AC repair
Furnace & heating
Heat pumps
Ductless mini splits
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable AC Repair Across San Antonio
When your AC dies on a 104°F afternoon in San Antonio, TX, you need a repair crew that treats the call like the emergency it is. Most AC repairs in San Antonio run between $150 and $650 depending on the part that failed, and we get a background-checked technician to your door with a written price before any work starts. You’ll book online, get a live arrival time you can track to your door, and never sit through a four-hour window. Call (903) 623-6784 and a real person answers, 24/7.
We work across San Antonio daily, from Alamo Heights to the far north subdivisions off 1604. Our crews know which failures show up in 1940s bungalows versus 1980s tract homes, because the housing stock here isn’t one thing. It’s a mix of pier-and-beam construction near downtown, zero-lot-line homes with rooftop units, and newer builder-grade systems in master-planned communities. That local knowledge means we diagnose faster and fix it right the first time.
Every repair includes a written guarantee. If the fix fails within the coverage window, we return at no charge. That’s not a promise we make lightly in a city where a failed AC in August is a health risk, not an inconvenience.
Why Halden Heating and Air San Antonio Is San Antonio’s Preferred AC Repair Company
Halden Heating and Air is independently owned and operated, founded in 2004 and running under the Relay Home Co. network with The Relay Visibility Guarantee on every job. Led by Andre Fuller, our San Antonio team holds every repair to a standard most local HVAC companies won’t put in writing: a locked price before work begins, a written guarantee on the repair itself, and a free second visit if something fails.
San Antonio homeowners choose us because we run the way a modern service should. You book online. You see who’s coming, with a live arrival time you track to your door. The technician arrives in uniform, background-checked, and certified to service Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard, with full San Antonio Carrier service available. Before picking up a tool, you get the written price. No door-step surprises, no phone-tag scheduling, no voicemail at midnight.
Our dispatch and scheduling are coordinated from the brand’s San Antonio office, so when you call about a failing AC in Universal City or Helotes, you’re talking to someone who understands the local load conditions and housing stock. The 365-Day Done Right Promise backs every completed job: if it’s not done right, we make it right, for a full year.
Styles & brands we work with
AC Unit Repair in San Antonio
AC Unit Repair in San Antonio covers the full range of failures that knock out cooling during our long, brutal summers. When a San Antonio homeowner calls us, the most common culprits are failed capacitors, frozen evaporator coils, refrigerant leaks, and blower motors worn out by constant high-load operation. A full diagnostic is included, and the repair itself typically runs $150 to $650 here, depending on the part and the system’s age.
Diagnostics Before Parts
We don’t guess. A technician measures refrigerant pressures, checks static pressure across the coil, tests capacitors under load, and inspects the condensate line before recommending any repair. That matters in San Antonio, where undersized ductwork and clogged drains create failures that look like one problem but are actually another.
Same-Day Repair Where It’s Safe to Do
If the repair is straightforward and parts are on the truck, we complete it the same day. Bigger jobs get a written fixed price and a set install date. Either way, the price is locked before work starts, and the guarantee is included automatically.
AC Capacitor Replacement in San Antonio
AC Capacitor Replacement in San Antonio is one of the most common repairs we handle from May through September. The capacitor gives the compressor and fan motor the electrical jolt they need to start, and San Antonio’s sustained heat cooks them fast. A failing capacitor often shows up as a system that hums but won’t start, or a fan that spins slowly. Replacement here runs $150 to $350, including the part and labor.
Heat Kills Capacitors Early
Roof-mounted units on zero-lot-line homes in San Antonio are especially hard on capacitors. Direct sun and poor ventilation around the unit drive internal temperatures far above the rated spec, and we replace capacitors on rooftop systems far more often than on shaded ground units. A weak capacitor also strains the compressor, which turns a $200 fix into a $2,000 failure if ignored.
Why a Multi-Meter Test Matters
When our crew in San Antonio suspects a capacitor, we test it under load with a multi-meter, not just visually. A capacitor can look fine and still be delivering 30% below its rated microfarads. Replacing it before it fails outright keeps the system running through the next 100°F stretch.
Trusted Brands We Service in San Antonio
We’re certified to service major brands including Goodman, Rheem, York, and Daikin, along with Carrier, Trane, Lennox, Bryant, and American Standard. For San Antonio customers, that means we can diagnose and repair what you actually have, whether it’s a builder-grade Goodman in a far-north subdivision or a Daikin mini-split on a pier-and-beam bungalow near downtown. We stock common local parts for these systems, which speeds up repair times across San Antonio and keeps your system down for hours, not days.
Common AC Repair Problems We See in San Antonio Homes
- Frozen evaporator coils in 1920s-1950s homes: In Alamo Heights and Olmos Park, many older homes have undersized return ducts and radiant barrier issues. On 100°F+ days, the coil ices over and airflow drops to nothing.
