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24-Hour Emergency HVAC Service in Alamo Heights, TX

Same-day response with upfront pricing by the job, not the hour

A live representative answers your call 24 hours a day, including nights, weekends, and holidays. Aire Serv of Alamo Heights dispatches insured service professionals to homes and businesses in Alamo Heights, Terrell Hills, Balcones Heights, Kirby, Castle Hills, Windcrest, and Monte Vista. We service all major brands, confirm your price before work begins, and charge by the job instead of the hour. 

24-Hour Emergency HVAC Service in Alamo Heights, TX
Same-day response with upfront pricing by the job, not the hour
An Aire Serv technician talks with a customer by their air conditioning unit outside.

Schedule Online

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Not every problem requires an after-hours visit, but several do. Complete loss of cooling during a South Texas heat wave is one of them, particularly in homes in Alamo Heights and Monte Vista with infants, elderly residents, or anyone with a respiratory or cardiac condition. Indoor temperatures climb quickly once a system stops.

Complete loss of heat during a hard freeze is equally urgent, both for occupant safety and because unheated interiors put plumbing at risk. Any gas odor, any carbon monoxide detector activation, burning or electrical smells from the equipment, visible sparking, or smoke means you should leave the building and call from a safe location.

Water is the other common emergency. A condensate drain that backs up, a failed condensate pump, or a leaking boiler can damage ceilings, drywall, and flooring within hours. Repeated breaker trips also qualify, since a system that keeps drawing fault current should not be reset again.

For commercial customers, refrigeration failure, server-room cooling loss, and tenant heat outages in multi-family properties all warrant immediate dispatch.

We answer calls 24 hours a day, offer same-day and Saturday appointments, and arrive with stocked trucks so common failures can often be corrected on the first visit. Pricing is confirmed before work starts, the diagnostic fee is waived from your invoice when you complete the repair, and all work is backed by the Neighborly Done Right Promise®.

  • Indoor temperatures climb fast during a South Texas summer and drop quickly during a hard freeze. Complete system failure becomes urgent in any home with infants, elderly residents, or anyone with a respiratory or cardiac condition.

  • Leave the building first, then call from a safe location. Gas odors, carbon monoxide detector activation, electrical or burning smells, visible sparking, and smoke all require immediate professional inspection before the system is restarted.

  • A backed-up condensate drain, failed condensate pump, or leaking boiler can damage ceilings and flooring within hours. A breaker that keeps tripping should never be reset repeatedly, since the system is drawing fault current.

An Aire Serv technician talks with a customer by their older air conditioning unit outside.

What to Do Before Our Service Professional Arrives

A few steps taken before we arrive can protect your home and shorten the repair. If you smell gas or a carbon monoxide alarm sounds, leave immediately, keep the door open behind you, and call from outside. Do not switch lights or appliances on or off on your way out.

If the emergency involves smoke, burning odors, or visible sparking, shut off power to the system at the breaker if you can reach it safely, and do not attempt to restart the equipment. Repeated resets on a shorted component can turn a repairable fault into a replacement.

For a cooling failure in summer, set the thermostat to off rather than leaving it calling for cool, close blinds on sun-facing windows, and move to the coolest part of the house. For a heating failure during a freeze, open cabinet doors under sinks on exterior walls and let a faucet drip to reduce the chance of frozen pipes.

If water is leaking from the air handler or boiler, shut the system down and place a container under the leak. Photograph anything that will be hard to see once we begin work, and clear a path to the equipment, whether that is an attic access, a closet, or an exterior pad.

Have your equipment brand and approximate age ready if you know them. Our service professionals work on all major brands across Alamo Heights, Castle Hills, Windcrest, and the surrounding area, and that information helps us bring the right parts on the first trip.

What to Do Before Our Service Professional Arrives
An Aire Serv technician talks with a customer by their air conditioning unit outside.

The Aire Serv Advantage

From tune-ups and maintenance to heater repair and air conditioning replacement, we provide services that keep the air you breathe clean and keep your home or business at the perfect temperature.

Worry-Free HVAC Starts with Our Advantage Plan

Keep your system running smoothly with expert care you can count on.

Aire Serv of Alamo Heights

Aire Serv of Alamo Heights provides 24-hour emergency HVAC service to homes and businesses in Alamo Heights, Terrell Hills, Balcones Heights, Kirby, Castle Hills, Windcrest, Monte Vista, and the surrounding San Antonio area. Calls are answered day and night, including weekends and holidays, and every repair is backed by the Neighborly Done Right Promise®.

HVAC Services in Alamo Heights and Surrounding Areas

Our insured service professionals handle emergency repairs, air conditioning, heating, heat pumps, mini-splits, boilers, ductwork, water heaters, and indoor air quality equipment throughout Alamo Heights and neighboring communities. We service all major brands, charge by the job rather than the hour, and confirm pricing upfront. Browse the services below or schedule online.

Emergency HVAC Service FAQs

When heating or cooling fails without warning, most callers want to know how fast someone can arrive and what an after-hours visit will cost. The answers below cover our availability, pricing structure, and the situations that justify an immediate call. Our line is staffed 24 hours a day, including weekends and holidays.

  • Calls are answered 24 hours a day and same-day appointments are available, with dispatch timing depending on call volume and your location within the service area. When you call, our representative will give you a realistic window rather than an estimate we cannot meet. Alamo Heights, Terrell Hills, Balcones Heights, Kirby, Castle Hills, Windcrest, and Monte Vista are all within our regular service area.

Worry-Free HVAC Starts with Our Advantage Plan

Keep your system running smoothly with expert care you can count on.

Schedule Online

By checking this box, I agree to opt in to receive automated SMS and/or MMS messages from Aire Serv, a Neighborly company, and its franchisees to the provided mobile number(s). Messages & data rates may apply. Message frequency varies. View Terms and Privacy Policy. Reply STOP to opt out of future messages. Reply HELP for help.

By entering your email address, you agree to receive emails about services, updates or promotions, and you agree to the Terms and Privacy Policy. You may unsubscribe at any time.