Top Emergency HVAC Services in San Marcos, TX,  78656  | Compare & Call

San Marcos HVAC Company

San Marcos HVAC Company

San Marcos, TX
Emergency HVAC Services

Phone : (888) 996-4787

Serving San Marcos, Texas, San Marcos HVAC Company provides heating and cooling support for residential systems. The goal is steady service, clear communication, and reliable results.
FEATURED
Competition A/C & Heat

Competition A/C & Heat

★★★★★ 4.8 / 5 (61)
San Marcos TX 78666
Heating & Air Conditioning/HVAC

In San Marcos, TX, Competition A/C & Heat is a trusted, family-owned HVAC contractor. They provide expert repairs, installations, and maintenance for heating and cooling systems. With a Navy veteran owner dedicated to honest service, they offer reliable solutions for homes across Central Texas. You can count on them for straightforward help with your HVAC needs.

Woods Comfort Systems

Woods Comfort Systems

★★★★☆ 3.8 / 5 (76)
1902 Dutton Dr, San Marcos TX 78666
Heating & Air Conditioning/HVAC, Water Heater Installation/Repair, Plumbing

Since 1956, Woods Comfort Systems has been a trusted San Marcos, TX HVAC and plumbing provider. Their certified technicians offer heating, cooling, and water heater services with 24/7 emergency support. They are a reliable choice for residential and commercial needs throughout Central Texas.

AirOne Heating and Air Conditioning

AirOne Heating and Air Conditioning

★★★★★ 4.5 / 5 (15)
4105 Hunter Rd Bldg 8 Ste 11, San Marcos TX 78666
Heating & Air Conditioning/HVAC

AirOne Heating and Air Conditioning is a trusted family-owned HVAC company serving San Marcos, TX since 1985. Their skilled technicians provide installation, repair, and maintenance, backed by a strong local reputation. They offer reliable 24/7 emergency service for all your heating and cooling needs across the greater San Antonio area.

Marvin's Heating & Air Conditioning

Marvin's Heating & Air Conditioning

★★★★★ 4.8 / 5 (12)
102 Manor Park Rd, San Marcos TX 78666
Heating & Air Conditioning/HVAC

Since 1982, Marvin's Heating & Air Conditioning has been a trusted San Marcos, TX HVAC company. They provide skilled installation and repair for heating and cooling systems. This family-operated contractor serves the local area with reliable service for both homes and businesses, offering expert solutions for all your climate control needs.

SM Air A/C & Heating

SM Air A/C & Heating

★★★★☆ 4.4 / 5 (20)
3500 Hwy 123, San Marcos TX 78666
Heating & Air Conditioning/HVAC

For San Marcos, TX heating and cooling needs, SM Air A/C & Heating has been the trusted local choice since 1986. They handle HVAC installation, repairs, and maintenance, offering reliable service to keep your home comfortable. With a long-standing reputation for quality, their skilled team provides honest solutions for both routine and urgent HVAC issues.

Roland Bazan Heating & Air Conditioning

Roland Bazan Heating & Air Conditioning

★★★★★ 5.0 / 5 (2)
1606 Mockingbird Dr, San Marcos TX 78666
Heating & Air Conditioning/HVAC, Handyman

Roland Bazan Heating & Air Conditioning provides reliable HVAC service to San Marcos, TX and nearby communities. Their skilled technicians handle system installations, replacements, and repairs. Known as a trusted local company, they are committed to customer satisfaction for your heating and cooling needs.

Quality HVAC Refrigeration

Quality HVAC Refrigeration

★★★★☆ 4.3 / 5 (11)
105 Picasso Dr, San Marcos TX 78666
Heating & Air Conditioning/HVAC

For reliable HVAC services in San Marcos, TX, call Quality HVAC Refrigeration. With over 14 years serving the area, this locally-owned company provides installation, repair, and maintenance. Their skilled technicians offer 24/7 emergency support. A BBB Accredited Business, they bring decades of expertise to every job for homes in New Braunfels, Buda, and surrounding communities.

