10 Best HVAC Companies in San Marcos, TX

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Last Updated: February 25, 2025

On average, Americans devote 55% of their home energy usage to heating and cooling, according to the Department of Energy. With San Marcos' higher cost of living, you're probably eager to find ways to save on your energy bills.

Our guide to San Marcos' top HVAC companies can help you save money by getting your HVAC system repaired, installed or replaced by the right person for the right price.

Top 10 Best HVAC Companies in San Marcos

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AirOne

AirOne Logo

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4105 Hunter Rd Bldg 8 Ste 11, San Marcos, TX 78666 (512) 392-0022 myairone.com

Reliable customer support

Free quotes

Informative resources

Prompt service delivery

Services Offered

Emergency services
Furnace installation
Ac installation
Furnace repair
Boiler installation
Ductless
Filtration
Boiler repair
Ac repair
Indoor air quality
Maintenance
Duct cleaning
Inspection

Blue Ribbon Cooling, Heating, Plumbing, & Electrical

Blue Ribbon Cooling, Heating, Plumbing, & Electrical Logo

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714 State Hwy 71, Bastrop, TX 78602 (512) 549-6945 blueribbonservices.com

Clear pricing policy

Reliable customer support

Free quote

Prompt service delivery

Informative resources

Services Offered

Ventilation
Ductless
Duct cleaning
Furnace repair
Filtration
Ac repair
Ac installation
Indoor air quality
Inspection
Maintenance
Furnace installation

Air Comfort Systems

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233 Town Lk Bnd, Kyle, TX 78640 (512) 909-1235 aircomfortaustin.com

Prompt service delivery

Informative resources

Reliable customer support

Clear pricing policy

Free quotes

Services Offered

Ac installation
Inspection
Indoor air quality
Filtration
Furnace repair
Maintenance
Emergency services
Furnace installation
Ac repair
Ductless
Boiler installation

Champion Home Services

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2709 Bulverde Rd. Bulverde, San Antonio, TX 78163 (726) 202-1440 championac.com

Free quotes

Informative resources

Reliable customer support

Clear pricing policy

Services Offered

Filtration
Smart home integration
Furnace installation
Inspection
Maintenance
Ac installation
Indoor air quality
Furnace repair
Duct cleaning
Ductless
Ac repair

Fox Service Company

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User Rating

1506 Ferguson Ln Suite #102, Austin, TX 78754 (512) 488-1120 foxservice.com

Informative resources

Prompt service delivery

Free quotes

Clear pricing policy

Services Offered

Emergency services
Ventilation
Ac installation
Furnace repair
Indoor air quality
Ductless
Inspection
Filtration
Smart home integration
Maintenance
Ac repair
Furnace installation

Aire Serv of Round Rock

Aire Serv of Round Rock Logo

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User Rating

600 S I-35 Frontage Rd, Round Rock, TX 78681 (512) 843-0561 aireserv.com

Free quotes

Prompt service delivery

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Boiler installation
Maintenance
Furnace installation
Ductless
Indoor air quality
Emergency services
Duct cleaning
Ventilation
Inspection
Ac repair
Ac installation

Classic Services Air Conditioning & Heating

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User Rating

1893 State Highway 46 South, New Braunfels, TX 78130 (830) 358-1499 classicairconditioningandheating.com

Reliable customer support

Free quotes

Informative resources

Services Offered

Inspection
Furnace installation
Ac installation
Duct cleaning
Filtration
Furnace repair
Ductless
Ac repair
Emergency services
Indoor air quality
Ventilation
Maintenance

Garner Heating & Air Conditioning Inc

Garner Heating & Air Conditioning Inc Logo

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User Rating

731 Roland Ln, Kyle, TX 78640 (512) 392-2000 garnerac.com

Clear pricing policy

Prompt service delivery

Free quotes

Informative resources

Reliable customer support

Services Offered

Furnace installation
Filtration
Maintenance
Ac repair
Ductless
Duct cleaning
Indoor air quality
Ac installation
Inspection

Gold Eagle Services

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User Rating

501 Congress Ave. Suite 150, Austin, TX 78701 (512) 881-9260 goldeagleservices.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Prompt service delivery

Services Offered

Ac repair
Indoor air quality
Furnace repair
Ventilation
Ductless
Ac installation
Maintenance
Duct cleaning
Furnace installation

Grande Air Solutions

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Our Rating

User Rating

2127 W Parmer Ln, Austin, TX 78727 (512) 677-4424 grandeairsolutions.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Ac repair
Duct cleaning
Emergency services
Furnace installation
Ac installation
Filtration
Maintenance
Furnace repair
Inspection
Indoor air quality
Ventilation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your HVAC system is faulty or getting near the end of its lifespan, it likely needs servicing or replacement from an HVAC company. Look for these indicators your system needs service:

  • Odd noises when the system turns on
  • Poor air circulation or uneven heating/cooling
  • Frequent breakdowns and need for repairs
  • Refrigerant leaks
  • Unusually high energy bills
  • Rust, corrosion, or cracking
  • Temperature control issues or thermostat malfunctions
  • An HVAC system that's over 15 years old

If you notice any of the above, have a local HVAC technician inspect your system. They can diagnose problems and recommend whether repair or full HVAC replacement is the best course of action.

