Master Tech Service Corp. is a full service residential and commercial mechanical and plumbing contractor in Dallas County and surrounding DFW areas. Our qualified technicians provide Texas homeowners and area commercial companies quality A/C and Heating Unit installation and repair, and full plumbing installation and repair services. With over 30 years experience, you can trust that Master Tech Service Corp. provides a dependable, personal service that you can count on. At Master Tech Service Corp., we are EPA Certified and properly licensed and insured. You can rest assured that when you call on us for HVAC or Plumbing sales, service and/or repair, you will always get a Qualified and Trained Professional that will handle your HVAC need proficiently every time.