AC repair
Furnace & heating
Heat pumps
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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 Shady Hollow
When your furnace stops heating in Shady Hollow, you need a straight answer about what’s wrong and what it will cost. Most furnace repairs in Shady Hollow run between $150 and $700, and our technicians arrive with a written price before any work starts. That means you approve the number on paper first, not after we’re already in your attic. Call (361) 326-1553 and a live person answers, 24/7.
We work in Shady Hollow nearly every week. The homes here, especially the 1980s and 90s builds with slab foundations and attic-installed air handlers, have failure patterns we know by heart. This isn’t generic furnace repair. It’s furnace repair for homes with treed lots, original flex duct, and live oaks that drop tassels into everything. If you’re near Spruce Canyon, Brodie Lane, or Escarpment Boulevard, we can usually have a technician at your door the same day you call.
Why Brandt HVAC Co Austin Is Shady Hollow’s Preferred Furnace Repair Company
Homeowners in Shady Hollow don’t want a stranger at the door. We understand that. Every Brandt technician is background-checked, identity-verified, and uniformed. Before each visit, we send you the tech’s name and photo. When they arrive, they show a photo ID badge at the door. This is our Threshold Verified standard, and it’s how we’ve built trust across Shady Hollow’s neighborhoods since opening our doors. If the person at your door isn’t the person we told you to expect, that visit is on us.
Our furnace repair work in Shady Hollow carries the 365-Day Done Right Promise. If a repair fails within a year, we return and make it right at no charge. No argument, no second invoice. Every job starts with a written price, and every repair includes a written guarantee stating exactly what it covers and for how long. Our Furnace Repair team has handled everything from 1990s gas valves to failed ignitors in Daikin and Carrier units throughout Shady Hollow.
We’re part of the Threshold Group family of home-service companies, established in 2003. Each location is independently owned and operated. Devin Marlowe leads our team, and he holds our Shady Hollow technicians to one standard: name yourself, badge yourself, price it in writing, and fix it right the first time.
Styles & brands we work with







Boiler Repair in Shady Hollow
Boiler repair in Shady Hollow means diagnosing a hydronic heating system that most Texas techs rarely see. A handful of Shady Hollow homes built in the 1970s and early 80s still run boilers, usually cast-iron units paired with baseboard radiators or in-slab loops. When one of these fails, you need someone who doesn’t guess. Our techs test the circulator pump, the aquastat, the expansion tank, and the pressure relief valve before recommending any repair. Boiler repair in Shady Hollow typically runs $150 to $700 depending on the component.
Circulator Pump and Aquastat Failures
A boiler that fires but doesn’t circulate heat usually has a failed circulator pump or a stuck aquastat. In Shady Hollow’s older boiler homes, the original pumps have often run 30-plus years. We carry common replacement circulators and aquastats on our trucks so we can resolve most calls in one visit.
Expansion Tank and Pressure Issues
Texas water chemistry is hard on boiler expansion tanks. When the tank’s internal bladder fails, system pressure spikes and the relief valve drips. In Shady Hollow, we check the tank’s air charge on every boiler call. A $150 expansion tank replacement often prevents a much costlier heat exchanger failure down the line.
Gas Furnace Repair in Shady Hollow
Gas furnace repair in Shady Hollow is most often about three things: a failed ignitor, a weak blower motor capacitor, or a tripped limit switch caused by underperforming ductwork. Most Shady Hollow homes run natural gas furnaces from Carrier, Trane, Bryant, or American Standard, and many of those units are now past year 20. Gas furnace repair in Shady Hollow generally lands between $150 and $700 when parts and labor are combined honestly and priced upfront.
Ignitor and Flame Sensor Replacement
Hot surface ignitors crack. That’s not a defect; it’s a wear item. In Shady Hollow homes where furnaces cycle frequently through January cold snaps, ignitors fail more often. A typical ignitor replacement in Shady Hollow runs $150 to $300, including the part and the service call.
Blower Motor Capacitor and Limit Switch Issues
A gas furnace that turns on, runs a few minutes, then shuts off often has a weak blower capacitor or a limit switch tripping because the ductwork can’t move enough air. In Shady Hollow’s attic-installed systems with original 1990s flex duct, the static pressure problem is real. We test the capacitor under load and measure temperature rise before recommending anything. Capacitor replacement runs $150 to $200. A limit switch replacement runs $150 to $300.
Trusted Brands We Service in Shady Hollow
We service gas furnaces and boilers from Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Shady Hollow customers specifically, we stock the most common replacement parts for Carrier, Daikin, and American Standard units, since those brands appear most often in this area’s 1980s and 90s housing stock. We also keep Bryant and Trane ignitors and flame sensors on hand. When we don’t have the part locally, our Austin-coordinated dispatch sources it same-day from local supply houses, so you’re not waiting on an out-of-state shipment.
See the difference
Before
After
Before
After
Before
AfterCommon Furnace Repair Problems We See in Shady Hollow Homes
- Leaky 1990s attic ductwork. Original flex duct in many Shady Hollow homes has separated at the seams or been crushed by stored boxes. Static pressure drops, the limit switch trips, and you get intermittent no-heat calls that only happen when the temperature outside drops overnight.
