ATX Heating & Air Conditioning LLC

ATX Heating LLC has served Round Rock and surrounding Texas communities for more than 13 years, building a reputation on reliable AC repair and complete HVAC installation. The company holds a 5.0-star rating across 55 verified reviews, with 24/7 availability including emergency same-day service. Operating as a full-service heating and air conditioning contractor, ATX Heating serves residential homes, commercial buildings, and industrial facilities throughout the Austin metro area with a 100% satisfaction guarantee on all work performed.

What distinguishes ATX Heating from other contractors in the region is their commitment to transparent, budget-friendly service without sacrificing quality. Their certified technicians provide same-day repairs and installations, backed by a satisfaction guarantee that promises to address any concerns. The company offers comprehensive indoor air quality solutions alongside traditional heating and cooling services, making them a single source for year-round home comfort. Their 24/7 customer support line ensures homeowners can reach them regardless of when system failures occur.

Customer reviews consistently highlight technician Arthur as a standout professional who diagnoses problems other contractors have missed. One reviewer describes how Arthur identified a zoning heat sensor malfunction that rendered their zoned system useless, a problem the original installer created. Another homeowner called at 6:30 pm with AC problems and had Arthur at their doorstep within 12 hours, with the issue resolved minutes after arrival. Reviewers repeatedly mention fair, honest quotes and the technician's thoroughness in explaining issues and options before proceeding with repairs.