Dean's Shop

Dean's Shop

★★★★☆ 3.8 / 5 (12)
290 Wonder World Dr Ste 103, San Marcos TX 78666
Heating & Air Conditioning/HVAC, Electricians

Since 1942, Dean's Shop has been a trusted HVAC and electrical contractor serving San Marcos, TX. Specializing in heating, air conditioning, and electrical repair, their skilled team handles installations, maintenance, and system repairs. Recognized by the community for quality work, they back all jobs with a substantial ten-year warranty on parts and labor for lasting peace of mind.

Finch Mechanical Contractors

Finch Mechanical Contractors

★★★★★ 5.0 / 5 (2)
142 B S Lbj Dr, San Marcos TX 78667
Heating & Air Conditioning/HVAC

Since 1974, Finch Mechanical Contractors has been a trusted HVAC company serving San Marcos, TX, and surrounding communities. They offer expert heating and cooling installation, repair, and maintenance. For urgent needs, emergency after-hours service is available. Their family-owned team provides reliable service for both residential and commercial systems.

Air Tex Solutions

Air Tex Solutions

San Marcos TX 78666
Heating & Air Conditioning/HVAC, Water Heater Installation/Repair

Air Tex Solutions is a trusted HVAC contractor in San Marcos, TX, with over 30 years of family-owned experience. They offer reliable heating and cooling system installation, repair, and maintenance, along with water heater services. Available 24/7 for emergency calls, their licensed technicians are known for honest work and fair pricing throughout the local area.

PreviousNext


Your Guide to Reliable HVAC Service in San Marcos, TX

Living in San Marcos means enjoying the Hill Country beauty, but it also means dealing with some serious weather. Our summers can bring blistering heatwaves that push air conditioners to the limit, while our winters sometimes surprise us with deep freezes that test every furnace. When your comfort system breaks down, you need help fast. This is your local guide to understanding HVAC service in San Marcos, TX, for both routine care and those urgent, after-hours emergencies.

What HVAC Service Means for San Marcos Homes

HVAC service here is about more than just fixing a broken unit. It's a full range of care to keep your home safe and comfortable year-round. For homeowners in neighborhoods from Old Town to Northside, this includes regular maintenance to prevent problems, repairs for unexpected breakdowns, and fast emergency response when you need it most. Many local families rely on same-day service for sudden AC failures during a heatwave or seasonal tune-ups to prepare their furnace for a cold snap. It’s all about keeping your system running smoothly through every Texas season.

What Is Considered an HVAC Emergency?

Not every HVAC problem needs a 3 a.m. phone call. But some situations are true emergencies that require immediate attention for your safety. In San Marcos, we consider these scenarios emergencies: a total loss of heat during freezing temperatures, a complete AC failure during an extreme heat advisory, any smell of gas or suspicion of carbon monoxide, electrical burning smells coming from your equipment, or a major water leak from your AC system that’s causing indoor flooding. These are safety-first situations where waiting isn't an option.

How Our Local Climate Stresses Your HVAC System

San Marcos's climate creates unique challenges for heating and cooling systems. Our high humidity doesn't just make hot days feel hotter; it makes AC units work harder to pull moisture from the air, which can lead to frozen coils and clogged drain lines. Heatwaves strain compressors and motors, while occasional winter storms can cause furnaces to fail when you need them most. Whether you live in a historic downtown home with an older gas furnace, a newer development with a heat pump, or a condo with a ductless mini-split, the local weather takes its toll. Dust and pollen from our beautiful surroundings can also clog filters and reduce airflow, making regular HVAC service near you essential.

Common HVAC Problems We See in San Marcos

As local technicians, we see certain issues again and again. On the hottest days of the year, we get calls for AC units that are running but not cooling—often due to a failed capacitor or a refrigerant leak. In winter, furnaces that won’t ignite are common, sometimes from a faulty flame sensor or a clogged filter. One frequent problem, especially in our humid climate, is a clogged condensate drain line. This can cause your AC to leak water inside your house, potentially damaging floors and walls. We also respond to calls about strange noises, weak airflow, and concerns about carbon monoxide from aging heating systems. Just last month, we helped a family in the Milltown area whose AC shut down during a 102-degree day because a clogged drain line tripped the safety switch. Another call from a homeowner near Texas State University was for a furnace making a loud banging noise at startup—a clear sign of a delayed ignition that needed prompt repair.

