Clean or replace supplied air filter

Replace supplied batteries in t-stat

Inspect dampers and air balance

Check air conditioner temperature drop

Clean HVAC condensation drain line

Clean inside cabinet as needed

Check air conditioning safety features

Check indoor coil for restrictions

Check air conditioner capacitors

Check electrical connections

Check refrigerant charge

Check ac air conditioning starting functions

Clean air conditioning condensing coil

Check fins of condensing unit

inspect contactor for wear

Clean outside cabinet as needed

Check ac air conditioning supply voltage