NATE Certified Technicians

NATE certified technicians have proven their knowledge in the HVACR industry by passing specialized NATE certification tests. NATE certification tests represent real world working knowledge of HVACR systems. Developed by a committee of industry experts nationwide, NATE exams represent HVACR topics pertinent to contractors, educators, manufacturers and utilities alike. All of the NATE tests are rigorous, knowledge-based tests and validate a technician’s knowledge.


Air Conditioning Contractors of America (ACCA)

ACCA is a non-profit association whose membership includes more than 60,000 professionals and 4,000 businesses in the indoor environment and energy services community. We work together to promote professional contracting, energy efficiency, and healthy, comfortable indoor environments


Carrier Dealer

We are experts in the installation of the Carrier line of HVAC products and accessories. Carrier delivers global solutions across a broad range of applications in heating, air conditioning, refrigeration and beyond.


NCI Certified Contractors

NCI certified professionals have studied, taken classes and passed proficiency testing that helps ensure their understanding of a truly unique way of examining your home’s heating and cooling system. These distinctive individuals use special tools to measure the true comfort and efficiency your heating and cooling system is delivering.


Schertz Chamber of Commerce

Serving the communities of Schertz, Cibolo, Selma and beyond, The Chamber acts as a catalyst for business and community alike and is committed to the growth of our Member businesses and supporting small business entrepreneurship. We do this through local and state advocacy, providing education in business, and creating opportunities to market and network.

Licenses & Certifications

  • HUB-Certified
  • Certified Women Business Enterprise
  • License # TACLA000933C
  • License # TACLA34555C

HUB-Certified     Certified Women Business Enterprise

It is an understatement to say that we are impressed.— Fran Villarreal, M&S Imaging, NEIC Associate Director


Barrett & Sons is a leading provider of commercial, industrial, and residential HVAC services for San Antonio and the surrounding tri-county area.