Dial One Johnson Plumbing, Heating & Air Conditioning serves Midlothian and the entire Dallas metro area by providing top-quality plumbing, heating, and air conditioning services. Based in Midlothian, we are among the most trusted home comfort contractors in the region with the unparalleled customer service of a family-owned business. Since 1965, we have been specializing in plumbing repair and installation, drain and sewer cleaning and inspection, hot water heater installation and repair, commercial plumbing, and all other plumbing services. We are proud to have added heating and air conditioning services to further take care of our customers.