Emergency A C Repair, Tune Ups & New Installs

Accolades & Certifications

McCullough employs some of the most experienced, well-trained heating and air conditioning technicians in the business. We provide a structured continuing education program that keeps all service and installation personnel on top of the latest trends. Our technicians are pleasant and professional, too, and they'll treat you and your home with respect.

Our owner, Al D’Andrea is passionate about quality contracting and participates actively in key professional organizations. He is a past president of the Austin Chapter of the Air Conditioning Contractors of America ("ACCA") association and is past president of the ACCA statewide Texas Chapter. Al serves on the Austin Community College Advisory Board for Heating, Air Conditioning, and Refrigeration Technology and has served the City of Austin in a number of professional capacities, including the Zero Energy Homes Task Force and the Energy Efficiency Upgrade Task Force.

Awards & Recognition

  • Angie's List Super Service Award recipient 2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
  • Carrier Factory Authorized Dealer
  • 2013 & 2014 Century Club Award Winner - for using our comprehensive whole-house approach to improvinge the energy performance of 100+ homes in the past year
  • McCullough had the highest percentage of projects showing a decrease in total electric consumption of more than 20%. (February 2012 Austin Energy pronouncement regarding Home Performance with Energy Star program work performed by McCullough as measured against 48 total contractors.)
  • Carrier Performance Excellence, 2009, 2010 and 2011
  • Amana Heating & Air Conditioning Performance Excellence (1998 -present)


  • North American Technical Excellence ("NATE")
  • EPA certification - refrigerant recovery and reclamation
  • NCI Air Balancing
  • Building Performance Institute (BPI) – Building Analyst
  • Resnet – Building Inspector
  • Residential System Design, Manual J
  • International Ground Source Heat Pump Association ("IGSHPA")
  • Austin Energy Registered Contractor – Residential
  • Austin Energy Registered Contractor – Multi-family

Associations & Programs

  • Austin Green Builder program
  • Resource Conservation Contractors Association ("RCCA")
  • Home Performance with Energy Star program
  • Free Weatherization Program
  • Air Conditioning Contractors of America
  • Better Business Bureau ("BBB") of Central Texas
  • Austin Apartment Association
  • National Comfort Institute

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