Air conditioning systems are essential for maintaining comfort and indoor air quality, especially during hot months. An AC breakdown can quickly turn a comfortable home into an uncomfortable ...

How does a tech know the a/c compressor he or she is diagnosing is actually failed and that the problem is not a crankcase heater, condenser fan, or rubbed out wire? According to the contractors The ...

In this troubleshooting situation you have responded to a complaint that a 4-ton package unit air conditioner is not cooling. When you arrive, you find that the indoor air handler is running, the ...

High temperatures tend to reveal issues in the AC systems that were not visible during the colder seasons, and most homeowners only find out about weak airflow or uneven cooling when daily use becomes ...

Last month we discussed air-conditioning troubleshooting and how you can diagnose many of these problems yourself, including: • The need to have the old refrigerant reclaimed and the new refrigerant ...