Furnace & heating
Heat pumps
Ductless mini splits
Carrier
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 Windcrest
Furnace repair in Windcrest typically runs $150 – $700, and most no-heat calls can be diagnosed and fixed the same day. We send a background-checked technician to your door by name and photo before arrival, so you know exactly who’s walking up your driveway. Call (361) 470-8872 any hour and a live person answers. That matters in Windcrest, where January mornings drop into the 30s and a dead furnace turns a brick ranch house cold fast.
Windcrest isn’t a new subdivision with tight ducts and oversized returns. It’s a 1960s-era community where furnaces sit in hot attics, ductwork runs through unconditioned space, and clay soil shifts under slab foundations. We know those homes. We know which streets off Midcrown and Eagle Crest have original low-static duct systems. And we know that a furnace problem here is rarely just a furnace problem. It’s usually the furnace, the ducts, and the panel all working against each other. That’s the fix we’re built for.
Key Takeaways:
- Furnace repair in Windcrest costs $150 – $700 for most jobs, with heat pump repair at $150 – $650.
- You’ll get a written price before any work starts. No work happens until you see and approve the number.
- Every repair includes a written guarantee. If it fails within 365 days, we come back free under the 365-Day Done Right Promise.
- The technician who arrives is the technician you were told to expect. By name, by photo, badge at the door.
Why Brandt HVAC Co San Antonio Is Windcrest’s Preferred Furnace Repair Company
Windcrest homeowners don’t want surprises. Not on the invoice, and certainly not at the front door. We get that. Devin Marlowe built our process around one question: what would make a homeowner feel safe letting a stranger into their home? The answer became the Threshold Verified standard. Every technician is background-checked and identity-verified. You get their name and photo before they arrive. They show a photo ID badge at the door. If anyone shows up who you weren’t told to expect, that visit is on us and we make it right.
That standard matters in Windcrest, where a lot of residents have lived here for decades and raised families along the streets off Crestway and Midcrown. People know their neighbors. They notice unfamiliar vans. They want to know who’s coming. We handle that before you ever have to ask.
Our reputation in Windcrest is built on showing up prepared. We stock common parts for furnace repair in Windcrest homes: ignitors, gas valves, blower motors, capacitors, control boards. That means fewer return trips and faster fixes. When a call comes in from Windcrest, our crew knows they’re likely walking into a 1960s ranch or split-level with original ductwork. That changes how we diagnose. We don’t just swap parts and hope. We test static pressure, check return sizing, look at the panel load. Then we tell you what’s actually wrong and what it costs before turning a single screw.
Styles & brands we work with






Heat Pump Repair in Windcrest
Heat Pump Repair in Windcrest carries a different diagnostic sequence than a gas furnace, and most Windcrest homes don’t realize their “furnace” is actually a heat pump until the heat stops. It runs $150 – $650 for most repairs. In a Windcrest ranch on a slab, we check refrigerant charge first. Here’s why: the shallow clay soil around Windcrest shifts with moisture, and that movement stresses refrigerant lines running from the outdoor unit to the air handler. Microleaks develop. The system loses charge. Then the heat pump can’t pull heat out of cold air, the strip heat cycles on, and the homeowner hears the breaker trip. It looks like a furnace failure. It’s a refrigerant leak.
Refrigerant Leaks and Charge Issues on Slab Foundations
Slab movement is a fact of life in Windcrest, not a rare event. The clay soils under the east side expand when wet and contract in drought. Over decades, that motion flexes the copper lines. Our first diagnostic step on a no-heat call is often testing the heat pump’s charge before ever opening the blower compartment. If it’s low, we find the leak, repair it, and recharge with the correct refrigerant. Then we run the system through a full heating cycle to confirm the strip heat actually stages off. That’s the repair.
We skip nothing. A Windcrest heat pump that’s been running low on charge will damage its compressor over time. We test compressor amp draw and check for acid in the system. If the compressor is weak, you’ll get a straight answer about whether to repair or replace. No scare tactics. Just facts and a written price.
Defrost Board and Reversing Valve Repairs
Windcrest’s mild winters mean heat pumps run in defrost mode more often than you’d think. Overnight temperatures hover near freezing, and frost builds on the outdoor coil. The defrost board has to cycle the reversing valve on schedule or the coil ices over. When that board fails, the outdoor unit turns into a block of ice and the house goes cold. Replacing a defrost board or reversing valve is a common heat pump repair we handle in Windcrest homes, typically $250 – $500. We carry boards for most major brands and can usually complete the fix in one visit.
