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How do you tune up an air conditioner?

Check and calibrate the thermostat. As needed, clean or replace the standard 1” filter. The fan motor has a volts/amps monitor on it. Check bearings for wear. ... If accessible, inspect indoor coil. ... Take a look at the drain drain. ... The condenser coil needs to be inspected. The operating pressure of the refrigerant should be monitored.

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