Cost of HVAC Installation and Maintenance in San Marcos

What you pay for HVAC installation or maintenance depends on your system type. Common HVAC unit styles include the following:

  • Split or mini-split: If your home doesn't have the right ductwork for central heating or air, you likely have a split HVAC system. Split or mini-split systems consist of internal units that regulate the temperature in individual rooms. These interior units are all connected to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions much like a standard split system, but has the capacity to draw on either electricity or gas for power.
  • Heat pump: Heat pumps work by circulating warm and cool air between your home and the outdoors. These systems don't generate heat or air conditioning themselves, and are more effective in more moderate climates. They may not be as effective during San Marcos' hot summers.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller houses. They have a single cooling and heating unit, normally in a basement or attic. This unit is often compact, cost-effective, and easy to maintain.

The cost of HVAC maintenance also depends on the kind of work being done. HVAC systems are complicated and may require different kinds of maintenance. The cost of some common repairs is as follows:

HVAC Unit TypeCost
Split$1,887-$4,812
Hybrid Split$3,825-$7,046
Heat Pump$2,961-$30,175
Packaged Heating and Air$248-$413

Ways to Save Money on HVAC Costs

It’s important to make any essential HVAC fixes or replacements as needed, though they can be expensive. The good news is that homeowners have methods to decrease the effect of wear and tear and reduce the frequency of breakdowns.

  • Keep your system clean. Keeping your ductwork, grills, condenser fan blades, and indoor evaporator coil clean helps your HVAC system function properly and lowers your risk of mold. The National Air Duct Cleaners Association recommends cleaning your HVAC system when you notice it starting to get dirty.
  • Change the position of your blinds seasonally. During winter, leave your blinds open so your home benefits from passive solar heat. In summer, keep blinds shut to block out heat. Doing both decreases the amount of work your HVAC system must perform.
  • Monitor for potential problems. Keeping an eye out for problems, for instance by consistently checking your thermostat and energy bills, lets you resolve them before they get too expensive.
  • Change filters regularly. Replacing or cleaning your air filters every 30–90 days helps air flow smoothly through your HVAC system. We also recommend regularly clearing dirt and debris away from the external parts of your system.
ServiceCost
Filter Replacement$62-$165
Condensor Cleaning$1,239-$3,717
Thermostat Repair$83-$207
Ductwork Cleaning$396-$991

How To Choose a Local HVAC Company

Knowing what makes a trustworthy HVAC company is key for a successful installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.

Compare Multiple Bids

Contact at least three HVAC contractors for quotes. Describe your issues and schedule an in-person inspection if possible. Compare companies' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand upfront payment.

Check Credentials

When picking an HVAC company, choose one with technicians that have the right training, licenses, and experience. In all states, HVAC contractors need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled at the state level.

In Texas, HVAC contractors must be licensed by the Texas Department of Licensing and Regulation. Contractors must have at least four years of experience in the past six years and must show proof of insurance. An individual can also be a registered technician, which has no experience requirements, or a certified technician, which requires two years of experience. Registered and certified technicians must both be supervised by a licensed contractor. Always check a company's reviews and complaints with organizations such as the Better Business Bureau (BBB), Yelp, and Google Reviews. You want to hire a provider with glowing reviews and stories of positive service experiences.

Understand Work Details

Always make sure you know what a company’s process looks like. When getting HVAC repairs, ask your provider to specify which parts require replacement and explain why. Confirm that your technician will clean and test the full system at the end of the job to verify proper operation. When replacing your HVAC, have the contractor explain the new features, energy efficiency, estimated installation time, brand, and model. Before signing paperwork, be sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.

Compare Warranties

A reputable HVAC company will stand behind its repair services and equipment installations with a warranty. The longer and more comprehensive the warranty coverage, the better. Carefully compare warranty terms between contractors and choose the company that provides the most protection within your budget.

Get Quote in Writing

Always get quotes for HVAC service in writing before work begins. A comprehensive quote should cover both labor and materials. Make sure you understand all terms before signing a contract.

Frequently Asked Questions About HVAC in San Marcos, TX

Normally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what, if any, services are needed. You should also call a technician if you notice any new issues, like unusual smells, leaks, or strange noises. If you have ductwork in your home, it should be serviced every few years.

The best times of the year to have an HVAC inspection are during the spring and fall. Technicians are generally less busy during these times, which makes it easier to get an appointment. This also helps get your system ready for the summer and winter, when it typically gets the most use.

You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Set your thermostat as close to the outside temperature as you can, and avoid making drastic changes in temperature all at once. Keep your roof well-maintained and seal any leaks around your doors and windows to avoid letting cool air escape. Similarly, ensure that your attic is well ventilated to avoid trapping excess heat in your home.

Generally, whole-system HVAC installation or replacement takes between one and three days. Installing or replacing a furnace or air conditioning unit takes anywhere from about half a day up to two days. The exact amount of time will vary depending on things like the size of your home, how easily accessible different sections are, and whether your technician discovers any problems.

For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. In San Marcos, you'll probably want to choose a unit that's on the higher end of this range. If your home is larger than 1,000 square feet, central air is likely to be more effective than window units for cooling.

For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units). In San Marcos, you might be able to make do with a lower-capacity furnace.

Normally, HVAC financing is through a third-party lender. If your HVAC company doesn't have financing options, you might consider taking out a loan on your own. Be sure to speak with a financial advisor and your HVAC company to determine what options are available to you and appropriate for your situation.

There are a number of ways you can make your HVAC system more energy-efficient:

  • Keep ductwork clean, and change or clean your air filters regularly.
  • Schedule regular inspections to take care of problems as they arise.
  • Keep your attic well-ventilated and make sure all doors and windows are well-sealed.
  • Install a smart thermostat. If you don't want to or can't buy one, try keeping the temperature indoors as close to the outside temperature as is comfortable.
  • When replacing part of your HVAC system, see if there are Energy Star-certified or similar environmentally friendly options.

Other San Marcos, TX Home Services

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