Top Emergency HVAC Services in San Antonio, TX,  78023  | Compare & Call

San Antonio HVAC Company

San Antonio HVAC Company

San Antonio, TX
Emergency HVAC Services

Phone : (888) 996-4787

Serving San Antonio, Texas, San Antonio HVAC Company provides heating and cooling support for residential systems. The goal is steady service, clear communication, and reliable results.
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Johnny On the Spot Heating & Cooling

Johnny On the Spot Heating & Cooling

San Antonio TX 78237
Heating & Air Conditioning/HVAC

For over 15 years, Johnny On the Spot Heating & Cooling has been San Antonio's trusted HVAC provider. Their skilled technicians offer reliable heating and air conditioning installation, repair, and maintenance. They provide dependable service to the greater San Antonio area, backed by a satisfaction guarantee and free consultations.

KolorKist

KolorKist

★★★☆☆ 2.7 / 5 (11)
1235 Safari St, San Antonio TX 78216
Carpet Cleaning, Heating & Air Conditioning/HVAC, Pressure Washers

For over 25 years, KolorKist has been a trusted provider for San Antonio, TX homeowners. Offering 24/7 emergency carpet cleaning, HVAC installation, and pressure washing, their certified specialists handle everything from system repairs to tile and grout. Shaun Billings and his skilled team bring reliable service to San Antonio and Castle Hills.

Gabe's Priority AC Service

Gabe's Priority AC Service

★★★★★ 5.0 / 5 (6)
252 Durant St, San Antonio TX 78237
Heating & Air Conditioning/HVAC

Gabe's Priority AC Service is a trusted San Antonio, TX HVAC company providing 24/7 emergency support. Since 2013, they have offered dependable heating and cooling installation, repair, and maintenance. Their skilled technicians stand behind their work with a commitment to getting it right, serving communities from Converse to Castroville.

Air Speed Heating and Cooling

Air Speed Heating and Cooling

★★★★★ 5.0 / 5 (4)
318 E Nakoma W1, San Antonio TX 78216
Heating & Air Conditioning/HVAC

In San Antonio, TX, Air Speed Heating and Cooling is the trusted, family-owned HVAC provider since 1999. Their skilled, NATE-certified technicians handle everything from system installation and repairs to maintenance. They are known for reliable service and offer free estimates for both residential and commercial heating and cooling needs in the area.

National Wholesale Supply

National Wholesale Supply

★★★☆☆ 3.0 / 5 (6)
3115 NW Loop 410, San Antonio TX 78230
Kitchen & Bath, Appliances, Heating & Air Conditioning/HVAC

For kitchen, bath, and HVAC needs in San Antonio, TX, National Wholesale Supply is a reliable local source. They provide a wide range of appliances and heating & cooling products. Serving San Antonio, Castle Hills, and Balcones Heights, they are known for dependable service and consistent quality for both residential and commercial projects.

Temp Tex AC & Heating

Temp Tex AC & Heating

★★★★★ 5.0 / 5 (2)
1865 Grosenbacher Rd Ste 4, San Antonio TX 78245
Heating & Air Conditioning/HVAC

Temp Tex AC & Heating provides reliable HVAC service to San Antonio, TX. Their skilled technicians handle system installation, repair, and maintenance. They focus on air conditioning repair, installation, and improving indoor air quality for homeowners. Available for routine and urgent needs, this established company is a trusted local resource for keeping homes comfortable.

South TX Mechanical

South TX Mechanical

★☆☆☆☆ 1.0 / 5 (1)
109 Atwater Dr, San Antonio TX 78213
Heating & Air Conditioning/HVAC

South TX Mechanical provides reliable heating and air conditioning services to San Antonio, TX. A trusted local HVAC company, they serve Castle Hills and the surrounding area with skilled technicians. They are committed to customer satisfaction and are available to handle your system's needs during regular business hours. For dependable climate control solutions, call South TX Mechanical today.

Airhome Design Heating & Cooling

Airhome Design Heating & Cooling

★★★★★ 5.0 / 5 (1)
942 W Lynwood, San Antonio TX 78201
Heating & Air Conditioning/HVAC

With 30 years of combined experience, Airhome Design Heating & Cooling provides trusted HVAC installation and repair for San Antonio, TX. They offer reliable service for residential and commercial systems, backed by strong warranties. Their skilled technicians are available seven days a week for your heating and air conditioning needs.

Hero's AC & Heating

Hero's AC & Heating

★★☆☆☆ 1.8 / 5 (5)
4000 Blanco Rd, San Antonio TX 78212
Heating & Air Conditioning/HVAC

Hero's AC & Heating provides reliable HVAC installation, repair, and maintenance services for San Antonio, TX homes and businesses. With roots in the industry since 1999, this locally-owned company is a trusted choice for keeping systems running smoothly year-round.

Arctic Cooling Air Conditioning & Refrigeration

Arctic Cooling Air Conditioning & Refrigeration

★★★★★ 5.0 / 5 (1)
5460 Babcock Rd, San Antonio TX 78240
Heating & Air Conditioning/HVAC

With 18 years of experience, Arctic Cooling Air Conditioning & Refrigeration is a trusted HVAC service provider in San Antonio, TX. They offer expert installation, repair, and maintenance for residential and commercial systems. Their skilled technicians are available for emergency support 24 hours a day, seven days a week, providing reliable climate control solutions.



