Licensed HVAC Contractor in San Antonio

AC Repair

If it can be fixed, we’ll fix it

The AC Repairs Our Local Crew Handles

As your local HVAC contractor in San Antonio, we fix every part of a struggling system. Pick the repair you need, and we’ll get it sorted the honest way.

Emergency AC
Repair

When a heat wave kills your cooling, we run common parts like capacitors and contactors right off the truck. You’ll get same-day fixes in business hours, no overnight upcharge, real diagnosis first.

AC Maintenance
& Tune-Up

A running system still hides worn parts, weak charge, and dirty coils that steal cooling. We check the whole cycle and catch faults early, so your unit doesn’t quit on you mid-summer in Alamo Heights.

AC Diagnostics & Troubleshooting

We track a symptom to its real cause instead of swapping parts on a guess. Electrical, refrigerant charge, airflow, and the cooling cycle all get tested, then you’ll hear what failed in plain English.

Refrigerant Leak Repair

Low refrigerant means a leak, not a top-off, so we find and seal the source before recharging. With EPA 608 certified handling and honest pressure testing, you’ll get a real fix, not a yearly patch.

AC Compressor Repair

The compressor’s the priciest part to replace, so we confirm it’s truly failed before you spend. Often the culprit’s a hard-start kit, capacitor, or contactor instead, and we’ll show you honestly.

AC Capacitor & Electrical Repair

Bad capacitors, contactors, and relays cause a big share of no-cool calls in this heat. We test the electrical side and replace the failed piece, so you won’t pay for guesswork or parts you don’t use.

AC Coil Repair

A frozen or fouled evaporator coil chokes airflow and ices the system right when you need it most. We thaw, clean, and repair the coil, then trace why it failed so you aren’t back in the same spot.

AC Fan Motor Repair

The condenser or blower motor quits, air stops moving, and the house won’t cool at any setting. We test the motor, bearings, and capacitor, then swap what’s failed so your airflow comes back fast.

Air Duct Repair & Sealing

Older Terrell Hills homes lose cooled air into the attic through leaky ducts, so back rooms never cool. We seal and repair the runs to restore airflow. That’s sealing work, not duct cleaning.

Straightforward, Honest Pricing

Cross comfort off your to-do list forever

We explain every charge in plain English before any work starts, so the number is never a surprise on your final bill.

Basic
Take care of the essentials with our most affordable plan
$29/month
Free Filters For Life
Plus
Year-round coverage means comfort you can count on
$199/semi-annually
Free Filters For Life
2x/yr Inspections
2x/yr Tune-Ups
10% Off Parts & Service
$500 Off New Systems
$99 Each Additional System
Complete
Unlock additional savings and rest easy with our best plan
$399/year
Free Filters For Life

Did you know?

Whole cities grew up around air conditioning. Phoenix, Las Vegas, and much of Texas wouldn’t be year-round places without it, and San Antonio’s modern growth rode the very same wave.

AC Repair Questions We Hear Often

Real Questions. Real Answers.

Thinking about calling an HVAC contractor in San Antonio but not sure what to expect? These answers cover the repairs we handle, how we diagnose a fault, and what licensing to look for. Read on, and reach out if your question isn’t covered.

What does an HVAC contractor in San Antonio actually do?

An HVAC contractor in San Antonio diagnoses, repairs, and maintains the cooling and heating equipment that keeps a home livable through the long Texas summer. Aircules focuses on AC repair, from emergency no-cool calls and tune-ups to refrigerant leaks, compressors, capacitors, coils, fan motors, and duct repair and sealing. Every job starts with a real diagnosis so you know the true fault before you pay for parts.

How do I choose a trustworthy HVAC contractor in San Antonio?

Look for an active Texas TDLR license, proof of insurance, EPA 608 certification, and a clear willingness to explain the problem before charging you. Avoid any San Antonio contractor who pressures you, demands large payments upfront, or pushes a full replacement before diagnosing the actual fault. Aircules is licensed, insured, family-owned, and built on honest diagnosis, and you are welcome to bring a chain-shop bid for a second opinion.

Is Aircules licensed and insured in San Antonio?

Aircules holds Texas TDLR ACR Contractor License TACLA00102222C, a Class A license with the Combined endorsement that covers both air conditioning and commercial refrigeration. The company is insured, EPA Section 608 certified for refrigerant handling, and carries a BBB A+ rating earned in San Antonio since 2020. Licensing and insurance are the baseline here, and the real difference is honest, plain-English service.

How much does it cost to hire an HVAC contractor in San Antonio?

The cost of HVAC repair work in San Antonio tracks the specific fault, the part and how easy it is to reach, your system size and refrigerant type, and the age and access of the home. A common capacitor swap is a small job, while a compressor or refrigerant leak repair costs more for the labor and materials involved. Aircules diagnoses first, then quotes the actual repair so the price reflects your system, not a generic menu.

What are the signs my AC needs a repair in San Antonio?

Warm air from the vents, weak airflow, short-cycling, strange noises, ice on the refrigerant lines, or a sudden jump in your electric bill all signal a San Antonio AC that needs attention. Because the cooling season here runs close to six months with frequent 100°F days, those symptoms tend to surface fast as the system runs nearly nonstop through summer. Aircules tracks the symptom to its real cause instead of replacing parts on a guess.

What is included in an AC diagnostic from Aircules in San Antonio?

An Aircules diagnostic in San Antonio checks the electrical components, refrigerant charge, airflow, and the cooling cycle to find the actual fault rather than the easiest part to sell. You get a plain-English explanation of what failed and why, along with your repair options. The fee covers that real troubleshooting, and we will look at another shop’s bid if you have one.

Why is my AC short-cycling in San Antonio?

Short-cycling, where the AC turns on and off in quick bursts, often comes from an oversized system, low refrigerant, a dirty filter, a failing capacitor, or a frozen coil. With San Antonio’s cooling season running close to six months, that heavy run-time wears these parts faster, so the cause needs a real diagnosis rather than a guess. Aircules finds which of these is driving it before recommending a fix.

What’s the difference between air duct repair and duct cleaning in San Antonio?

Aircules repairs and seals leaky ductwork in San Antonio, which is a common reason older homes lose cooled air into the attic and never get comfortable. We do not offer duct cleaning, since sealing and repairing the duct system is what actually restores airflow and efficiency. This matters in San Antonio’s older neighborhoods, where original ductwork was never built for modern central cooling.

Can you fix my AC the same day in San Antonio?

Many AC repairs in San Antonio get done the same day during business hours because Aircules carries common parts like capacitors and contactors on the truck. Hours are 7am to 7pm Monday through Saturday, and emergency help means same-day service during those hours rather than overnight upcharges. Larger repairs that need ordered parts may take longer, and we tell you that timeline up front.

Do I really need a new compressor, or can it be repaired in San Antonio?

A failed compressor is one of the most expensive AC repairs, which is exactly why a second opinion matters before you replace one in San Antonio. Sometimes the real problem is a hard-start component, a capacitor, or a contactor rather than the compressor itself. Aircules diagnoses the compressor honestly and invites you to bring the chain-shop bid so you are not paying thousands for a part you may not need.

Still have questions?

Your best choice for comfort in San Antonio is right here

No matter how big or small your job is, we’ll treat you like family every single time

Get In Touch

For emergency service, please call or text so we can better serve you.

Copyright © 2026. All rights reserved.