Work Performed: Completed full maintenance on 2009 mid-efficiency 2-stage furnace. Results: - Furnace operating normally and within specifications. - Unit is in decent condition for its age. - No safety or performance issues observed at this time. Furnace Maintenance Checklist: • Checked thermostat operation • Verified blower motor amperage and condition • Inspected burners and flame pattern • Checked ignition system and flame sensor • Verified gas pressure and manifold settings • Inspected heat exchanger and venting for signs of wear or cracks • Checked filter condition • Verified limit and safety switch operation • Measured temperature rise within manufacturer specs • Confirmed proper operation through complete heat cycle