1109 HVAC Service Contractors in Dallas, TX

Dallas HVAC systems work harder than most — over 100 days above 90°F each summer, combined with cold fronts that push winter lows well below freezing, creates year-round load. HVAC service Dallas contractors serve a large and active market: 109 companies, a 4.7-star average across 57,529 reviews, and 43 offering 24/7 availability for emergencies and urgent calls.

Service call and diagnostic fees run $75-$200, routine tune-ups cost $70-$200 per system, and standard repairs average $150-$1,200 depending on the component. Larger repair and replacement work runs higher. Texas contractors must hold a Class A or Class B HVAC license from TDLR — 48 months of documented field experience in the prior 72 months is the standard requirement, with a 36-month path available for those with approved technical certifications.

Reviews across Dallas's most active HVAC service companies identify technicians by name with consistency. At Milestone Electric, A/C, & Plumbing, Roger Ruiz and Louis receive individual praise across independent reviews — the company's nearly 19,000 ratings at 4.9 stars reflect sustained operational quality across thousands of service calls. Rescue Air and Plumbing's Max and Andre are praised together in one review and Max alone in another for exceptional work on late-night, complex service calls; Derrick Posley also earns a direct mention. Airtron's Val appears twice in separate reviews for honest assessments, clean work habits, and no upsell pressure.