Auto Air Conditioning in Atherton

There are several reasons your air conditioning might stop blowing cold. The most common is low refrigerant gas, often caused by a slow leak in the system. Other possibilities include a worn-out compressor, a blocked or damaged condenser, or issues with the blower fan or electrical controls. In some cases, dirty filters or cabin airflow obstructions can also reduce cooling performance. If your system takes a long time to cool down, makes unusual noises, or blows only warm air, it’s time for a professional inspection. Prompt servicing ensures your system stays efficient, comfortable, and prevents more costly repairs from developing.

Most manufacturers recommend servicing your car’s air conditioning every 1–2 years, even if it still seems to be working well. Over time, refrigerant gas naturally leaks from the system, reducing efficiency. Regular servicing includes checking for leaks, re-gassing (refilling the refrigerant), testing components like the compressor and fan, and cleaning filters. If you live in a hot climate or use the system year-round, more frequent checks may be beneficial. Keeping your air con system maintained not only ensures comfort but also helps avoid bigger issues like compressor failure, which can be costly to repair or replace down the line.

Re-gassing refers to removing the old refrigerant from your car’s air conditioning system and replacing it with new gas to restore optimal cooling performance. During the process, a technician will first recover and weigh the existing refrigerant, vacuum the system to remove moisture or air, check for leaks, and then recharge it with the correct type and amount of gas. The system is then tested for temperature output and pressure balance. Re-gassing is a normal part of air conditioning maintenance and should be done approximately every two years, or sooner if the system is no longer cooling effectively.