Performed scheduled tune-up on 14-year-old furnace. System operational under current conditions. Noted potential deterioration and possible water damage in mechanical area requiring monitoring. Recommended continued regular maintenance to maintain system performance.
Completed routine furnace inspection on Lennox Merit Series system. Verified clean filter, good condition of flame sensor and ignitor, and solid electrical connections. Documented concerning condition of heat exchanger with photos, recommending annual monitoring. System burning safely at time of service.
Responded to service call regarding 18-year-old furnace in manufactured home producing loud buzzing noise. Diagnostic inspection revealed malfunctioning gas valve causing buzzing sound and blower motor with oil leakage. Performed complete system replacement including installation of new gas valve and blower motor to resolve noise issues and restore proper operation.