TESTED SYSTEM NOT COOLING WELL FOR WHOLE HOME. FOUND UNIT IS LOW ON REFRIGERANT BY ABOUT 2 LBS. WE CAME OUT ABOUT A YEAR AGO & UNIT WAS AT THE SAME PRESSURES. CONDUCTED ELECTRONIC LEAK SEARCH & COULD NOT FIND ANY LEAKS @ INDOOR OR OUTDOOR UNITS. THIS 2.5 TON UNIT NEEDS 1000 CFM OF AIR, DUCTWORK IS ONLY BIG ENOUGH TO MOVE 700 CFM, SYSTEM LACKING FLOOD PROTECTION & NO DISCONNECT BOX FOR POWER IN CLOSET.