a compressor, a condenser coil and an evaporator coil. These components work together to quickly convert the refrigerant from gas to liquid and back again.

The HVAC technician will then inspect the unit and check for any leaks or other issues the repair work may have caused. They will also perform an energy efficiency test to ensure that your AC runs as efficiently as possible.

The most frequent reasons include improper installation or faulty parts, inadequate maintenance and lack of proper diagnosis prior to the repairs being done.