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San Marcos TX Heating & Air Conditioning Services

Expert AC Repair In San Marcos, TX Comfortable Since 1988

There's something so wonderful about stepping indoors after a day out in the unbearable heat and feeling the cool blast of a perfectly tuned air conditioner washing over your face. But what if your HVAC system isn't perfectly tuned? What if the only thing that greets you when you come in from the heat is... more heat? When you need air conditioning repair in San Marcos, TX, that's when Garner Heating & Air Conditioning has your back. From professional HVAC maintenance to keep your system running true to expert repairs when something goes wrong, our heating and air conditioning service provides you with the right solution backed by exceptional service.

For the best heating repair, AC repair and indoor air quality services San Marcos has to offer, Garner Heating & AC is the only company you need - reach us online or call us at 512-392-2000 today!

garner truck outside university of texas san marcos

Indoor Air Quality Services In San Marcos, TX

Everyone should be able to breathe easy in their own home - but our air indoors is often more polluted than the air outside! That's why Garner AC offers dependable indoor air quality services, like powerful HVAC UV lights, potent air purifiers, and an array of AC and furnace filters so we can find the right one for your home's needs. Take a big step toward improving your family's health and give us a call at 512-392-2000 today!

Air Duct Cleaning In San Marcos, TX

One of the most effective indoor air quality services we offer to the citizens of San Marcos is our professional duct cleaning. When your ducts are dirty, they take all of that dirt, grime, pollution, and other nastiness and spread it throughout your home as your furnace or air conditioner are running. After our duct cleaning service, your air will be clean and free of contaminants, improving your home's environment and your family's health.

AC Repair In San Marcos, TX

Did your air conditioner kick out? Nobody wants to deal with a malfunctioning unit in the heat of the Texas summer (we just have to do everything bigger here, don't we?) so our technicians are on standby ready to diagnose and treat your San Marcos air conditioning system today. We'll check everything out top to bottom to identify the true root cause of your problem so we can deliver a lasting, dependable solution. For the best in air conditioning service, contact Garner today!

Heating, Cooling, Air Quality - Garner Does It All

There isn't an aspect of your HVAC service we can't repair, service, or update. See our wide range of offerings below:

How do I choose an HVAC contractor in San Marcos TX?

Here are the top considerations when choosing a heating and cooling company:

  1. They offer the best solutions for your problem. No matter what problem you are having with your air conditioning system they need to have the best and most efficient solution. They should first listen to your needs and explain how they are going to fix it. 
  2. Expertise and Trust: your HVAC system is probably one of the most costly items in your home and you don’t buy one every day. See what your San Marcos neighbors are saying about our 5 Star Services over the last 3 decades. 
  3. Free Estimates - they should offer a free estimate on the services that they will be performing. At a minimum, if they do charge a fee to come out, it should be included in the service if you decide to hire them. 
  4. Licensing - they need to be a licensed professional. The vast majority of HVAC pros are licensed but just check and make sure before hiring them. 
  5. How involved are they in your local community? We’re glad for the opportunity to give back to Hays County for 3 decades. Check out our yearly Gift of Heat community service.  

Give Garner Air Conditioning the opportunity to prove to you and your family that we can help fast and save you money in return. Call or text 512-392-2000 or schedule service online.

How much does HVAC repair cost in San Marcos TX?

The average cost to repair an air conditioner in the San Marcos area is around $125-$2000. This takes into account every type of repair you could have on your AC system. 

Here is the typical average HVAC repair costs per service*:

  • Thermostat: $300
  • Replace capacitor or contactor: $335
  • Replace fan/blower motor: $800
  • Replace control board: $300-$1200
  • Replace evaporator coil: $2500-$3500
  • Replace compressor: $2500

*Costs and prices shown above are intended to be used as general information, not as guaranteed estimates. 

Contact Garner Air Conditioning online for a free in-home estimate on all your AC repair costs, call or text 512-392-2000 to schedule service.

What is the average cost to replace a central air system in San Marcos TX?

The average cost to replace or install a central air system in the San Marcos area is around $10,000. On the low end it’s around $7,000 and could be upwards of $15,000 depending on your specific needs. 

