Arrived to do performance maintenance. Set up for combustion analysis and static pressure tests. Reached out to a supervisor to come out and diagnose the high static pressure Monday morning. Verified operation of all mechanical and electronic components in the furnace. Cleaned the flame sensor and tested its performance. Checked blower for cleanliness and to see if there is any play in the bearings. Checked systems heat exchanger to ensure proper venting of flue gas. Performed an electronic gas leak search. Verified operation of the electronic components of the condenser. See estimates for pricing on recommended repairs. Furnace is operational upon departure.