Amazing that you got that "lint brush" so nice and clean. Good job. Took a while, did it?
My favorite lint to pick out of the Trane/American Standard lint brush is cottonwood fluff.....
Which makes more sense to you? CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10% ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%
I always took off the two ends of a Trane condenser and with a water hose only, cleaned the two ends and just sprayed up the louvers for the other two sides. It got the coil clean enough to work sufficiently.
As iron sharpens iron so one man sharpens another Proverbs 27:17 NIV84