What factors affect the cost of a new HVAC system:

  1. The size of your home or how much of your home you want to keep cool or heated at any given time. 
  2. How efficient your new system will be or SEER Rating. 
  3. Do you want or need upgrades in your thermostat, indoor air quality or ductwork?
  4. Warranty selection - most warranties come with limited and extended parts warranty. 
  5. Who you choose. You can negotiate with your HVAC contactor because not all charge the same price. Some offer coupons, specials and financing. Keep in mind that you want it done right the first time and ASAP especially if you home is hot or cold.  

Call or text Garner AC at 512-392-2000 and we’ll help determine the solution that best fits your home’s needs. Check out what your Hays County neighbors are saying about our services too.

How much does it cost to service your HVAC system near San Marcos TX?

It costs around $150-$350 to service your HVAC system in San Marcos, TX. Getting your HVAC system serviced twice a year is the best way to get the most out of your HVAC system. You should have your furnace serviced right before winter and your AC unit right before summer to prepare your HVAC system for the more taxing heating and cooling seasons. Give us a call today to get your HVAC system serviced.  

Why isn’t my HVAC system turning on near San Marcos TX?

Your HVAC system may not be turning on in San Marcos, TX because: 

  • Your thermostat is not turned to the correct setting. 
  • Your air filters are dirty. 
  • The circuit breaker for your HVAC system has tripped. 

If your HVAC system is still not working after you check these problems, the issue may be more complex. In some cases, your HVAC system may not be working due to a refrigerant leak, which will require an HVAC technician to repair it. Call us today to get your HVAC system repaired.    

What is included in AC maintenance near San Marcos TX?

The following is included in AC maintenance in San Marcos, TX: 

  • A thorough cleaning of your AC unit. 
  • An inspection of your AC unit’s components. 
  • A replacement of your air filters. 

Having your AC unit maintenanced is a good way to ensure that your energy bills are lower and your AC unit runs more effectively. Additionally, it also allows you to spot any issues that may become bigger problems later on. To get your AC unit maintenanced, contact us today. 

One Company Is All You Need For Ongoing Comfort

Could your home use an HVAC replacement? Maybe your furnace is on the blink and needs heating repair, or you're interested in regular HVAC maintenance to make sure your system runs as it should year-round? It doesn't matter the need, Garner is here and ready to help. We've got decades of combined experience and we've seen and done just about everything there is to do when it comes to home comfort, so if you're looking for a reliable heating and cooling services company, you've come to the right place.

Don't Delay - Contact The Best AC Repair In San Marcos, TX Today!

Unfortunately, there is no convenient time for your HVAC system to have an issue. Since a failure in your system will inevitably lead to unbearable days and uncomfortable nights, you need to stay on top of making sure your HVAC is running well. The best way to do that is to put us on the job - and then forget about it entirely. We can take care of everything, leaving you with true peace of mind and, more importantly, lasting comfort.

But for a fresh perspective, how about hearing what your San Marcos, TX neighbors have to say about us? You can read some of their reviews below:

Recent Jobs and Reviews in San Marcos, TX

Rated 4.9 out of 5 stars based on 157 customer reviews

Customers say: The overall sentiment across these reviews is overwhelmingly positive, reflecting high levels of customer satisfaction and appreciation. Customers consistently express gratitude for the professionalism, punctuality, and expertise demonstrated by the service team. There is a strong recurring theme of technicians being knowledgeable, thorough, and excellent communicators who take time to explain issues, answer questions, and provide helpful advice without applying undue pressure. Many reviewers highlight the courteous and respectful nature of the staff, noting details such as wearing shoe covers, protecting work areas, and leaving spaces clean after completion. Timeliness emerges as another dominant positive trend, with numerous mentions of technicians arriving on time or even early, completing work efficiently, and providing same-day service. Customers frequently express confidence in the quality of work performed, even under challenging conditions like extreme heat, and many indicate strong loyalty, stating they will use the service again and recommend it to family and friends. The emotional tone is enthusiastic and appreciative, with reviewers describing their experiences as "great," "excellent," "fantastic," and "outstanding." Overall, the reviews convey a sense of trust, reliability, and exceptional customer care that has clearly resonated with clients.

San Marcos, TX at a glance

Garner Heating & Air Conditioning Inc has completed 20 jobs in San Marcos, TX between April 2024 and May 2024.

The 5 customer reviews shown here average 4.2 out of 5.

The most recent job was on May 3, 2024.

Garner Heating & Air Conditioning Inc has completed 132 jobs in San Marcos, TX in the last 12 months. The first job there was in July 2018.

