We keep t-stat at 77 during the day and 75 at night between 9 pm and 6:00 or 7:00 am. Humidity level is target at 50%. Heat pump is a 2015 or 2017 Trane Heat Pump with an 18 SEER, Has a multi-stage, 2-speed condenser outside and variable speed air handler. We have yet had a day of 100F...