About Us

Greetings! We are Carnes and Sons, a small, family owned and operated business. We service heating and cooling systems in the greater San Antonio area, including: New Braunfels, Seguin, Spring Branch, Adkins & Bulverde. Our Services: • Air Conditioning/Heating Repair • HVAC Replacement/Maintenance • Custom Whole-Home Ventilation Design & Installation • Attic Insulation Upgrades • On-Site Air Quality Testing • Air Purifiers & Filters We Are: • Transparent • Fair • Honest • Reliable • Friendly • Fast What makes us Different? • ALL CALLS ARE ANSWERED BY THE OWNERS Being small and family-run, we have the ability to quickly respond to our customers without the major overhead and bureaucracy of our larger competitors. • We are totally up-front with you about both our services and costs. No gimmicks or heavy sales here. We rely on quality service to build trust with you, and EARN your business!​ We aim to build lasting relationships with our customers. • We are committed to serving our neighbors with the best price in HVAC Service you can find anywhere, and yet not sacrifice quality work. • Personal Service by the Owners of the Company Service Calls are done by a Carnes, & a son, as our name implies, for guaranteed quality, and personal service from our family to yours. :) We stand by our service and provide you a 100% Satisfaction Guarantee. If you are not satisfied in any way, you can speak directly with us and we will do whatever is necessary to ensure your A/C or heating service is done right. We service all makes and models and are fully licensed in the state of Texas. We do residential AC repair, AC replacement & AC installation. We also do light commercial AC work. We offer Air Conditioning repair, heating repair, Air conditioning replacements, Air conditioning maintenance, custom HVAC whole-home ventilation designs, attic insulation upgrades, whole-home air conditioning rough-ins, on-site air quality testing, as well as install whole-home air purifiers and air filters.



Service area

Frequently asked questions

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Don't Sleep Cold! Book Our Fall Special FREE Service Call (NO Trip Fee-limited time only!)
Business hours
  • Monday

    7:00 AM to 6:00 PM

  • Tuesday

    7:00 AM to 6:00 PM

  • Wednesday

    7:00 AM to 6:00 PM

  • Thursday

    7:00 AM to 6:00 PM

  • Friday

    7:00 AM to 6:00 PM

Contact us

(210) 247-4517

carnesandsonsac@gmail.com