Heating Repair in Windcrest
Heating Repair in Windcrest means dealing with two kinds of systems: gas furnaces in the older brick ranches and heat pumps in the later builds from the 1970s and 80s. Most jobs run $150 – $700. The trick here is that the house itself changes how the system behaves. Windcrest’s original single-pane windows, uninsulated attic floors, and leaky ductwork make a furnace work harder than it ever should. So when a homeowner calls with a no-heat complaint, we don’t just look at the furnace. We look at what the furnace is fighting.
Ignitor and Gas Valve Replacement
An ignitor is what lights the gas in your furnace. In Windcrest, ignitors fail most often in December and January, when the system cycles more in a week than it does all summer. A failed ignitor is a straightforward fix: $150 – $300, parts and labor included. We test the ignitor’s resistance before replacing it, because sometimes the ignitor is fine and the control board isn’t sending voltage. Gas valves fail less often but cost more: $200 – $450. We only replace a gas valve after confirming gas pressure at the manifold and testing the valve solenoid. You get a written price before that part goes in.
Heat Exchanger Inspection and Repair
A cracked heat exchanger is the most serious furnace problem we find in Windcrest. It’s a safety issue: carbon monoxide can enter the home through a crack. If we find one, we shut down the furnace and explain your options plainly. Some heat exchangers can be replaced under warranty. Many cannot. We’ll give you the replacement cost and the repair cost, and we’ll tell you which one actually makes sense for a 40-year-old furnace that’s been trying to push air through undersized ducts. And one thing to know: in Windcrest, many heat exchangers crack early not from age but from airflow starvation. The furnace overheats. The metal fatigues. Fixing the ducts is what keeps a new exchanger from cracking again. That’s the part most companies skip.
Trusted Brands We Service in Windcrest
We work on every major residential brand a Windcrest homeowner is likely to have: Daikin, Bryant, American Standard, Carrier, and more. We stock brand-specific parts for common Windcrest repairs, including ignitors, gas valves, blower motors, and defrost boards for Daikin and Carrier systems. When a Bryant heat pump on a Windcrest cul-de-sac trips its breaker on a cold morning, we’ve usually got the right relay or capacitor on the truck. That means the job gets done in one visit more often than not. If a part isn’t on hand, our parts network gets it to us fast, and you’ll know that timeline up front. No mystery. Just a clear schedule and a written price.
See the difference
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After
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AfterCommon Furnace Repair Problems We See in Windcrest Homes
- Breakers tripping only on cold nights. Older Windcrest panels with 60-amp services can’t handle a heat pump’s strip heat pulling full amperage. The furnace itself may be fine. The panel and the heat strips are the problem. We test both before replacing anything.
- Furnace runs constantly but the house stays cold. This usually points to leaky ducts or undersized returns in a 1960s or 70s ranch. In Windcrest, much of that ductwork is in unconditioned attics, leaking heated air before it reaches a single register. Sealing and resizing the returns often does more than a new furnace would.
- Capacitors and control boards failing early. Furnaces installed in attics on Windcrest’s long, low-pitched roofs bake all summer in 150°F heat. That cooks capacitors and control boards. A weak capacitor test in July can predict a no-heat call in January. We replace them before they strand you.
- Rollout trips from high static pressure. Windcrest’s original low-static ductwork starves modern high-static air handlers. The furnace overheats and trips the rollout switch. That rollout trip is a warning. Enlarging returns and upgrading transitions is the real repair, not just resetting the switch.
Pricing for Furnace Repair in Windcrest, TX
Furnace repair in Windcrest runs $150 – $700 for most jobs. That’s the honest range. A simple ignitor replacement lands at $150 – $300. A gas valve runs $200 – $450. A blower motor replacement in an attic-mounted furnace can hit $500 – $700. Heat pump repair in Windcrest runs $150 – $650, with refrigerant leak repairs and reversing valves at the higher end. You’ll get a written price before any work starts. Not an estimate range after the fact. A fixed number on paper. Here’s the line-item breakdown:
| Repair Type | Typical Cost in Windcrest |
|---|---|
| Furnace Repair | $150 – $700 |
| Heat Pump Repair | $150 – $650 |
What changes the price? Age of the system, attic access, and whether the problem is the furnace or the conditions it’s fighting. A cracked heat exchanger in a 1968 Rheem is a different conversation than a failed ignitor in a 12-year-old Carrier. Either way, you’ll know the number before we touch a wire. Call (361) 470-8872 for a free estimate on furnace repair in Windcrest.
