Air Conditioning Companies in San Marcos, TX

Comprehensive list of commercial and residential air conditioning companies in San Marcos, TX offering installation, repair and maintenance services.

Business Listings

Serving central Texas for over sixty years, Dean's Shop provides the finest client service for your electrical, air conditioning & heating requirements. Whether you need a new air conditioner, a repair or remodel of your electrical system or a tune up to your heat pump, Dean's Shop can assist. Our trained technicians can speedily and expertly diagnose your air conditioning, heating or electrical problems.

  • Dean's shop assisted me from start to finish. They financed the job for me and gathered

Professional installation by certified McCullough employees. Ten-year and lifetime limited warranties. McCullough provides the finest AC replacement value available in Austin. Don't be fooled by others claiming big discounts. Call McCullough today at 280-0011 to arrange a free no-obligation estimate.


Why overhaul your existing air conditioning unit or install a new unit? Increasing energy bills can be lowered with a new heating unit, which will reduce energy consumption, thus driving heating bills down! Your equipment life can be extended with a simple repair or service, increasing cooling and heating capacity and extending equipment life.



Marvin's Heating and Air Conditioning is situated in San Marcos Texas and is owner-operated for fast dependable service whether you need sales, service, repair or installation. We supply primarily domestic services but service light commercial businesses. We use the most quality brands to ensure efficiency including Frigidaire and Trane. Thinking about replacing your system?


Check for monthly specials on Residential and Commercial service agreements on HVACR, appliances and Commercial Kitchen Equipment.