Performed annual tune-up on 2-year-old furnace. Verified proper operation with satisfactory temperature rise and gas pressure readings. Completed standard maintenance including electrical component inspection, air filter check, removal of debris from air intake, and condensate system cleaning. Tested condensate pump functionality. Customer requested quote for duct cleaning services.
Diagnosed 5-year-old HydroTherm boiler with no heat issue. Investigation revealed disconnected thermostat wire that wasn't properly secured in terminal. Repaired connection by properly inserting wire into terminal, restored signal path from thermostat to control system. Tested full system operation after repair, confirming proper ignition sequence and normal heating function.
