Performed a complete heating system maintenance and inspection. Inspected and tested all electrical components and safety controls on the indoor unit; all components tested within manufacturer specifications. Verified system temperatures: return air temperature measured at 76°F; supply air temperature measured at 102°F and rising. Confirmed air filter needed to be changed. Filter size Aprilaire 910 Inspected and tested all electrical components on the outdoor unit; all components tested within manufacturer specifications. Confirmed system was operating properly and heating upon departure. System Status: Operating normally at time of service.