We Also Serve Cities Near Windcrest
Our furnace repair crews work across the northeast San Antonio metro, not just Windcrest. If you know someone in San Antonio, Schertz, Cibolo, or Boerne who’s got a heater acting up, send them our way. We bring the same written-price guarantee and the same Furnace Repair standards to every home, whether it’s a 1960s ranch in Windcrest or a newer build further north.
Serving Windcrest, TX - Our Local Coverage Area
We’re based in the Windcrest 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 Windcrest
Your breaker trips on cold nights because your heat pump’s strip heat is pulling more amperage than an older Windcrest panel can supply. Many 1960s homes in Windcrest still have 60-amp services, and a heat pump’s electric strip heat alone can draw 40 to 60 amps when the temperature drops. The furnace isn’t failing. The panel is undersized for the load. We check the panel’s rating, the strip heat’s amp draw, and the breaker’s condition before recommending any fix. Sometimes the answer is an upgraded circuit. Sometimes it’s a new panel. You’ll know which one applies to your home and what it costs. Call (361) 470-8872 for an exact diagnosis, free estimate included.
A cracked heat exchanger can sometimes be replaced under warranty, but in many Windcrest furnaces it means the unit is done. The decision comes down to three things: the furnace’s age, the cost of a replacement exchanger, and whether undersized ductwork caused the crack in the first place. If your 1960s ranch still has original 8-inch returns feeding a furnace that needs 1,600 CFM, a new heat exchanger will crack the same way the old one did. In that case, replacing the furnace without fixing the ducts just buys you a repeat failure. We’ll show you the crack, give you the repair cost and the replacement cost, and help you decide with real numbers. The 365-Day Done Right Promise applies either way. If the repair fails within a year, we come back free.
It’s usually a duct problem, and Windcrest’s housing stock makes it worse. The original ductwork in a 1960s or 70s Windcrest ranch was sized for old, low-efficiency furnaces with low airflow requirements. Modern systems need more air moving through bigger ducts. If your furnace runs constantly but rooms stay cold, you likely have leaky ducts in an unconditioned attic and returns that are too small. We measure static pressure and compare it to what your system was designed for. A reading of 1.4 inches on a system built for 0.5 tells us everything. Sealing and enlarging returns is often the fix that finally makes the house warm. The furnace may be fine. Call (361) 470-8872 and ask for a duct assessment with your furnace repair visit. Estimates are free.
No. A heat pump is your heating system. There’s no separate gas furnace. Many Windcrest homeowners think they have both, but in most of these older homes the “furnace” is an air handler with electric strip heat for backup. When the heat pump can’t pull enough warmth out of cold air, the strip heat kicks on. If that strip heat is oversized for your panel, the breaker trips. So the fix isn’t a new furnace. It’s usually fixing the heat pump’s refrigerant charge, defrost board, or reversing valve. Sometimes it’s adjusting the thermostat to stop calling for strip heat unnecessarily. We’ll tell you which one it is. Heat pump repair in Windcrest runs $150 – $650, and you’ll get the exact number in writing before work begins.
Probably, because in Windcrest the summer heat is what breaks the parts you need in winter. Attic furnaces on long, low-pitched roofs bake in 150°F heat from June through September. Capacitors and control boards don’t like that. A capacitor that failed in July means your system has been running hot and stressed all year. The blower motor that shares that compartment is next in line. When it fails, you get a no-heat call in January. Our advice: don’t wait. A tune-up now costs $80 – $200 and catches a weak capacitor or a failing board before it strands you on a 35-degree Windcrest morning. Better yet, ask us to check static pressure while we’re there. In this town, the ducts are usually the root cause of the failures. Call (361) 470-8872 to schedule a tune-up. A live person answers, day or night.
Written by Devin Marlowe, Owner at Brandt HVAC Co San Antonio, serving Windcrest and the surrounding area.