Licensing and Insurance The licensing and the insurance of experts providing air conditioning repair services is the first evidence of quality. The license means that the company is certified by the respective organisation to provide certain services. An insurance policy is needed to cover any damage or injuries that could potentially take place during the course of work. Ask a Few Important Questions By now, you should have narrowed it down to a couple of possibilities. The next step involves contacting the companies and asking a couple of important questions. Some of the most important inquiries you need to make before hiring AC repair professionals include: How long have you been in business and how many certified technicians work for the company? Are you available on evenings and during the weekend for emergency repairs? Is there a refund policy or a warranty, in case the AC unit malfunctions after the completion of the repairs? Can the company provide a list of references? How long will the repairs take? Will I get a written estimate and an offer before work on the repairs starts? Use the same questions to assess all of the possibilities. Apart from examining the information you get, you should also pay attention to the communication style. Both of these characteristics will determine your satisfaction with the outcome and the ease of getting your needs and preferences across.