One of the most important factors in selecting an appliance repair service is professionalism. Professionals are licensed, insured, and know how to protect themselves against electrical shock while working on appliances. They also have specialized equipment that can diagnose problems quickly and make recommendations for repairing them. Homeowners who attempt DIY repairs may not have this knowledge or equipment. In addition, professional appliance repair services offer a variety of conveniences, including online scheduling and interactive consultations.