Furnace & heating
AC repair
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 Furnace Repair Across Terrell Hills
Furnace repair in Terrell Hills typically runs $150 – $700, with most repairs completed the same day we diagnose the issue. Homes in Terrell Hills present a specific set of challenges: pre-1950 construction, original ductwork that was never designed for modern sealed systems, and electrical panels that predate the equipment they now power. We send background-checked technicians with a live arrival time you can track to your door, and every job gets a written price before any tool is picked up. Call (903) 623-6784 and you’ll talk to a real person, not a voicemail tree.
This page tells you exactly why a like-for-like furnace repair often disappoints in a pre-1950 Terrell Hills home, and what our techs check before touching a single part.
Why Halden Heating and Air San Antonio Is Terrell Hills’s Preferred Furnace Repair Company
We’ve spent years working inside Terrell Hills homes off Garraty Road, Elizabeth Road, and the winding streets around the municipal golf course. That matters because a furnace repair here is rarely just a part swap. The original gravity furnaces, asbestos-wrapped ducts, and galvanized plenums in these 1920s and 1930s custom homes punish technicians who treat every call like a suburban cookie-cutter job.
Halden Heating and Air San Antonio operates under the Relay Home Co. network and The Relay Visibility Guarantee, which means you get a live arrival time, a written price before work starts, and before-and-after photos of the actual repair. Our techs are certified to service Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard equipment. Andre Fuller leads our team, and he holds every technician to one standard: diagnose the root cause, not just the symptom.
Every repair includes a written guarantee. If the same issue returns within the coverage window, the second visit is free. Not a credit, not a pro-rated discount. Free.
Styles & brands we work with
Furnace Maintenance in Terrell Hills
Furnace Maintenance in Terrell Hills is the single best insurance policy against a cold January night in a 1940s house with original ductwork. We recommend it every fall, before the first real front rolls down from the Hill Country. A tune-up runs $80 – $200 and includes checking the heat exchanger for cracks, testing static pressure, inspecting electrical connections, and verifying the inducer motor is pulling correctly.
Static Pressure Testing
Older Terrell Hills homes almost always show elevated static pressure, usually because the original ducts were sized for a gravity system, not a modern blower. We measure it with a manometer on every maintenance visit. If we find the return drop is pulling too hard, we’ll quote a sealing and correction job before it kills your blower motor.
Heat Exchanger Inspection
In a furnace built before 1980, a cracked heat exchanger is a carbon monoxide risk. We camera-scope the exchanger on every tune-up. If we find a crack, we shut the unit down and give you a written repair or replacement quote before we leave the driveway. That’s a safety decision, not a sales tactic.
Heat Pump Repair in Terrell Hills
Heat Pump Repair in Terrell Hills is more common than most homeowners expect, because so many 1950s and 1960s houses swapped their original radiant heat for heat pumps during a retrofit wave in the 1990s and early 2000s. If you’re considering a new system, AC Installation in Terrell Hills is also something we handle with the same attention to local home quirks. Those units are now 15 to 25 years old, and the humid San Antonio climate has taken a toll on reversing valves and defrost boards. A typical repair runs $150 – $700 depending on whether we’re replacing a capacitor, a defrost sensor, or a reversing valve.
Reversing Valve Failure
A stuck reversing valve means your heat pump runs in cooling mode when you need heat, or vice versa. On a mildly cool Terrell Hills morning, that might not be obvious until the house won’t warm past 65. We diagnose valve position with gauges and electrical checks, then give you a written repair price before we unscrew a single panel.
Defrost Board and Sensor Issues
The live oak canopy in Terrell Hills keeps summer peak temperatures slightly lower than central San Antonio, but winter humidity still triggers frost on outdoor coils. When the defrost board fails, the coil ices over and the system runs inefficiently or not at all. We stock defrost boards and sensors locally for the brands we service, which means faster turnaround for Terrell Hills customers.
Trusted Brands We Service in Terrell Hills
We’re certified on Carrier, Bryant, American Standard, and Daikin, among others. More importantly, we keep common furnace repair parts in local stock for Terrell Hills customers: ignitors, flame sensors, pressure switches, blower motor capacitors, and limits. That means we’re not waiting on a parts shipment when your furnace quits on a Tuesday night in February. If your system uses a brand-specific ECM motor, we source it same-day more often than not.
