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· Clean and adjust burner assembly
· Clean ignition assembly
· Clean heat exchanger or elements
· Monitor flue draft
· Monitor refrigerant pressure
· Test starting capabilities
· Test safety controls
· Clean or replace air filters
· Clean and adjust blower components
· Measure for correct air flow
· Tighten electrical connections
· Measure volts / amps
· Lubricate all moving parts
· Adjust thermostat calibration
· Clean evaporator coil if accessible
· Clean condenser coil
· Clean condensate drains
· Measure temperature difference
· Apply protective coating to outside unit |