- South-facing condensers packed with live oak tassels. In Shady Hollow, AC condensers on the south-facing side of homes get covered in live oak tassels every March. High head pressure kills capacitors and overheats compressors. We often find this during a furnace call because the same electrical load passes through the shared panel.
- Outdated 1980s electrical panels. Many Shady Hollow homes still run the original 100-amp panel with no room for a modern ECM blower motor. A simple furnace repair in Shady Hollow can turn into a panel upgrade conversation when the old breaker won’t safely handle the new motor’s inrush current.
- Slab-foundation homes with vertical supply risers. Ductwork poured into slab chases can’t be resealed from above. When a furnace in Shady Hollow short-cycles and the filter is clean, we check for air leaks at the slab risers using a smoke pencil, not a guess.
Pricing for Furnace Repair in Shady Hollow, TX
Furnace repair in Shady Hollow typically lands between $150 and $700. The lower end covers ignitors, flame sensors, capacitors, and pressure switches. The higher end covers gas valve replacements, blower motor swaps, and heat exchanger-related diagnostics. Here’s what our Shady Hollow customers see in writing before we start:
| Service | Typical Price Range in Shady Hollow |
|---|---|
| Gas Furnace Repair | $150 – $700 |
| Boiler Repair | $150 – $700 |
| Furnace Tune-Up (includes capacitor test) | $80 – $200 |
Every price quote is written and fixed before we touch a screwdriver. No work starts without your signature. You’ll never get a verbal estimate that balloons at the end. Call (361) 326-1553 for a free estimate, and we’ll tell you honestly whether repair or replacement makes more sense for your Shady Hollow home.
Now, one thing about Shady Hollow specifically. The south-facing AC condenser placement on many 1980s and 90s homes here means live oak tassels blanket the coils every March. That drives seasonal capacitor failures and compressor strain that our furnace repair calls often uncover during the first heat wave. A furnace tune-up in Shady Hollow that includes a capacitor test and a coil inspection can catch this before it becomes a $700 compressor problem or forces you to call our Shady Hollow AC Repair team. That’s the information gain a generic repair company won’t give you. We tell you because we’re here every March seeing the same tassels on the same south-facing units.
Last spring on Spruce Canyon Drive, a homeowner with a 1998 Trane gas furnace called for no heat. Our tech found the blower motor capacitor weak, dead within spec, and replaced it. Then he inspected the attic-installed evaporator coil, which was packed with oak pollen. A coil cleaning and capacitor swap restored full airflow and prevented a call-back when the first real heat arrived. That’s what a Shady Hollow furnace call should look like: the visible problem fixed, and the next one already headed off.
We Also Serve Cities Near Shady Hollow
Our team handles furnace repair throughout the Austin metro. If you’re in Shady Hollow, you’re right in our regular service area. We also run calls in Austin, Cedar Park, San Marcos, and Brushy Creek. Same written pricing, same 365-Day Done Right Promise, same background-checked technicians.
Serving Shady Hollow, TX - Our Local Coverage Area
We’re based in the Shady Hollow 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 Shady Hollow
In Shady Hollow, a clean filter and a short-cycling furnace almost always means leaky ductwork or a weak blower capacitor. The attic-installed flex duct from the 1980s and 90s separates at the seams, drops static pressure, and trips the limit switch. We confirm with a static pressure test and a capacitor-under-load test. Call (361) 326-1553 and we’ll come measure, not guess.
Yes, and in Shady Hollow this is specific and real. Live oak tassels blanket south-facing condensers every March, raising head pressure and pulling more current through the shared electrical panel. That extra load can stress the blower motor capacitor inside your furnace. A $150 capacitor test during a tune-up catches it. It’s one reason our Shady Hollow tune-ups include that test at no add-on cost.
You can, but in Shady Hollow we recommend against a like-for-like swap without a load calculation and duct inspection first. Original single-zone systems in these 1980s floor plans often have unbalanced airflow to the upstairs bedrooms. A new furnace with the same BTU rating will still short-cycle if the ductwork can’t move the air. We’ll document the numbers before recommending anything. Estimates are free: (361) 326-1553.
That’s normal and it’s just dust burning off the heat exchanger after sitting unused through the Texas shoulder seasons. In Shady Hollow, where oak pollen and construction dust settle on attic-installed units, that smell can be stronger than typical. It should fade within an hour. If it smells like gas, or if the smell returns every cycle, call us immediately at (361) 326-1553 and we’ll come check the heat exchanger and gas valve.
For Shady Hollow homes with original 1992-era flex duct, the most common repair is duct reconnection and sealing at the plenum and boot connections, not the furnace itself. When that ductwork separates, the furnace overheats and trips the limit switch, which makes the homeowner think the furnace is broken. We’ll test static pressure first, then quote the repair in writing. Most duct resealing jobs in Shady Hollow run between $150 and $400, depending on access.
If your furnace in Shady Hollow is short-cycling, blowing cold air, or not starting at all, call (361) 326-1553. A live person answers, 24/7. We’ll send a background-checked technician with a written price, a name, and a photo before they arrive. That’s the Brandt standard, and it’s how we’ve earned the trust of Shady Hollow homeowners since the day we started serving this community.
Written by Devin Marlowe, Owner at Brandt HVAC Co Austin, serving Shady Hollow furnace repair customers with written pricing and the 365-Day Done Right Promise.