.
Fix:
Get an A/C gas top-up and a leak inspection to prevent recurring issues.
2. Blocked Cabin Air Filter
Winter = more dust + moisture = faster filter clogging.
A dirty filter means:
- Weak airflow
- Poor cooling
- Foggy windows taking longer to clear
Fix:
Replace the cabin filter every 10,000–15,000 km, or earlier if you drive in dusty areas.
3. Faulty A/C Compressor
Even in winter, the compressor still runs when you switch on the A/C or defogger.
If it's weak or failing, you'll notice:
- Warm air
- No cooling even on max
- Metallic or clicking noises
Fix:
Have the compressor checked before the issue spreads to other A/C components.
4. Condenser or Evaporator Issues
These parts handle heat transfer.
During winter, moisture and dust can lead to:
- Reduced cooling
- Slow temperature drop
- Strange smells
Fix:
Cleaning and inspecting the condenser/evaporator keeps the cooling system efficient.
5. Electrical or Sensor Problems
Modern cars rely on sensors to regulate the A/C.
If a sensor malfunctions, you might get:
- Intermittent cooling
- Warm air at random times
- A/C shutting off unexpectedly
Fix:
A quick diagnostic scan usually finds the sensor or wiring fault.
Signs Your A/C Needs Immediate Attention
- ✔ Weak or uneven cooling
- ✔ Foggy windows that don't clear fast
- ✔ Musty smell from vents
- ✔ Warm air when driving slowly
- ✔ Water leaking inside the cabin
A small A/C issue can grow into a bigger repair if ignored.
Carmate Can Fix Your A/C — Quickly and Properly
At Carmate Auto Care, our A/C specialists handle full system checks and repairs to keep your car comfortable all winter:
- ✔ A/C gas top-up & leak testing
- ✔ Cabin filter cleaning & replacement
- ✔ Compressor repair & replacement
- ✔ Condenser & evaporator cleaning
- ✔ Complete A/C diagnostics
- ✔ Defogging performance improvement
Whether your A/C feels weak, inconsistent, or completely warm, Carmate will restore your cooling so your drives stay clear, fresh, and comfortable all winter.
We strive to be the best car garage in Dubai and the best car garage in Abu Dhabi for all your needs.
At Carmate, your car gets the care it deserves — inside and out.
Need Expert Car Service?
Don't wait for problems to get worse. Contact CarMate today for professional automotive care.

