About Appliance Master ®: . Appliance Master ® has been in business over 30 years supplying professional appliance repair with outstanding customer service. Homeowners appreciate the accessibility of scheduling their appointment online at a suitable time that serves them perfectly. All appliance service technicians are certified master technicians who show up in distinctly marked vehicles, completely stocked with appliance parts to provide same day service in most cases. Appliance repair contractors are pleasant, upfront, background screened, drug tested and well insured so the customer can enjoy peace of mind.