COOLING PROBLEMI respond to your e-mail inquiries, but please give me enough information of the symptoms to be able to assist you properly.
Supply me accurate temperatures of air entering and leaving all pieces of equipment, gauge pressures if you can get them, indoor temperature, outside temperature and temperature of the copper tubes at the outside unit.
Describe what your equipment looks like and its condition and age and what the thermostat looks like and its system options.
The more elaborate your details, the more likely I am to give you good information in return.