The HelloNation article concludes that when an A/C system blows hot air, the cause is often related to low refrigerant levels, leaks, a failing compressor, or restricted airflow. By addressing these ...

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 ...

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 ...