1. Qualifications
Before calling a professional make sure that he is licensed, bonded and insured. Find a company which has trained and experienced servicing team.
2. Experience
A experience contractor or company will have the fully trained staff of technician who can repair the system of almost any brand. They also have the technology and the knowledge to handle almost any type of task.
3. Local reference
Ask from the neighbors about their AC repair experience. They can provide you right and unbiased information about the service they got from their company.
4. Specialist
A specialist will try to provide service so that your air conditioner provides maximum comfort and high efficiency. Call a company which specializes in ACs, furnace and heat pump repairs and service.