Seasonal 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.
HVAC Company in Seguin, TX
Most AC repair calls in Seguin run $150 – $650, furnace repairs $150 – $700, and a full AC installation typically falls between $3,500 – $7,500. We’re Brandt HVAC, and we dispatch crews to Seguin from our San Antonio scheduling office, with technicians who know the local housing stock from the 1940s historic core to the new subdivisions along IH-10. Call us at (984) 538-9003 for a free estimate, or read on for what makes heating and air work different here than in neighboring towns.
Our Main Seguin Services
Seguin homeowners call us most often for cooling emergencies in July and heating failures during the January cold snaps that roll down from the plateau. Each service below has its own dedicated page with full pricing, local conditions, and what to expect when we arrive.
AC Repair in Seguin
Seguin’s humidity, pushed up from the Guadalupe River corridor, forces air conditioners to work harder on latent load than units in drier Hill Country towns just 30 miles west. We see failed capacitors, low refrigerant from micro-leaks at corroded line sets, and compressors strained by years of running at full capacity through August nights. When we arrive for AC Repair in Seguin, we check both the electrical components and the system’s ability to pull moisture from the air, not just drop the temperature.

Furnace Repair in Seguin
Gas furnaces in Seguin’s older homes often sit in attic spaces or utility closets with original ductwork too small for modern airflow demands. Igniter failures, limit switches tripping from restricted return air, and heat exchanger cracks from years of cycling on and off are the patterns we know. For Furnace Repair in Seguin, we bring replacement igniters, flame sensors, and draft inducers stocked for same-day completion on most calls.

AC Maintenance in Seguin
This is where Seguin’s pecan trees become an HVAC issue. The historic downtown grid and surrounding older streets are dense with mature pecans, and their fall debris, spring catkins, and sticky pollen coat outdoor condenser coils and clog return-air filters at rates technicians in San Antonio or New Braunfels rarely see. Our AC Maintenance in Seguin includes coil cleaning and filter inspection as standard, because preventive maintenance here pays for itself faster than almost anywhere else we work.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why Seguin Homes Are Different
Seguin sits at a geographic crossroads that shapes every system we touch. The humid subtropical climate east of the Edwards Plateau transition means summer days regularly break 100°F, but the Guadalupe River corridor adds moisture that makes sensible-cooling-only systems struggle. Latent load management matters here. A unit sized only for temperature drop will leave a house clammy at 72°F.
The housing stock splits sharply. The historic core, roughly bounded by the downtown grid, holds 1940s – 1970s construction on slab foundations with original ductwork undersized by current Manual J load standards. These systems run constantly in July, and the ductwork itself becomes the bottleneck. Meanwhile, the rapid growth along IH-10 toward San Antonio has layered in builder-grade subdivisions with equipment that will hit warranty cliffs within the next few years. We prepare homeowners for those conversations before the compressor fails.
In the Guadalupe River floodplain neighborhoods, we check condenser pad elevation on every visit. Repeated flood events have left ground-level outdoor units with corroded electrical connections and refrigerant lines sitting in silt. It’s a failure pattern specific to those low-lying streets, and it isn’t obvious until the next flood warning hits.
Brands We Service in Seguin
We repair and maintain Trane, Lennox, Goodman, and Rheem systems in Seguin, with common capacitors, contactors, and blower motors stocked locally for same-day resolution. Most other major brands, including Carrier, York, and American Standard, are also covered. See our brands for the full list.
Pricing for HVAC Company in Seguin, TX
| Service | Typical Range in Seguin |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3,500 – $7,500 |
| Tune-Up / Maintenance | $80 – $200 |
Prices in Seguin trend toward the higher end of these ranges when we encounter corroded floodplain equipment, undersized historic ductwork requiring modification, or refrigerant line sets buried in concrete slab. Every job begins with a written price before any work starts. No exceptions.
Neighborhoods We Serve in Seguin
Our technicians cover the full Seguin area, from the historic downtown grid to the newer developments along IH-10 and the river corridor neighborhoods to the south. Most calls reach a technician within 45 – 60 minutes during standard hours.
- Downtown Historic District
- River Oaks and Guadalupe River corridor
- IH-10 corridor subdivisions
- Weinert Street and surrounding core
- McQueeney area (unincorporated, Seguin-adjacent)
Service Area – Cities Near Seguin
We regularly dispatch to Marion, TX, New Braunfels, TX, Cibolo, TX, and Schertz, TX from our San Antonio scheduling office. Each community has its own housing patterns and climate quirks, but the same Threshold Verified standard applies: background-checked technicians, sent by name and photo, with photo ID shown at your door.
Serving Seguin, TX - Our Local Coverage Area
We’re based in the Seguin 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 HVAC Company in Seguin
Most Seguin calls reach a technician within 45 – 60 minutes during standard hours, and our phones are answered by a live person 24 hours a day. Nights, weekends, and holidays included. Call (984) 538-9003 and we’ll give you a real arrival window, not a callback queue.
Seguin requires permits for system replacements and new installations, but not for most repairs and maintenance. We handle permit paperwork on installation jobs as part of our standard process, and we pull the correct permits for Guadalupe County or city jurisdiction depending on your address.
Yes. We serve unincorporated areas around Seguin, including McQueeney and parts of Guadalupe County, with the same response times and pricing. If you’re unsure whether you’re in our service area, call (984) 538-9003 and we’ll confirm before scheduling.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Seguin Customers Say
"Knowing a vetted tech was coming into my house made a difference. Name and photo texted ahead, shoe covers, polite, and thorough with explaining."
- Tina M."Drain line was clogging and causing a leak by the air handler. They cleared it and installed a float switch so it can't flood again."
- Nora T."AC stopped cooling on a hot afternoon. Tech arrived with a badge, checked the capacitor, found it bad, and replaced it on the spot. House cooled down within the hour."
- Steve P.







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