Responded to service tech referral for 21-year-old Carrier furnace system experiencing multiple component failures, including failing control board. Performed comprehensive system assessment and completed full heat loss calculations for replacement sizing, accounting for building envelope factors including wall insulation values, ceiling R-values, window configurations by orientation, door specifications, and infiltration loads. Documentation indicates required BTU input capacity of 70,000 BTU with total calculated heat load of 64,252 BTU after applying appropriate safety factors. Photographed existing equipment configuration showing Rheem ductwork connections, air handler internal components, and temporary flexible duct connections secured with tape, indicating system modifications or previous repair attempts.

Responded to callback for failed fireplace inspection requiring multiple code compliance corrections. Documented existing deficiencies including missing fire caulk at penetrations, inadequate strapping, gaps around flue penetrations, wiring positioned too close to flue pipe, and compromised roof flashing with small holes. Photographed unfinished attic space showing HVAC ductwork installation area and structural framing where fireplace system penetrates ceiling, capturing evidence of code violations for contractor reference and subsequent remediation work.

Completed preventative maintenance tune-up on 21-year-old HVAC system located in hallway. Performed comprehensive inspection of air handler unit, which showed significant dust accumulation on ductwork and casing surfaces requiring attention. Inspected control board and electrical connections, verifying proper operation of all relays, capacitors, and integrated circuits. All wire terminations at terminal blocks were secure with no signs of overheating or damage. System tested and operating within normal parameters with no reported issues from customer prior to service.