Common air conditioner repairs include fixing refrigerant leaks, replacing or cleaning air filters, repairing or replacing faulty thermostats, and addressing issues with the condenser or evaporator coils. Other frequent repairs involve fixing electrical problems, such as faulty wiring or capacitor issues, and unclogging or repairing drainage systems to prevent water leaks. Regular maintenance can help identify and address these common issues before they lead to more significant problems, ensuring your air conditioner operates efficiently and effectively.