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 San Marcos, 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

Garner Heating & Air Conditioning, Inc. Rated 5.0 out of 5 stars based on 25 customer reviews


Great service




Review of Garner Heating & Air Conditioning, Inc.

The guys did a great job cleaning my ac unit and ducts.


Superb service




Review of Garner Heating & Air Conditioning, Inc.


awesome service! explained very clearly all that was done and needed to be done.




Review of Garner Heating & Air Conditioning, Inc.


Great service!




Review of Garner Heating & Air Conditioning, Inc.


I appreciate the great service




Review of Garner Heating & Air Conditioning, Inc.

Showed up on time great!


Seemed like the Tech knew what he was doing and did it in a timley fashion




Review of Garner Heating & Air Conditioning, Inc.

Glad to get unit fixed before thete is a problem


Great service!! Ray exhausted every possible problem short of replacing the unit! Thanks, Ray!!




Review of Garner Heating & Air Conditioning, Inc.

I wasn't expecting a technician at my house within a couple of hours of my initial call to Garner Heating & AC. Thanks for the quick turn around. I highly recommend this family business.


Ray found the problem




Review of Garner Heating & Air Conditioning, Inc.

Finally, Ray found out why we kept losing coolant and having to be recharged. Hairline crack in the evaporator coil


Great Service




Review of Garner Heating & Air Conditioning, Inc.

The technician was very professional, knowledgeable, and on time.


Prompt service




Review of Garner Heating & Air Conditioning, Inc.

Max was knowledgeable and polite as he took care of the issue we had with one of our ac units. We’ll use Garner again!


Max B.

Max B.

Near Rail Head Rd, San Marcos, TX 78666
Ryan P.

Ryan P.

Performing a full system cleaning and duct cleaning on Deer Lake.

Near Deertrail Dr, San Marcos, TX 78666
San Marcos, TX - Performing a full system cleaning and duct cleaning on Deer Lake.
Max B.

Max B.

Near Six Pines Rd, San Marcos, TX 78666
Ryan P.

Ryan P.

Finding ways to fix a new clients ductwork issues on Elm Hill court.

Near Springwood Dr, San Marcos, TX 78666
Don L.

Don L.

Performed 1 system heater tuneup on a gas furnace. Checked inducer motor amp draw, checked negative pressure switch, cleaned barometric tubing, checked hot surface igniter, cleaned flame sensor, checked gas valve and pressures, checked heat rise and checked blower motor and shaft

Near Deer Stand Loop, San Marcos, TX 78666
Ryan P.

Ryan P.

Measuring an attic for insulation on Hopkins Street.

Near Hopkins St, San Marcos, TX 78666
Don L.

Don L.

Performed 1 system heating tuneup on a gas furnace.

Near W Holland St, San Marcos, TX 78666
Don L.

Don L.

Completed heater tune up

Near Field Corn Ln, San Marcos, TX 78666
Ethan D.

Ethan D.

Installing Brand new gas furnace on Arroyo Doble

Near Arroyo Doble, San Marcos, TX 78666
Ryan P.

Ryan P.

Heater tune up on a gas furnace on Hopkins Street. Setting the furnace up to run properly and help keep the home comfortable.

Near Hopkins St, San Marcos, TX 78666
Max B.

Max B.

Heater inspection to ensure this gas furnace is running at optimal performance.

Near Silo St, San Marcos, TX 78666
Max B.

Max B.

Heater inspections to ensure this heat pump system will keep our customers comfortable through the Winter time.

Near Larue Dr, San Marcos, TX 78666
Max B.

Max B.

Heater inspection to ensure low energy bills in the house stays nice and warm this Winter time.

Near Mountainview Dr, San Marcos, TX 78666
Max B.

Max B.

Heater tune up to ensure that everything will be working going into the Winter time.

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

Ray G.

Diagnostic and repair on a Carrier split AC system with gas furnace.

Near Newberry Tr, San Marcos, TX 78666
Doug G.

Doug G.

Gas furnace heating heater repair Blanco Vista San Marcos TX

Near Lacey Oak Loop, San Marcos, TX 78666
Doug G.

Doug G.

Heater repair Blanco Vista

Near Lacey Oak Loop, San Marcos, TX 78666
Doug G.

Doug G.

AC repair Blanco Vista San Marcos Texas

Near Lacey Oak Loop, San Marcos, TX 78666
Max B.

Max B.

Looking at in stolen zone duct work as well as installing Mini split systems.

Near Co Rd 225, San Marcos, TX 78666
Don L.

Don L.

Performed 1 system cooling tuneup on a straight cool system. Checked compressor and condenser fan motor, checked capacitor and contactor, cleaned condenser coil, checked refrigerant levels, checked blower motor bearings and shaft and purged & treated drain.

Near W Holland St, 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.