Furnace Maintenance – Promotional Service Equipment: Lennox Furnace (2014) Fuel Type: Natural Gas Work Performed / Inspection Checklist: • Checked and verified gas pressure within manufacturer specifications • Performed combustion analysis – readings within normal operating range • Cleaned flame sensor • Inspected and cleaned accessible tubing and drain lines • Checked temperature rise – within acceptable range • Inspected burners, ignition system, and flame pattern • combustion analysis -ok • Checked inducer motor operation and venting • Inspected electrical connections and safety controls • Verified proper furnace startup and shutdown sequence • General visual inspection of furnace condition Results: • Furnace is operating normally at time of service • No safety concerns noted • Unit passed promotional maintenance inspection Additional Notes / Recommendations: • Indoor humidity measured at 37% • Recommend installation of a whole-home humidifier to improve