Master Tech Service Corp is a full-service mechanical contractor offering residential and commercial services throughout the greater Dallas/Ft. Worth area, as well as the Permian Basin. Our qualified technicians provide Texas homeowners and area commercial companies quality air conditioning and heating unit installation and repair and full plumbing repairs and services, including tank or tankless water heater replacements. With over 100 years of combined experience, Master Tech Service Corp. can be trusted to provide a dependable, personal service that customers can count on.