Thermostat - Inspect for loose connections, calibration, and check for proper seal behind thermostat

Temperature - Split Measure temperature difference between supply air and return air, ideal temperature difference should be approximately 20 degrees

Return Air Grill - Check for dirt and debris and bent fins

Check Filter - Replace customer supplied filter, or clean if permanent filter

Return Air Duct - Check for dirt and debris

Air Distribution - Check for hot and cold areas

Disconnect Box - Check for discoloration on fuse holder and warped plastic

Contactor - Check for discoloration and pitting

Electrical Parts - Check for loose connections and tighten

Run Capacitors - Check capacitance and oil leakage on all capacitors

Compressor - Check starting, running amps, and terminals

Freon - Will add up to one pound if needed

Safety Control - Inspect and test

Condenser Motor - Check amperage, maximum amperage rating, check motor shaft for play in sleeve bearing, check retaining ring for excessive play, check for oil leakage from motor

Fan Blade - Check blade for proper balance

Condenser Coil - Check for damaged fins, and debris

Blower Motor - Check amperage, maximum amperage rating, check for oil leakage from motor, check motor shaft for play in sleeve bearing, check retainer ring for excessive play, check blower wheel, balance and clear away any dirt build-up

Evaporative Coil - Inspect coil for any restricting debris and dirt

Condensate Drain - Inspect drain line and pan for buildup

Metal Duct Work - Inspect elbow/plenum for air leakage