A Guide to Reliable HVAC Service in San Antonio, TX

When the San Antonio heat index climbs over 100°F or a rare South Texas freeze rolls through, your home's comfort system isn't just a luxury—it's essential. This guide will help you understand everything about HVAC service in San Antonio, TX, from routine maintenance to handling a late-night emergency. Whether you're in Alamo Heights, Stone Oak, or downtown, knowing your options brings peace of mind.

What HVAC Service Covers for San Antonio Homeowners

HVAC service here is a year-round partnership. It starts with preventive maintenance, like our spring AC tune-up before the brutal summer and a fall furnace check before any chilly spells. But it also means being ready for repairs, big and small. For many local families, it includes the critical safety net of 24/7 emergency HVAC service. We provide same-day HVAC service for those urgent but not life-threatening issues, like an AC struggling on a hot day. Think of it as full-spectrum care for your home's heating and cooling, tailored to our unique climate.

Defining a True HVAC Emergency in Our Community

Not every problem requires a midnight call. A true emergency puts your home, safety, or health at immediate risk. In San Antonio, we consider these situations emergencies: a complete loss of heat when temperatures are near or below freezing; a total AC failure during a dangerous heatwave; any smell of gas or a carbon monoxide alarm sounding; visible smoke or strong burning odors from the unit; or a major water leak from your indoor AC unit that's causing flooding. In these cases, waiting until morning isn't safe.

How San Antonio's Climate Tests Your HVAC System

Our weather is tough on equipment. The relentless summer heat and humidity force AC units to run constantly, leading to wear on compressors and clogged condensate drains. Our dusty environment and high pollen count can quickly dirty filters and coils, reducing efficiency. In older neighborhoods like King William or Monte Vista, you might find aging gas furnaces that need careful monitoring. Newer homes in areas like The Dominion often use heat pumps, which work hard in both summer and our mild winters. Whether it's a central system, a ductless mini-split, or a packaged unit, the local elements demand vigilant HVAC service.

Common HVAC Issues We See Across San Antonio

We've helped thousands of local homeowners. Just last summer, a family in Leon Valley called because their AC was blowing warm air on a 105°F day—a failing capacitor was the culprit, a common fix. In winter, a homeowner in Terrell Hills had no heat; a dirty flame sensor in their furnace just needed cleaning. Other frequent calls include AC units leaking water inside (usually a blocked drain line), frozen evaporator coils from low refrigerant, and thermostats failing due to power surges from our occasional storms. We also take carbon monoxide risks seriously, especially in homes with older gas appliances.

Emergency HVAC vs. Same-Day vs. Routine Service: Knowing When to Call

This is key for any homeowner seeking HVAC service. Call for emergency HVAC service immediately for the safety issues listed above. For same-day HVAC service, think of problems like reduced cooling on a hot day, strange noises during operation, or a thermostat that's acting up—you need it fixed quickly, but it's not an immediate danger. Schedule routine HVAC service for your seasonal tune-ups, minor airflow concerns, or planning a system replacement. Understanding this difference helps you get the right help at the right time.

Understanding HVAC Service Costs in San Antonio

We believe in transparency. Most service calls begin with a standard diagnostic fee, which covers the technician's time to pinpoint the problem. For emergency or after-hours calls, there is typically an emergency call-out fee on top of that, and labor rates may be higher. Hourly labor, plus the cost of any parts, makes up the remainder. For example, a common daytime AC repair like replacing a capacitor might cost between $250-$400. An emergency furnace repair on a cold night, involving a new ignitor and after-hours rates, could range from $500-$800. These are estimates; we always provide a clear quote before any work begins.

Signs You Need Immediate HVAC Service

  • No heat during freezing weather.
  • Your carbon monoxide alarm is sounding.
  • You smell natural gas or rotten eggs (mercaptan odorant).
  • You see smoke or smell burning electrical odors from the unit.
  • Water is pooling from your indoor AC unit or air handler.
  • There are loud banging, screeching, or buzzing noises.
  • Your AC has completely failed during a period of dangerous heat.

Safety Checklist While You Wait for Help

  • If you smell gas, evacuate immediately and call your gas company from outside.
  • If the CO alarm sounds, get everyone, including pets, outside to fresh air and call 911.
  • If it's safe to do so, turn off the HVAC system at the thermostat and the circuit breaker.
  • Keep away from any electrical components that are sparking or smoking.
  • Move children, elderly family members, or anyone with health conditions to a safe, temperate location.
  • Remember: never attempt repairs on gas lines or high-voltage electrical components yourself.

Local Codes and Why Professional Service Matters

San Antonio and Bexar County have specific codes for HVAC work. Proper furnace venting is critical to prevent CO poisoning. Handling refrigerant, required for AC and heat pump service, requires an EPA 608 certification. Major installations like a new system often need a permit from the city. Using a licensed, insured HVAC service provider ensures the work is done safely, correctly, and in compliance with all local regulations—protecting your home and your investment.

What to Expect for Response Times in San Antonio

When you call for emergency HVAC service, our goal is to have a technician dispatched and on the road quickly. In the San Antonio metro area, typical response times can range from 60 to 180 minutes, depending on traffic, severe weather, and your specific location relative to our technicians. We navigate major arteries like I-10, I-35, Loop 1604, and US-281 to reach neighborhoods from the Medical Center to Schertz as fast as safely possible.

Your Local Partner for Home Comfort and Safety

Navigating HVAC service in San Antonio, TX, requires a local partner who understands our weather, our homes, and the urgency when things go wrong. From planned maintenance to urgent repairs, we're here to keep your family safe and comfortable year-round.

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





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