Posts Tagged: intermittent AC fix

AC Blows Cold, Then Warm: Here’s What’s Wrong

What Causes AC to Blow Cold Then Warm Intermittently Quick Summary If your AC blows cold then warm intermittently, that almost always comes down to pressure, airflow, or control issues. The most common causes I see are low refrigerant, a failing AC compressor clutch, a weak or non-functional condenser fan, or a restriction in the system. I always diagnose this by watching pressures, compressor operation, and airflow—not by guessing or just adding refrigerant. Why Your AC Blows Cold Then Warm Intermittently Your AC system works by compressing refrigerant vapor, cooling … Read More