Why Is My AC Running All the Time?
Intro
If your AC runs nonstop, it may still not be cooling well.
What This Problem Means
The system cannot reach the set temperature.
Common Causes
Dirty filter
Low refrigerant
High heat load
Poor insulation
Old equipment
Safe Things a Homeowner Can Check
Change air filter
Keep doors and windows closed
Set thermostat to steady temperature
When to Call a Professional
Long run times shorten system life.