A split-system air conditioner can cool efficiently for years, but only if it’s maintained correctly. In Los Angeles, where AC often runs for long seasons, routine service helps prevent weak airflow, bad odors, higher electric bills, and sudden breakdowns. This guide explains what proper split-system maintenance includes and what typical mistakes homeowners make. Cleaning is the foundation. Start with indoor unit filters: clogged filters restrict airflow and force the compressor to work harder. Next, technicians clean the evaporator coil, blower wheel, and condensate tray to reduce dust buildup, mold, and drainage issues. Outside, the condenser coil should be washed and cleared of debris so heat can dissipate properly. Freon “top-ups” should never be routine. Refrigerant does not get used up; if levels are low, there is usually a leak. A professional service includes pressure checks, temperature measurements, and leak detection before any recharge. Correct charging depends on refrigerant type, system specs, and operating conditions. Common mistakes include overcharging refrigerant, ignoring drainage clogs, using harsh chemicals on coils, skipping electrical checks, and hiring unlicensed providers. In our Los Angeles HVAC & air conditioning business directory, you can compare local specialists, read reviews, and contact verified pros for cleaning, diagnostics, and safe refrigerant service.
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