Job Locations and Reviews

Brittany C.
Brittany C. Checked in
Ductwork Inspection and Repair: Performing a comprehensive ductwork inspection, I identified leaks and inefficiencies affecting HVAC performance. Through meticulous repair and sealing, I optimized airflow and energy efficiency, ensuring consistent comfort throughout the home.
San Marcos, TX 78666
Matt F.
Matt F. Checked in
Performed AC cool check. Checked electrical, mechanical, safety, and performance of the system. Drain line was cleared and treated. The filter was replaced with a customer supplied filter. The blower wheel is clean. The condenser fan motor is in good condition and the condenser capacitor is within value. Contactor and disconnect are also in good condition. Refrigerant charge is within factory specifications. Condenser coil clean. No major issues were found, and the system was running at the time of departure.
San Marcos, TX 78666
Jason D.
Jason D. Checked in
Installed 3-ton gas system. Installed new T6 thermostat. Rebuilt and insulated the condensate drain line. Added SS2 and SS3 safety float switches. Installed new filter dryer, pressure tested with dry nitrogen and pulled a vacuum on copper line set. Replaced the disconnect and ran the low voltage in Seal-Tite. Replaced both supply and return plenums and sealed with a mastic airlock. Charged system to factory spec and performed a benchmark. System is working properly at time of departure.
San Marcos, TX 78666
Matt F.
Matt F. Checked in
Performed AC cool check. Checked electrical, mechanical, safety, and performance of the system. The drain line was cleared and treated. The air handler and evaporator coil are clean. The blower wheel is also clean. The wiring is tight and in good condition. System sterilizers are operational. Condenser coil clean. The contractor and capacitor for the condenser unit are in good condition. The condenser fan motor is also in good condition. Refrigerant charge is in range and the system is cooling to factory specifications. No major issues were found, and the system was running at the time of departure.
San Marcos, TX 78666
Omar H.
Omar H. Checked in
Performed cooling maintenance on one heat pump system. Checked all electrical, mechanical and performance of the system. Cleared and treated the drain line and washed the outdoor coil. Filter was replaced recently by the customer. No other major issues were found, and the system is operational at this time.
San Marcos, TX 78666
Omar H.
Omar H. Checked in
Performed cooling maintenance on a heat pump system. Checked all electrical, mechanical and performance of the system. Cleared and treated the drain line and washed the outdoor coil. Filters were replaced before my arrival. All UV lights and surge protectors are working. No major issues were found. System is operational at this time
San Marcos, TX 78666
Omar H.
Omar H. Checked in
Upon arrival, the homeowner stated that he noticed his thermostat will continue to run in cooling, 2-3 degrees below the set temperature. Performed the cooling maintenance. Checked all electrical, mechanical, safety and performance of the system. Cleared and treated the drain line and washed the outdoor coil. Customer supplied filter for replacement. I cycled the thermostat multiple times to try to recreate the issue, but the system ran fine each time. No major issues found.
San Marcos, TX 78666
Omar H.
Omar H. Checked in
Performed cooling maintenance on one straight cool system. Checked electrical, mechanical, safety and performance of the system. Cleared and treated the drain line and washed the outdoor coil. I found that the secondary drain pan (38x32) has a lot of rust on it. I informed the customer and presented options for repair. No other major issues were found. System is operation at this time.
San Marcos, TX 78666
Chey S.
Chey S. Checked in
Cool check on horizontal air handler heat pump system completed. Indoor blower wheel and coil are clean. Float switches tested. Drain line flushed multiple times. Had a conversation with the homeowner about potential issues with the drain and that they may need to have a plumber come out if they have issues with the drain this Summer. Heat pump coil cleaned. Capacitor within range and amp draws are good. I did find that the condenser fan motor is showing signs of overheating. Also, the contactor shows wear and pitting. No other major issues found
San Marcos, TX 78666
Chey S.
Chey S. Checked in
Arrived for a cool check on a horizontal furnace zone system. Replaced all six air filters. Cleared and treated the condensation drain line. Checked electrical upstairs as well as cleanliness of furnace. Proceeded outside to the condenser, cleaned coils and checked all electrical. The condenser fan motor is in good shape, but the outdoor capacitor is below manufacture specs. I recommended replacement of the capacitor, but the customer declined. Checked refrigerant levels and they are within spec. Both thermostats were cycled and the unit is cooling at this time.
San Marcos, TX 78666
Chey S.
Chey S. Checked in
Single system cooling check completed. The evaporator coil and condenser coil are clean. All electrical is within manufacture specs. Unable to check refrigerant levels due to ambient temperature. The contactor is old and showing its age. No other major issues found. The system is operating properly at this time.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