Emergency HVAC vs. Same-Day vs. Routine Service

Knowing which service to call for can save you stress and money. Emergency HVAC service is for those immediate safety threats we discussed: no heat in a freeze, no AC in dangerous heat, or gas smells. Same-day HVAC service is perfect for urgent but non-life-threatening issues, like a system that's making odd noises or not performing well, but you still have some cooling or heating. You'd call for same-day service to get a technician out quickly during regular business hours. Routine service is for scheduled maintenance, like your spring AC tune-up or fall furnace check, which helps prevent emergencies altogether. Understanding this difference is key to getting the right HVAC service in San Marcos, TX.

A Transparent Look at HVAC Service Costs in San Marcos

We believe in clear, upfront pricing. Most HVAC service calls start with a diagnostic fee, which covers the technician's time to identify the problem. For an emergency after-hours call, there is typically an emergency call-out fee on top of that. Labor rates are often higher during evenings, weekends, or holidays—usually 1.5 to 2 times the standard rate. After diagnosis, you'll pay for parts and the labor to install them. For major projects like a full system replacement, there may also be permit costs from the city. As a local example, a common repair like replacing a faulty capacitor during a weekday might cost between $250-$450. An emergency furnace repair on a cold Sunday night, involving a new ignitor and the after-hours premiums, could range from $500-$800. These are estimates, and your technician will always provide a clear quote before any work begins.

Signs You Need Immediate HVAC Service

Don't ignore these warning signs. If you experience any of the following, it's time to call for professional help right away:

  • No heat during freezing winter weather.
  • Your carbon monoxide alarm is sounding.
  • A strong smell of gas near your furnace.
  • Smoke or burning electrical smells from the HVAC unit.
  • Water pooling from your indoor AC unit.
  • Loud banging, screeching, or arcing noises.
  • Complete AC failure during a period of dangerous heat.

Safety Checklist While You Wait for Help

If you have an emergency and are waiting for a technician, please stay safe. Follow these steps:

  • If you smell gas, evacuate everyone from the home immediately and call your gas utility from outside. Do not operate light switches.
  • If your CO alarm sounds, get fresh air immediately and call for help.
  • If it is safe to do so, turn off your HVAC system at the thermostat and the circuit breaker.
  • Keep everyone, especially children and pets, away from the malfunctioning equipment.
  • Move elderly family members or anyone with health concerns to a safer location with temperature control.

Remember, never attempt to repair gas lines or high-voltage electrical components yourself.

Local Codes and Why Professional Service Matters

In San Marcos, HVAC work must meet specific codes for safety and efficiency. This includes proper furnace venting to prevent carbon monoxide hazards, EPA-certified handling of refrigerants, and permits for major installations. Hiring a licensed professional for your HVAC service ensures the work is done right, protects your home's value, and keeps your family safe. It's not just a repair; it's an investment in your home's safety and comfort.

What to Expect: Response Times in San Marcos

When you call for emergency HVAC service in San Marcos, TX, you can typically expect a technician to be dispatched quickly, often within 60 to 180 minutes depending on call volume, severe weather conditions, and your specific location in the city. Our teams navigate from neighborhoods like Spring Lake Hills to downtown to provide timely help. Major routes like I-35 help us reach you efficiently, but during heavy traffic or storms, response times may be adjusted for safety.

Your Local Partner for Comfort and Safety

Your HVAC system is your first line of defense against Texas weather. Understanding your options for HVAC service in San Marcos, TX—from preventative maintenance to emergency repairs—helps you make smart decisions for your home. When problems arise, knowing you have a reliable local team to call brings real peace of mind.

San Marcos Emergency HVAC provides trusted HVAC service in San Marcos, TX, including 24/7 emergency response and same-day repairs. Call (888) 996-4787 now for immediate dispatch.





Scroll to Top
CALL US NOW