condenser unit maintenance

Why Is My AC Blowing Warm Air? A Quick Overview and First Steps When an AC blows warm air, the cause is often simple, sometimes serious. In our experience, most issues trace to preventable basics: clogged filters, dirty coils, blocked drains, or thermostat and fan settings. More complex faults include refrigerant leaks, electrical problems, or a failing compressor. Think of airflow like breathing ...