Customer concerned about unit not cooling bedroom well. Checked thermostat location and filter location. Has 7â€ supply duct and cell wall return. Unit has 4â€ block filter in attic. Checked ductwork connections and inspected ceiling height in bedroom. Estimate for new 8â€ duct supply. 50â€™ long with new box and grille. Estimate for new tribox (8,8,8,5) with new flex and supply boxes. 14â€ supply duct. Estimate for new 9000k mini split system for bed room wall. Will need mini split drain pump.