Inspect entire furnace for safety issues

Inspect heat exchanger and vacuum out minor rust deposits

Pull Blower assembly or inspect the blower wheel and motor

Visual inspection of evaporator coil

Inspect and clean burners

Vacuum out minor rust around burners

Check ignition controls

Clean flame sensor

Measure temperature rise

Measure blower amps

Check blower capacitor

Inspect flue pipe

Test main limit switch

Test flame rollout switches

Test all Safety controls

Test gas valve operation

Check gas connections at furnace

Check and adjust gas valve pressure (if necessary)

Test fan control

Test door switch

Check and tighten all electrical connections

Check and tighten low voltage connections

Measure high voltage to furnace

Test inducer assembly

Test pressure switch

Check thermostat operation

Inspect ductwork

Replace standard 1 inch pleated filter

Update inspection label

Clean up after completion of tune-up