Customer had concern regarding the upstairs being warmer than the downstairs, thermostat is located in lower level and satisfying before upstairs can properly cool. Thermostat relocation or zone system would be only options to fix. Me. Saha noted that she has gotten a price for that but is happy to learn why it feels like that. Checked pressures and pressures are good 116/329 , 3 ton R 410A system. Subcool at 10.5, no leaks detected.