Inspect Furnace Before First Cold Snap

Cost Savings

Checklist Tasks

• Remove access panels and inspect heat exchanger for cracks or rust.
• Vacuum blower and burner assembly to prevent dust buildup and ignition issues.
• Replace filter with correct MERV rating to maintain airflow and protect unit.
• Test thermostat for correct response and recalibrate if necessary.
• Inspect flue and vent pipes for blockages or loose joints to prevent exhaust leaks.
• Lubricate blower motor bearings if required to reduce wear and noise.
• Tighten electrical connections and check for overheating at terminals.
• Clean flame sensor and igniter to ensure consistent burner performance.
• Check for gas leaks at joints using soap solution or electronic detector.
• Test all safety shutoff switches for proper operation.
• Ensure supply and return vents are open and unobstructed throughout the home.
• Run furnace for a full cycle and listen for abnormal noises.