See the difference
Before
After
Before
After
Before
AfterCommon Furnace Repair Problems We See in Terrell Hills Homes
- Original gravity furnaces with retrofitted blowers. Many 1940s homes still have the original gravity furnace, with a modern blower bolted on decades later. The blower often runs against static pressure it was never rated for, overheating the motor and cycling on limit. We measure that pressure before replacing anything.
- Corroded galvanized plenums. Decades of humid San Antonio air have eaten through galvanized ductwork in crawlspaces and basements throughout Terrell Hills. A corroded return drop pulls air from unconditioned spaces, so the furnace runs longer and still leaves rooms cold.
- Undersized electrical panels from the 1950s. A new inducer motor or ECM blower can pull more amps than a 60-year-old panel was designed to deliver. We check load and breaker sizing before we install, because the first cold snap will find a weak breaker if we don’t.
- Floor registers with asbestos-wrapped ducts. When we repair a furnace connected to original asbestos-wrapped ductwork, we follow containment protocol and will not disturb materials that should be handled by an abatement professional. We’ll tell you what we’re seeing and work with you on a safe path forward.
How this plays out in the real world: Our techs recently pulled the original 1940s gravity furnace from a home off Garraty Road. The heat exchanger was intact, but the decade-old retrofit blower motor was running at over 1.2″ static pressure against corroded galvanized plenums. We replaced it with a correctly sized ECM motor and sealed the return drop. The furnace now moves air quietly instead of rattling the floor registers.
Pricing for Furnace Repair in Terrell Hills, TX
Furnace repair in Terrell Hills runs $150 – $700 for most jobs. The diagnostic visit is $150 – $200, and that fee is waived if you approve the repair. Here’s what specific work costs in this market:
| Furnace Repair Service | Typical Cost in Terrell Hills |
|---|---|
| Furnace Repair Diagnostic | $150 – $200 |
| Heat Exchanger Replacement | $300 – $700 |
| Blower Motor Capacitor Replacement | $150 – $250 |
| Static Pressure Test and Duct Sealing | $200 – $400 |
Heat exchanger replacement sits at the high end because it’s labor-intensive and the part itself is expensive. A capacitor swap is quick and parts are inexpensive. The static pressure test and duct sealing work is where older Terrell Hills homes often need more than a simple part replacement. We give you a written price before any work starts, every single time. Call (903) 623-6784 for a free estimate.
We Also Serve Cities Near Terrell Hills
Our Furnace Repair team covers the surrounding communities, including San Antonio, Universal City, Timberwood Park, and Leon Valley. If you’re just outside Terrell Hills proper, we can usually reach you within the same response window. Dispatch is coordinated from our San Antonio office, and crews serve Terrell Hills locally.
Serving Terrell Hills, TX - Our Local Coverage Area
We’re based in the Terrell Hills 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 Furnace Repair in Terrell Hills
Your home has floor registers because it was built for a gravity furnace, which relied on warm air rising naturally through floor grates. It matters for repair because modern blowers are designed for sealed, balanced duct systems, and an original gravity duct layout often creates high static pressure that kills blower motors and makes rooms heat unevenly. Click here to schedule a static pressure test and see what your system is actually doing.
We can repair a gravity furnace if the heat exchanger is intact and the unit is safe to operate. But we’ll also give you an honest written assessment of whether a repair makes sense given the static pressure issues, the condition of the original ducts, and the age of the electrical panel. If a repair is safe and cost-effective, we’ll do it and stand behind it with the 365-Day Done Right Promise.
The most common repair we do in Terrell Hills is replacing a blower motor or capacitor that has failed from running against elevated static pressure. It’s almost always the same story: original 1940s ductwork, a motor that was never sized for that resistance, and a part that fails within a season or two. We fix the part and address the pressure issue so you’re not calling us again next year.
Yes, but first we check the panel’s capacity and the breaker feeding the furnace. A 60-amp or 100-amp panel from the late 1940s may not have headroom for a modern inducer motor or ECM blower, and installing one without checking can trip the breaker on the first cold snap. If panel work is needed, we’ll tell you before we touch the furnace and give you a written price for the full scope.
We do load calculations on repair jobs whenever we’re changing air-moving components or when a customer tells us some rooms never heat properly. In Terrell Hills, with its custom pre-1950 homes and patchwork retrofits, a repair without a load check is often just a temporary fix. We measure the space, check duct sizing, and tell you what the system is actually capable of. Call (903) 623-6784 to get started.
Written by Andre Fuller, Owner at Halden Heating and Air San Antonio, serving Terrell Hills since 2004.