About us Expert Services - Plumbing, Heating, Air & Electrical Expert Services - Plumbing, Heating, Air & Electrical is a full service Plumbing, Heating, Air & Electrical contractor. From a new build to repairing systems in 150 year old buildings, Expert can handle the task. Expert has been providing expert service with licensed, bonded and insured technicians that must pass in-depth background checks, drug tests, and must meet certain levels of expert experience in their respective trade or field. When you hire a technician from Expert Services, you can rest assured that you will get some of the industries best.