Completed installation of BX42NTRE fireplace unit with PRPX42 components. Installed flexible ductwork through attic space, routing ventilation between structural joists and securing all connections to manufacturer specifications. Verified proper clearances from combustible materials and confirmed all safety labels and warnings are visible and intact per code requirements.

Completed annual heating maintenance service as part of the Comfort Care maintenance plan. Performed comprehensive furnace tune-up and inspection of all HVAC equipment in basement mechanical room, including blue/gray furnace unit with PVC venting system and beige air handler. Conducted temperature differential measurements using infrared thermometer, recording supply air temperature readings to verify proper system operation. Inspected all associated components including ductwork, copper piping, expansion tank, and electrical connections. System operating within normal parameters upon completion of maintenance service.

Completed over-the-counter filter replacement service. Removed and replaced soiled air filter media showing significant dust and particulate accumulation. Documented existing filter condition with photographs before disposal and confirmed proper installation of new filtration component.