Local San Marcos Heating & Air Conditioning Repair Services

Providing exemplary heating and cooling maintenance, repair, and HVAC replacements in the San Marcos area, Garner Heating & Air Conditioning is proud to be the local go-to company committed to keeping Texas homes comfortable, no matter what’s going on outside. For three decades, our certified technicians have been going above and beyond to make sure our residential and commercial customers are satisfied.

Central Texas weather can be brutal- but you shouldn’t have to know it from the inside of your home or office. Garner Heating & Air Conditioning is happy to extend our thirty years of expertise to our customers in San Marcos. Whether you are looking to maintain, repair or replace your AC or heating system, contact us for an estimate today.

AC Replacement Buda, TX

Heating and air conditioning replacement is an unavoidable eventuality, even with excellent maintenance. Once it becomes clear that your heater and AC needs to be replaced, our technicians will evaluate your space and your needs to design a superior system that will provide you with the comfort you deserve. Everything from duct work, vents, and airflow will be considered and optimized, to help save you money in energy costs and ensure the efficiency and longevity of your new system.

See what your San Marcos neighbors are saying about our services below. 

Local Reviews
for San Marcos, TX

Rated 5.0 out of 5 stars based on 12 customer reviews


Great Service




Ray was wonderful, prompt, polite and knowledgeable. I have nothing but wonderful things to say about Garner. They are always prompt, courteous have fair prices and have never let me down. I would never hesitate to use them or recommend them.


Excellent service




Very good...made sure we were happy before he left


Prompt and Professional




Serviceman arrived promptly, kept me informed of all procedures, answered all my questions, and did a quick and very professional job.


Excellent service




very knowledgeable, excellent service. Will keep their contact info, knowing that I can trust them to give me an honest answer.


Max is always great!!! Thanks for always doing a great job.




Always great


Great service




Very responsive, great communication, very happy with the service overall.


Excellent Service




We have had wonderful service from Garner.


Always great service, prompt, knowledgable and friendly!





As always a wonderful service. Everything works great. So comfortable




Checkups on two systems was pleasant and efficient I recommend Mac to anyone needing A/C service or repairs.


Great experience.




I am completely satisfied with my recent service call. The technician listened to me, offered explanations and guidance on his thinking throughout the entire process. I appreciate the prompt response, on time arrival, quick repair, explanation of the issue, and professional approach. I definitely recommend Garner for your heating/AC needs.


Ryan P.

Ryan P.

A completely new duct system install today for Garner AC.

Near Booth Dr, San Marcos, TX 78666
Ray G.

Ray G.

System diagnostic and coil cleaning

Near Whitetail Dr, San Marcos, TX 78666
Ryan P.

Ryan P.

Working on a heat pump in Country Estates.

Near Country Estates Dr, San Marcos, TX 78666
Ray G.

Ray G.

Carrier heat pump electrical short. Diagnostic/repair and installed surge protection devices

Near Fairview Rd, San Marcos, TX 78666
Max  B.

Max B.

Replacing elect school relations and wiring inside a mobile home electric heater.

Near Morningwood Dr, San Marcos, TX 78666
Ryan P.

Ryan P.

Installing a new Carrier heat pump system in Blanco River Ranch subdivision today.

Near Blanco River Ranch Rd, San Marcos, TX 78666
Max  B.

Max B.

Performing a heat inspection and also cleaning system of mold to ensure clean healthy air for our customers.

Near E Mimosa Cir, San Marcos, TX 78666
Ryan P.

Ryan P.

Heater tune up on a Carrier electric heat system.

Near N Bishop St, San Marcos, TX 78666
Ryan P.

Ryan P.

Heater tune up on a Carrier Gas furnace.

Near Progress St, San Marcos, TX 78666
Ray G.

Ray G.

Cleaned and disinfected a furnace for one of our customers. Clean air is the best air

Near Marlton St, San Marcos, TX 78666
San Marcos, TX - Cleaned and disinfected a furnace for one of our customers. Clean air is the best air
Ray G.

Ray G.

Heat pump system tune up. Preventative maintenance check

Near Nichols Dr, San Marcos, TX 78666
Ray G.

Ray G.

Heating system tune up on a gorgeous carrier 2 stage furnace with propane conversion.

Near Summit Pass, San Marcos, TX 78666
Don L.

Don L.

Heater inspection and tune-up on Carrier HVAC system.

Near Field Corn Ln, San Marcos, TX 78666
Don L.

Don L.

Installed Heatpump thermostat and wired in auxiliary heat strips.

Near Owl Hollow Rd, San Marcos, TX 78666
Ryan P.

Ryan P.

System cleaning on Carrier AC.

Near Miss'Um Point, San Marcos, TX 78666
Ryan P.

Ryan P.

No AC call. Got the customer all fixed up. His home is cold now. Does your AC guy take the time to clean the electrical panel? Garner AC does.

Near Willis Way, San Marcos, TX 78666
San Marcos, TX - No AC call. Got the customer all fixed up. His home is cold now. Does your AC guy take the time to clean the electrical panel? Garner AC does.
Ryan P.

Ryan P.

Fixing a noisy condenser.

Near Thurman Rd, San Marcos, TX 78666
Don L.

Don L.

Furnace blower motor won't shut off

Near Field Corn Ln, San Marcos, TX 78666
Max  B.

Max B.

Performing the heater inspection and everything looks great on this new system.

Near Lime Kiln Rd, San Marcos, TX 78666
Max  B.

Max B.

Performing a heater inspection and looking for a Low voltage wire short

Near Co Rd 225, San Marcos, TX 78666

AC Repairs San Marcos, TX

When repairs to the HVAC system are needed, our N.A.T.E. certified technicians will quickly get your equipment back on track. Living without cold AC in the summer is not an option in Texas. Likewise, no one should be without heat in the winter- our team has years of experience trouble shooting and repairing air conditioners, heat pumps, and gas furnaces. All of our repairs come with a year long guarantee- we are committed to customer satisfaction.

AC Maintenance San Marcos, TX

Maintaining your heating and cooling components is incredibly important for the longevity of your system. Regular twice a year cleanings and tune ups will keep things running smoothly and save you time and money in the long run. A poorly running system will not only impede your ability to stay cool in the summer and warm in the winter; your energy costs will skyrocket as your system runs overtime to compensate.

Our A/C and heat experts will work diligently to thoroughly remove dirt and debris, which can quickly cause many of the common problems associated with poor performance and the shortened life span of your system. They will evaluate your equipment, catching potential problems before they become heating and air conditioning emergencies. Scheduling regular maintenance also has the added benefit of keeping the air quality in your residential or commercial property healthy.