It is generally not recommended to replace a capacitor with a higher capacitance rating unless specifically advised by the manufacturer or a qualified technician. Capacitors in air conditioning systems are designed to meet specific electrical requirements and changing the capacitance value can affect the performance and potentially damage the system.
The capacitance rating of a capacitor determines its ability to store and release electrical energy. A higher capacitance value could alter the timing and efficiency of the system's electrical components, potentially leading to issues such as motor overheating or compressor damage.
If you believe there is an issue with your air conditioner's capacitor, it is best to consult a professional HVAC technician who can properly diagnose the problem and recommend the correct replacement part. They will have the necessary expertise to determine if a higher capacitance capacitor is suitable for your specific system.