Advice & guides · Air conditioning

Why is your car air con blowing warm air?

Poor cooling is a good reason to have your air conditioning checked. Low refrigerant is one possibility, but a recharge is not the answer to every cooling fault.

Describe what has changed

Is the airflow strong but warm, or is very little air coming through? Does cooling disappear after a recent recharge? Is there a smell, an unusual sound or a difference between vents? This history helps the technician understand the enquiry.

Check the normal controls described in your handbook and make sure the air-conditioning function is selected. Avoid adding refrigerant yourself before the system and the correct specification have been checked.

What a regas can do

For a serviceable system, Licence to Chill recovers the remaining refrigerant, draws a vacuum to remove air and moisture, recharges to the vehicle’s specified amount and checks cooling performance. We work with R134a and R1234yf; the correct requirements are confirmed from the vehicle.

A recharge restores the specified refrigerant charge. It does not mend leaking pipework, repair a failed component or resolve every electrical problem. If a fault is suspected, we explain what further work may be needed.

What about an unpleasant smell?

A musty smell can be associated with contamination in the ventilation system or a cabin filter that needs attention. A regas replaces refrigerant; it is not a cleaning treatment and should not be sold as a guaranteed cure for smells. Tell us about the smell when you enquire so we can explain the scope of our service.

Book the appropriate service

See our Selby air-con service or Goole air-con service for home and workplace visits. Send the registration, postcode and symptoms before booking. Hybrids and electric vehicles need their suitability confirmed in advance.

Our £99.99 Chill & Check package combines air-con recharge with a 12V battery check and diagnostic scan, with printed findings. Individual services are also quoted. Any additional work or travel cost is agreed beforehand.

General guidance. Follow your vehicle handbook and seek advice for your specific vehicle.

Further reading: The AA: air-conditioning care.

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