Heating Repair in San Antonio, Free $89 Diagnostic With Repair
CO and gas-safety SOP on every furnace call, ignitor stocked on every truck, written estimate before any work, and 30-day callback warranty.
When a cold front pushes San Antonio from 72 degrees to 28 degrees in eighteen hours, your furnace gets asked to do work it has not done in nine months, and that is when failures surface. Above & Beyond dispatches a NATE-trained, EPA 608-certified tech on a same-day or next-business-day window across Bexar, Comal, and Guadalupe counties. Every truck arrives stocked with hot-surface ignitors, flame sensors, common blower and inducer motors, gas valves, and surge protectors, so most heating repairs finish on the first visit.
We hold all four major manufacturer designations and TDLR Class A License TACLA00095687E. Every gas-system call includes a combustion safety test, with CO measurement at the supply register, draft check on the flue, and gas-leak detection at unions and valves. Most SA shops skip this. We do not.
The Three Most Common SA Heating Failures
Fan Motor Failures
#1 SA Heating Failure
Hot-Surface Ignitor Failures
Cold-Snap Killer
Circuit Board Failures
Post-Uri SA Failure
Failure #1: Fan Motor Failures (the #1 SA heating failure we diagnose)
What you notice
The thermostat calls for heat but nothing happens, or the burners light briefly, then the system shuts down on safety. Sometimes a grinding or rumbling noise from the indoor unit just before failure.
Why so common in SA
Nine-month idle cycle. Most SA heating systems run 90-120 days a year. Then the first cold front demands full-load operation from a cold start, and bearings seize, capacitors fail, and ECM modules trip.
The honest scope
PSC blower motors usually come with a matched capacitor and we replace both when one fails. ECM motors with bad modules sometimes only need the module, not the full motor.
Failure #2: Hot-Surface Ignitor Failures (the cold-snap killer)
What you notice
The blower fan kicks on but cold air blows from the registers. The burners never light, or they light and immediately shut off.
How we fix it
Ohm-resistance test against manufacturer spec. Every truck carries hot-surface ignitors for the major manufacturers (Carrier, Day & Night, American Standard, Trane, Goodman, Rheem, Lennox), so first-visit replacement is the norm.
Failure #3: Circuit Board Failures (the post-Uri SA failure)
What you notice
Intermittent behavior. The system works one morning, sits dead the next, runs fine again that afternoon. Sometimes a blinking error code on the indoor furnace LED that you cannot reset.
Why so common in SA
Winter Storm Uri in February 2021 killed grid power across SA for up to four days. Many boards are still running with intermittent faults. The board did not die outright, but micro-damage to relays and solder joints causes random no-starts five years on.
The honest scope
Every circuit-board replacement leaves with a unit-level surge protector installed ($50-$100). It prevents 95 percent of grid-driven board failures.
Our Process, Start to Finish
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You call (210) 897-8658. An Above & Beyond team member answers, no offshore call center. We ask three questions: what the system is doing, when it started, and whether anyone in the home is heat-sensitive. Most diagnostic visits are scheduled same-day or next business day.
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You receive a text 20-30 minutes before the technician arrives with their name, photo, and accurate ETA. The same technician dispatched to your home performs the diagnostic, writes the estimate, and completes the repair. No subcontractors, no rotating crew.
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25-45 minutes typical. Combustion analyzer on the gas furnace, CO measurement at the supply register, draft check on the flue, gas-leak detection at unions and valves, microfarad test on the blower capacitor, amp draw on the blower and inducer motors, control-board voltage trace, heat exchanger visual and camera check. The $89 diagnostic fee is waived when you proceed with a repair on the same visit.
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Verbatim parts and labor pricing on a written estimate before we touch the system. If we find more than the original symptom, such as a failing ignitor uncovered during a circuit-board repair, we stop and rewrite the estimate.
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Every truck carries hot-surface ignitors, flame sensors, common blower and inducer motors, gas valves for the major manufacturers, control boards for the most-failing models, thermocouples for older systems, and unit-level surge protectors.
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We verify the repair under a full heat call, retest combustion safety, walk you through what we found, and email a written-findings report. Every repair carries a 30-day callback warranty.
