Summer has arrived, and one of the most frustrating issues is an air conditioner that won't cool. Based on years of experience, our XiaoYiJiang technicians have identified 5 common reasons for this problem: 1. **Clogged Air Filter:** A filter not cleaned for a long time severely restricts airflow, reducing cooling efficiency. We recommend cleaning it monthly. 2. **Low Refrigerant:** AC units older than 3 years may leak refrigerant and require professional detection and refilling. Our technicians carry specialized equipment to accurately determine if recharging is needed. 3. **Poor Outdoor Unit Heat Dissipation:** Obstructions or excessive dust around the outdoor unit can lower heat dissipation efficiency. Ensure at least 50cm of clearance around the unit. 4. **Compressor Failure:** As the core component, the compressor requires professional repair if it makes unusual noises or fails to start. We offer replacement with genuine parts. 5. **Thermostat Malfunction:** Deviations in the temperature sensor can cause frequent cycling or insufficient cooling, requiring calibration or replacement. If your air conditioner isn't cooling, call our service hotline at 400-1060-908. We respond within 30 minutes and dispatch a technician within 2 hours.
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