Based on the information available, there isn't one single 'best' automatic power factor panel repair service that stands out globally or nationally. The quality of service is highly localized and depends on several factors. However, the best repair services share a number of common characteristics: Specialized Expertise: The top repair providers are not general electricians. They are companies with specialized knowledge in power quality, and specifically, in the components and functioning of APFC panels. They are proficient in diagnosing issues with capacitors, power factor controllers (like those from Epcos or Schneider), contactors, and relays.Reputation and Reviews: A strong local reputation is key. Online platforms like Justdial and IndiaMART show that many highly-rated repair services are local businesses with positive customer feedback for their promptness, professionalism, and effective solutions. For example, some companies in the Gurugram area have excellent reviews for their electrical panel work and after-sales service.