Silver club jewel tuneup for heating and cooling system on 2008 American Standard equipment. The filter needs to be changed, will come back on Monday, 9/21/20 to replace 4x16x25 filter. Left a 1†filter in place for the weekend. Washed condenser. Checked capacitors. Checked flame sensor, flue, contactor, evap coil and blower. Cleaned flame sensor and crossover points. Cleaned out blower cabinet. Cycled system in cooling and heating. Checked inside delta temps, and heat rise. Checked outside delta temps and refrigerant charge. System is working well at this time. Arrived Monday, 9/21/2020 and replaced fresh 16x25x1 filter. Customer would like to be direct billed for filter.