Hiring Professional Services for Air Conditioner Maintenance
When your air conditioner needs more than the regular maintenance described previously, hire a professional service technician. A well-trained technician will find and fix problems in your air conditioning system. However, not all service technicians are competent. Incompetent service technicians forsake proper diagnosis and perform only minimal stop-gap measures. Insist that the technician do the following:
Check for correct amount of refrigerant
Test for refrigerant leaks using a leak detector
Capture any refrigerant that must be evacuated from the system, instead of illegally releasing it to the atmosphere
Check for and seal duct leakage in central systems
Measure air flow through the evaporator coil
Verify the correct electric control sequence and make sure that the heating system and cooling system cannot operate simultaneously
Inspect electric terminals, clean and tighten connections, and apply a non-conductive coating if necessary
Oil motors and check belts for tightness and wear
Check the accuracy of the thermostat.