Harlen Johnson HVAC, Plumbing & Electrical

Harlen Johnson HVAC, Plumbing & Electrical is a full-service home systems contractor serving Dallas since 1957, specializing in AC and heating installation/repair, plumbing (including water heaters and sewer/drain services), and electrical work for residential and commercial properties. Their experienced technicians handle everything from emergency repairs to system installations, indoor air quality solutions, and maintenance agreements, backed by a 100% satisfaction guarantee and deep local expertise.