What Every Heating Repair Includes
The same workflow runs on every service call regardless of failure type.
| Component or Step | What We Do | Notes |
|---|---|---|
| Combustion Safety Test | CO measurement at the supply register, draft check on the flue, gas-leak detection at unions and valves | Every gas-system call. Most SA shops skip this. |
| Flame Sensor Inspection | Visual and resistance check; clean and re-seat or replace if carbon-over | Often a 90-second clean restores the part |
| Hot-Surface Ignitor Test | Ohm-resistance check against manufacturer spec | Below threshold means replace. Wear part. |
| Gas Valve Verification | Inlet and manifold pressure measured under load against nameplate | Tight-tolerance component. Safety-critical. |
| Inducer and Blower Motor Amp Draw | Verify against nameplate. High amps indicate bearings, capacitor, or load issue | Every call |
| Capacitor Microfarad Test | Multimeter check against nameplate (PSC blowers) | Below 90% means proactive replace |
| Control Board Voltage Trace | 24V output, ignition-circuit voltage, blower-call relay trace | Catches post-Uri surge damage early |
| Heat Exchanger Inspection | Visual and camera check for cracks, scorching, scale | Safety repair if cracked. Do not ignore. |
| Heat Pump Defrost Check | Defrost-board cycle test, reversing-valve solenoid voltage | Heat-pump systems only |
| Written Findings Report | Customer-facing summary with photos, flagged items, verbatim repair pricing | Emailed at the end of the visit |
Heating Repair Pricing in San Antonio
The ranges below reflect our current San Antonio pricing. Final pricing depends on the specific component, system age, and access difficulty, and your written estimate is exact. The $89 diagnostic fee is waived when you proceed with a repair on the same visit.
| Repair | Price Range | Typical Visit Time |
|---|---|---|
| Hot-Surface Ignitor Replacement | $150 – $400 | Under 1 hour |
| Flame Sensor Cleaning and Replace | $89 – $250 | Under 1 hour |
| Thermocouple Replacement (Older Systems) | $150 – $300 | About 1 hour |
| Gas Valve Replacement | $400 – $900 | 1.5 to 3 hours |
| Inducer Motor Replacement | $400 – $800 | About 2 hours |
| Blower Motor Replacement | $400 – $900 | 1 to 2 hours (ECM upper end) |
| Control Board Repair and Replace | $400 – $800 | Common after post-Uri surge damage; unit-level surge protector included on every replacement |
| Heat Exchanger Replacement | $1,500 – $3,500 | Safety repair. Often replacement is the better math on systems 15-plus years old. |
| Heat Pump Reversing Valve | $600 – $1,200 | 2 to 4 hours; brazing and recharge |
| Heat Pump Defrost Board | $400 – $700 | 1 to 2 hours |
| Electric Heat-Strip Element | $300 – $700 per element | About 1 hour each |
| Surge Protector (Unit-Level) | $50 – $100 | Prevents 95% of grid-driven board failures |
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Frequently Asked Questions
How much does heating repair cost in San Antonio?
Most SA heating repairs land between $150 and $700. Common ranges: hot-surface ignitor $150-$400, flame sensor clean or replace $89-$250, inducer or blower motor $400-$900, gas valve $400-$900, control board $400-$800. The $89 diagnostic is waived when you proceed with the repair on the same visit.
Is a cracked heat exchanger really a safety issue?
Yes. A cracked heat exchanger lets combustion gases including carbon monoxide bleed into the supply air that circulates through your home. We shut the system down on the spot if we find a cracked heat exchanger.
Do you do combustion safety testing on every gas call?
Yes. CO measurement at the supply register, draft check on the flue, and gas-leak detection at unions and valves. Carbon monoxide kills 50-plus Texans every winter, most of those deaths preventable with a 90-second combustion test. Most SA companies skip this. We do not.
Do you offer 24/7 emergency heating repair?
Yes. The after-hours dispatch line at (210) 897-8658 is staffed 24/7 by an Above & Beyond tech. 1-2 hour response on confirmed emergencies. Routine after-hours service carries a $129 premium; confirmed emergencies and heat-sensitive households are waived.
Ready to Book Your Heating Repair? Call Above & Beyond Today.
A real San Antonio team member answers, never a phone tree. Free written estimate before any work. TDLR Class A licensed, $20M general liability, 30 years in the SA trade.
(210) 761-7747
Same-Day Capacitor Replacement
Monday through Friday: 7:00 AM to 7:00 PM | Saturday: 8:00 AM to 5:00 PM | Sunday: Emergency Dispatch Only | After-Hours Emergencies: 24/7, call (210) 761-7747