- Capacitor and compressor failures on rooftop units: Zero-lot-line homes with rooftop condensers see direct sun and poor ventilation all afternoon. We replace capacitors and condenser coils on these units far more often than on shaded ground systems.
- Blower motor failures in closet-installed air handlers: 1960s tract homes across the north and west sides often hide the air handler in a closet. Restricted access means filters don’t get changed, static pressure climbs, and the blower motor burns out.
- Refrigerant leaks at mini-split flare fittings: Ductless mini-splits on older pier-and-beam homes near downtown develop leaks when condensate lines clog and back up into the line set during humid months. The fix is usually a flare fitting replacement and a refrigerant recharge.
See the difference
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After
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AfterPricing for AC Repair in San Antonio, TX
Here’s what AC repair actually costs in San Antonio, with the diagnostic included:
| Repair Type | Typical Cost in San Antonio |
|---|---|
| AC Capacitor Replacement | $150 – $350 |
| AC Unit Repair (diagnostic included) | $150 – $650 |
What moves the price is the part and the system’s age. A capacitor replacement on a ground unit is quick and inexpensive. A compressor replacement on a 15-year-old Goodman is at the top of the range. You’ll get a written price before any work starts, and every repair comes with a written guarantee. Estimates are free. Call (903) 623-6784 and we’ll give you an exact quote.
Here’s a local pattern we see constantly: In Alamo Heights and Olmos Park, many 1920s-1950s homes have undersized return ducts and radiant barrier issues that cause evaporator coils to freeze on 100°F+ days. That failure mode is far less common in San Antonio’s newer far-north subdivisions, where homes are tighter and better insulated but often saddled with cheaper builder-grade systems that fail in different ways. A technician who knows which failure goes with which San Antonio housing stock will diagnose faster and won’t sell you a part you don’t need.
Last July, our crew serviced a 1948 bungalow in Alamo Heights where a frozen evaporator coil had shut down the entire system. We found a 16-inch return duct pulling only 60% of the required static pressure for the 3-ton unit, along with a weak capacitor. After replacing the capacitor and upgrading the return collar to match the load calculation, we recharged the refrigerant and verified proper dehumidification. The homeowner got 22°F of temperature drop on a 104°F afternoon.
That’s the kind of repair you can’t do from a generic checklist. San Antonio’s mix of 1920s bungalows with frozen-coil airflow problems, 1960s tract homes with undersized ducts, and zero-lot-line rooftop units demands a crew that knows the difference. We do.
We Also Serve Cities Near San Antonio
Beyond San Antonio proper, our AC Repair team regularly runs calls to Universal City and Helotes. If you’re anywhere in the San Antonio metro and your AC stops keeping up, we’ll get a technician to you with a live arrival time and a written price. Call (903) 623-6784 to schedule.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About AC Repair in San Antonio
It’s almost always an airflow problem. Homes in Alamo Heights and Olmos Park built between the 1920s and 1950s often have return ducts too small for the tonnage they’re paired with, plus radiant barrier issues that raise attic temperatures. The coil gets too cold, condensation freezes, and airflow stops. We fix it by correcting static pressure, not just thawing the coil. Call (903) 623-6784 if your system is icing over.
Yes, and it’s often the right call. 1960s tract homes across San Antonio’s north and west sides typically have undersized ductwork and no practical way to add returns. A ductless mini-split from Daikin or Goodman solves room-specific cooling problems without tearing into walls. We’ll give you a written price and a set install date before any work begins.
Capacitor failure, by a wide margin. The capacitor starts the compressor and fan motor, and San Antonio’s sustained heat plus rooftop unit exposure wears them out fast. The good news: it’s a $150 to $350 repair, and we can usually do it same day. If you hear a hum but the fan won’t spin, call (903) 623-6784.
Winter freezes in San Antonio can damage poorly protected outdoor units, especially the condenser coil or the reversing valve on heat pumps. For reliable San Antonio Furnace Repair, we handle heat pump and heating system issues year-round. When summer hits, the system runs but can’t cool. We’ll diagnose the exact failure and give you a written price before touching anything. The diagnostic is included in the repair range of $150 to $650.
For repairs, generally no. For system replacements or any work that involves electrical or refrigerant line changes, San Antonio code may require a permit. We handle the paperwork on any job that needs it. What we don’t do is start work without you knowing the full written price first. Call (903) 623-6784 and we’ll walk you through it.
Get Your AC Fixed Today in San Antonio
Don’t wait out another 100°F afternoon with a struggling system. Halden Heating and Air San Antonio is ready 24/7 with live phone support, background-checked technicians you can track to the door, and a written price before any work starts. Every repair is guaranteed in writing, with a free return visit if it fails. Led by Andre Fuller, our team serves all of San Antonio, Universal City, and Helotes. Call (903) 623-6784 for a free estimate.
Written by Andre Fuller, Owner at Halden Heating and Air San Antonio.