Came out due to 2 bedrooms not keeping up in the heat of the day, upon arrival performed checklist by checking duct work, motors, voltages, amperages, drain lines, float switch, delta t, capacitors, contactor, condenser coil cleanliness. While performing checklist found that system was double filtered, one in the filter grille and one up at the unit, took filter out of filter grille and let client know what happens when it is double filtered like that, also found that the 2 rooms in question normally left their doors closed, let client know that with the doors closed there is no way for the system to circulate the ambient heat out of the room therefore without air circulation those rooms would not be able to cool. Also found that 9” duct that feeds those 2 rooms is at the beginning of the plenum so if by removing that one filter and keeping those doors open during the day that we would need to move into adding manual dampers into the system and then performing an air balance to force m