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Get your free estimateTrane Furnace Repair in San Antonio: What to Know First
Independent Trane furnace repair in San Antonio typically runs $150 – $700, with most common fixes like ignitor replacement or flame sensor cleaning completed same-day. We’re Brandt HVAC Co San Antonio, and we work on Trane furnaces every week during heating season, from Alamo Heights to Stone Oak to Helotes. Before any work starts, you get a written price. If your Trane furnace won’t kick on, is short-cycling, or smells like gas when it fires, call (361) 470-8872 and a live person answers, day or night.

This page is for Trane owners in San Antonio who want a straight answer about what’s wrong, what it costs, and whether the repair is worth doing. As an independent Trane service provider, we’re not tied to the manufacturer’s warranty department, so our interests line up with yours: fix it right the first time, at a fair price, with a guarantee in writing.
How Trane Products Fail – and How We Fix Them
Trane builds solid furnaces, but every line has its patterns. After years of service calls across San Antonio, we can usually narrow the problem down by the model series before we even open the panel. Here are the failures we see most often on Trane residential furnaces:
- XV95 and XC95m: Pressure switch nuisance trips. The high-efficiency Trane XV95 and XC95m condensing furnaces collect condensation in the collector box. In San Antonio’s humid winters, combined with drain lines that run through unconditioned attics, we regularly find partially clogged pressure switch ports causing the furnace to lock out. The fix is typically a cleanout of the port and trap assembly, plus relocating or re-sloping the condensate drain. Most shops just swap the switch; we address the water path so it doesn’t recur.
- XR80 and XB80: Hot surface ignitor fracture. The 80% AFUE Trane XR80 and XB80 furnaces use a silicon carbide ignitor that eventually develops hairline fractures from repeated thermal cycling. The symptom is predictable: the furnace tries to fire, you hear the gas valve click, and then nothing. We stock both Trane OEM ignitors and quality aftermarket equivalents, so the call is usually a single-visit fix at $150 – $300, parts and labor included.
- S9V2 and S9X2: Gas valve solenoid degradation. On newer Trane S-series furnaces installed in recent San Antonio construction, we’ve seen gas valves that fail to open reliably after three to five seasons. The symptom is intermittent no-heat with no error code. Rather than declaring the valve dead and quoting a replacement, we test solenoid resistance and gas pressure first. Sometimes it’s a dirty valve inlet screen, and the repair costs far less than the part.
- Heat exchanger stress cracks on older XE80 and XE90 units. The legacy Trane XE80 and XE90 furnaces, which are still running in plenty of San Antonio homes built from the 1980s through the early 2000s, can develop hairline cracks at the weld points after two decades of thermal expansion. If we suspect a heat exchanger issue, we scope it with a camera and test for carbon monoxide. When it’s confirmed, we’ll be honest about whether repair makes sense financially at all, given the age of the unit.
- Blower motor bearing wear on variable-speed XV80 and XV95 models. Variable-speed Trane furnaces move a lot of air, and the ECM motors in XV-series units can develop bearing noise well before the motor fails outright. We identify it early during tune-ups and replace the motor or module before a noisy blower becomes a no-heat call in January.
Styles & brands we work with






Our Trane Furnace Repair Process
Here’s how a Trane furnace repair works when you call Brandt HVAC Co San Antonio:
- 1
You call. A live person answers at (361) 470-8872, any hour. We get your address, the make and model of your furnace if you know it, and a description of what it’s doing or not doing.
- 2
You know who’s coming. Before the technician heads your way, you get the technician’s name and photo. When he arrives, he shows a photo ID badge at the door. If the person standing there doesn’t match who we told you to expect, that visit is on us, per the Threshold Verified standard.
- 3
Diagnosis with a written price. The tech tests the system: flame sensor, ignitor, gas valve, pressure switch, board, and airflow. He explains what he found in plain terms, then writes down the price before any work starts. No exceptions.
- 4
The parts decision. For Trane furnaces, we’ll recommend the right part for the job. On warranty-covered components, we use Trane OEM to keep your manufacturer coverage intact. On older units where the warranty has lapsed, we’ll offer both OEM and proven aftermarket options and let you decide.
- 5
The repair and the test. We make the repair, then cycle the furnace through full ignition and shutdown at least three times. We check temperature rise across the heat exchanger and verify the safety circuit responds correctly.
- 6
The guarantee, in writing. Every Trane furnace repair from us includes a written guarantee. If that repair fails within 365 days, we return at no charge under the 365-Day Done Right Promise. No argument, no second invoice.
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AfterWhat Trane Furnace Repair Costs in San Antonio
Most Trane furnace repairs in San Antonio fall between $150 and $700. The range depends on the part and the model series. Here’s how it typically breaks down:
- Flame sensor cleaning or replacement: $150 – $250
- Hot surface ignitor replacement: $150 – $300
- Pressure switch replacement: $200 – $350
- Gas valve replacement: $350 – $600
- Blower motor repair or replacement: $300 – $700 for PSC motors, more for variable-speed ECM modules
- Control board replacement: $350 – $550
What moves the price is the component itself and how much of the furnace needs to come apart to reach it. Newer S-series and XV-series Trane furnaces have more expensive electronics; older XE and XR units have simpler parts but sometimes harder access. You’ll always know the number before we turn a wrench. Call (361) 470-8872 for an exact quote on your furnace, and the estimate is free.
Why San Antonio Homeowners Call Brandt HVAC Co San Antonio for Trane Work
Brandt comes from an old word for a firebrand. Keeping a home warm is the whole reason this company exists. Devin Marlowe, our owner, grew up in Los Angeles and learned HVAC at Los Angeles Trade-Technical College before spending the better part of two decades working systems across the Southwest. He’s been running Trane repairs in San Antonio long enough to know which model series are common in every neighborhood from the Pearl District out to Cibolo.
We don’t just know Trane. We also service Carrier and Lennox furnaces, which matters because San Antonio homes are a mixed bag of brands depending on when and who built them. If your Trane furnace is beyond repair, or the repair cost doesn’t make sense against the age of the unit, we can give you an honest read and options. Every tech is background-checked, uniformed, and sent to you by name and photo before every visit. Every repair comes with a written price up front and a written guarantee when the job is done.
FAQs
We install Trane OEM parts on any furnace still covered by a Trane manufacturer warranty, and we provide the documentation you need so the warranty stays intact. As an independent Trane service provider, we’re not the ones who issue or pay out that warranty, but we do everything correctly so you don’t lose it. Call (361) 470-8872 and we can look up your furnace’s warranty status before scheduling.
Most common Trane furnace repairs, like ignitors, flame sensors, and pressure switches, are completed in a single visit because we stock the common parts for the XR, XV, and S-series furnaces in our vans. Larger failures like a cracked heat exchanger or failed variable-speed motor may require a second visit once parts are in hand. When you call, we’ll tell you what’s realistic for your specific furnace.
If the Trane furnace is 15 to 20 years old and the repair is a simple ignitor or flame sensor, fixing it for $150 – $300 makes sense. If the heat exchanger is cracked, the repair would cost most of what a new furnace costs, and we’ll tell you that plainly rather than pad the bill. We’ll give you our honest read on repair versus replace for your specific model and condition. Your call, our straight answer.
We run furnace repair calls throughout San Antonio and the surrounding area every day. If your Trane furnace has left the house without heat, call (361) 470-8872 and a live person will work you into the schedule. In most San Antonio neighborhoods, our technicians can be there same-day or next-morning depending on the call volume that week.
Written by Devin Marlowe, Owner, Brandt HVAC Co San Antonio at Brandt HVAC Co San Antonio, serving San Antonio and nearby areas.