I cleared the drain and rinse out the condenser coil. During my evaluation of the system, I discovered that for its age it’s in great shape. Both the indoor and outdoor motors are oil free and running properly. The contactor is nice and clean. The outdoor capacitor is running within spec. The refrigerant charge is proper for the machine. No recommendations were made at this time. System is in working order at completion of appointment.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
I cleared the drain and rinse out the condenser coil. During my evaluation of the system, I discovered that for its age it’s in great shape. Both the indoor and outdoor motors are oil free and running properly. The contactor is nice and clean. The outdoor capacitor is running within spec. The refrigerant charge is proper for the machine. No recommendations were made at this time. System is in working order at completion of appointment.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
I cleared the drain and rinse out the condenser coil. During my evaluation of the system, I discovered that for its age it’s in great shape. Both the indoor and outdoor motors are oil free and running properly. The contactor is nice and clean. The outdoor capacitor is running within spec. The refrigerant charge is proper for the machine. No recommendations were made at this time. System is in working order at completion of appointment.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
I cleared the drain and rinse out the condenser coil. During my evaluation of the system, I discovered that for its age it’s in great shape. Both the indoor and outdoor motors are oil free and running properly. The contactor is nice and clean. The outdoor capacitor is running within spec. The refrigerant charge is proper for the machine. No recommendations were made at this time. System is in working order at completion of appointment.
San Marcos, TX 78666
Omar H.
Omar H. Checked in
Performed cooling maintenance on one heat pump system. Checked all electrical, mechanical and performance of the system. While performing maintenance, I found that the system is low on R410-A refrigerant, and the system does not have a water safety switch. The evaporator coil is very rusted, but I was unable to locate a leak at this time. I sent over the estimate for the repairs as well as an estimate for replacing the evaporator coil. No other major issues were found. System is running at this time.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
We arrived at the home to find the system off. We immediately got to work and replaced the zone control board and the blower motor. I made new connections with the zone control board transformer using WAGO lever nuts. I made sure to install a standalone transformer for the zone control board. Chey replaced the upstairs thermostat and programmed it. I programmed the zone control board. We went outside and replaced the capacitor and then tested the system. The system came on and ran properly. System is in working order at completion of appointment.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
We arrived at the home to find the system off. We immediately got to work and replaced the zone control board and the blower motor. I made new connections with the zone control board transformer using WAGO lever nuts. I made sure to install a standalone transformer for the zone control board. Chey replaced the upstairs thermostat and programmed it. I programmed the zone control board. We went outside and replaced the capacitor and then tested the system. The system came on and ran properly. System is in working order at completion of appointment.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
We arrived at the home to find the system off. We immediately got to work and replaced the zone control board and the blower motor. I made new connections with the zone control board transformer using WAGO lever nuts. I made sure to install a standalone transformer for the zone control board. Chey replaced the upstairs thermostat and programmed it. I programmed the zone control board. We went outside and replaced the capacitor and then tested the system. The system came on and ran properly. System is in working order at completion of appointment.
San Marcos, TX 78666
Zachary V.
Zachary V. Checked in
We arrived at the home to find the system off. We immediately got to work and replaced the zone control board and the blower motor. I made new connections with the zone control board transformer using WAGO lever nuts. I made sure to install a standalone transformer for the zone control board. Chey replaced the upstairs thermostat and programmed it. I programmed the zone control board. We went outside and replaced the capacitor and then tested the system. The system came on and ran properly. System is in working order at completion of appointment.
San Marcos, TX 78666
Review
Very pleased with the service.
Mike - San Marcos, TX 78666
Review
Max was on time, efficient and knowledgeable and congenial.
Cole - San Marcos, TX 78666
Review
Always the Best
Allen - San Marcos, TX 78666
Review
Horrible company
Tim - San Marcos, TX 78666
Review
Always a great experience with Garner. Thank you!
Dh - San Marcos, TX 78666
Kyle . Buda . San Marcos . Wimberley . Driftwood . Martindale . Manchaca . Lockhart . New Braunfels
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