This article can be a big help you understand it better.
Know what type of system you currently have before looking for a repair person. This will ensure that you to give your new contractor any information they might need.
Clean your condenser’s fan and coils when the weather begins to warm. Clean the outside of your condenser unit.
Be sure to regularly clean debris from external condenser units regularly.You never know when things can pile up, especially after a windy or rainy storm, and that can ruin your system. It can cause your system by overheating.