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"...no sweat - not ever!"

David & Son
Heating and Air

Gaining Expertise Since 1977

Proudly Serving San Antonio, La Vernia, Seguin, New Braunfels, Floresville, Poth, and Falls City

Heating & Air Conditioner Maintenance & Repair

man repairing air conditioner in la vernia


Don't fall victim to the long, hot days of summer or the bone-chilling winter nights. Stay cool and composed by trusting David & Son Heating & Air, based in La Vernia, Texas, with all your air conditioning & heating maintenance needs. We provide repair service, as well as regular maintenance to keep your system running at top performance. We are N.A.T.E. (North American Technician Excellence) certified...that means your system will be serviced by a technician that has been tested and certified by the HVAC Industry's premier certification agency.

Service & Repair

When your heating and air conditioning equipment breaks down, you can count on the experts at David & Son Heating & Air to come to the rescue. We provide total system evaluations, as well as full-service repairs, part replacements, and system upgrades. We service all brands, makes, and models, and all our services are affordable and guaranteed. We specialize in the repair of Bryant and Carrier, Lennox, Trane and American Standard, Rheem and Ruud, Amana and Goodman, Comfortmaker, York and Coleman...the list goes on and on.


Ensure that your air conditioning and heating equipment is running efficiently and safely with our maintenance services. We provide routine maintenance that keeps your system running at maximum efficiency while prolonging the life of your system.

Many times, a little preventive maintenance, such as a simple A/C drain clearing, can stop a small problem from turning into a large one, saving you from expensive repair and replacement costs down the road. In addition, customers who subscribe to our maintenance plans also receive priority service, as well as discounts on equipment replacement.

Contact us to keep your heating and cooling equipment running like new.