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 AC Maintenance Across Boerne
AC maintenance in Boerne typically runs $80 – $200 for a full tune-up, and most visits can be scheduled within a few days. If your system is already struggling, repair work in this market runs $150 – $650 depending on what we find. Call (361) 470-8872 and we’ll get a technician to your Boerne home with a written price before any work begins.
We know Boerne’s neighborhoods because our crews are out here every week. From the historic limestone homes near Main Street to the new builds east of I-10, the systems are different, the wiring is different, and the way heat loads build through a July afternoon is different. A maintenance visit that actually protects your equipment has to account for that. That’s what we do.
Why Brandt HVAC Co San Antonio Is Boerne’s Preferred AC Maintenance Company
Boerne homeowners call us because the person we send is someone we tell you about before they arrive. Every technician is background-checked and identity-verified under the Threshold Verified standard. You get a name and a photo before the visit, and that same technician shows a photo ID badge at your door. If someone shows up who you were not told to expect, that visit is on us.
Devin Marlowe leads our team, and he sets the rule that every job starts with a written price. Not an estimate after the fact, not a surprise line item. You see the number, you agree to it, then work starts. That’s how we run AC maintenance in Boerne, and it’s why homeowners here keep our number on the fridge.
Our technicians service every major residential brand, so the Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard system in your Boerne home is covered. Live people answer our phones 24 hours a day, seven days a week. You won’t reach a voicemail tree at 9 p.m. on a Sunday.
Styles & brands we work with






HVAC Maintenance in Boerne
HVAC Maintenance in Boerne means more than swapping a filter. On a proper visit, we inspect the full system: condenser, evaporator coil, blower motor, capacitors, contactors, refrigerant pressures, duct static pressure, thermostat calibration, and condensate drain. We measure, we record, and we write down what we found. You get a report that tells you what’s running well and what’s wearing out. In Boerne, a standard HVAC maintenance visit runs $80 – $200.
The local conditions here make certain checks non-negotiable. Boerne sits on the Edwards Aquifer, and the water is hard and mineral-heavy. That affects condensate drain lines, which clog faster than in nearby cities. It also means coil corrosion sets in earlier when humidity is high and the coil runs constantly. A maintenance checklist written for a drier climate misses this. Ours doesn’t.
What a Maintenance Visit Includes
We check refrigerant levels against manufacturer spec, measure amp draws on the compressor and blower motor, test capacitor microfarad ratings, inspect contactors for pitting, clean or replace filters, flush condensate lines, and verify thermostat staging on multi-stage and variable-speed systems. For Boerne homes with zone dampers, we verify that each zone is opening and closing correctly and that static pressure stays in the manufacturer’s range.
When Boerne Homeowners Should Schedule
Book once before the heat hits in May, and you’ll catch problems before the first 95°F week. Book again in October if you have a heat pump or a dual-fuel system. If you just moved into an older limestone home in Boerne, schedule an inspection before your first full summer. Original R-22 systems are common in the Hill Country subdivisions, and many are running on borrowed time.
AC Tune Up in Boerne
An AC Tune Up in Boerne is the hands-on service that resets your system before and during the Hill Country heat. The price runs $80 – $200, and it includes everything we can clean, tighten, measure, and adjust on the condenser and air handler. The goal is simple: catch the small wear before it becomes a compressor replacement.
Boerne’s summer humidity changes what a tune-up should include. High latent load means the system has to pull more moisture out of the air, which puts constant stress on the evaporator coil and the blower. We verify that the system is actually dehumidifying, not just dropping the temperature. A home can feel clammy at 72°F if the coil never reaches dew point. That’s a real problem in Boerne, and a tune-up is where you catch it.
What We Check on Every Tune-Up
We clean the condenser coil, inspect the compressor and fan motor, test capacitors, check refrigerant subcooling and superheat, measure temperature split across the coil, flush the condensate line, and confirm the thermostat is wired and programmed correctly. If it’s a communicating system, we verify that staging and dehumidification modes are engaging. If they aren’t, we fix the calibration.
Why Annual Tune-Ups Matter in the Hill Country
The west-facing condensers common in Boerne’s older neighborhoods take a beating every afternoon. Limestone walls and rock landscaping reflect heat directly onto the unit, pushing head pressures up. Over a summer, that stress weakens capacitors and shortens compressor life. An annual tune-up catches the weakened parts early, when the fix is $80 to $200 instead of $1,500 for a compressor.
Trusted Brands We Service in Boerne
We maintain and repair systems from Daikin, Bryant, American Standard, and Carrier, along with Trane, Lennox, Goodman, Rheem, and York. For Boerne customers, we stock the common capacitors, contactors, blower motors, and control boards that fail most often in this climate, so we’re not waiting on a parts truck from San Antonio while your home heats up. If your system is a Daikin multi-zone or a Bryant Evolution communicating setup, we know the specifics: the thermostat menus, the staging logic, and the failure points. Brand familiarity means faster diagnosis and fewer return trips.
See the difference
Before
After
Before
After
Before
AfterCommon AC Maintenance Problems We See in Boerne Homes
- West-facing condensers overheating. In Boerne’s Hill Country subdivisions, many homes still have original 1990s R-22 condensers mounted on the west wall. Afternoon sun plus heat reflected off limestone rock and stucco pushes head pressures dangerously high. We see a spike in capacitor and compressor failures every July, and most of them started as a dirty coil and a weak capacitor that a tune-up would have caught.
- Multi-zone dampers that were never commissioned. Large custom homes in Boerne often get zoned systems installed, but the dampers are never balanced. Airflow stays uneven, some rooms never cool, and the compressor runs longer than it should. We measure static pressure across the zones and rebalance.
- Communicating thermostats drifting out of calibration. High-end variable-speed systems in Boerne get basic filter changes, then the thermostat’s calibration drifts. Staging and dehumidification modes stop engaging as designed, and the homeowner pays for efficiency they’re not getting. We see this on Bryant Evolution and Carrier Infinity systems regularly.
- Condensate lines clogging from hard water. Edwards Aquifer water carries minerals that build up in drain pans and lines faster than in San Antonio. A clogged line backs up into the drip pan, and in a hot attic that turns into water damage fast. We flush lines on every visit and recommend drain tablets for Boerne homes.
We were called to a 4-ton Carrier split system in the Esperanza subdivision on Boerne’s east side after the homeowner reported weak cooling upstairs. Our tech found a static pressure reading of 0.9 inches water column across the zone dampers, a failing blower motor capacitor, and a refrigerant charge drifting low on the second stage. After replacing the capacitor, rebalancing the dampers, and topping the charge to manufacturer spec, the system held 55% humidity at 74°F on a 98°F afternoon. That’s what a real Boerne maintenance visit looks like.
Pricing for AC Maintenance in Boerne, TX
| Service | Price Range |
|---|---|
| AC Tune Up | $80 – $200 |
| HVAC Maintenance | $80 – $200 |
These are the real numbers for the Boerne market. The lower end covers a straightforward tune-up on a clean, well-maintained system. The higher end includes more involved diagnostics, multi-zone verification, or a system with accessibility challenges, common in older stone homes where condensers sit in tight Hill Country corners. You always get the price in writing before we start. No one touches a wrench until you’ve seen the number and agreed. Call (361) 470-8872 for a free estimate on AC maintenance in Boerne.
We Also Serve Cities Near Boerne
Our AC Maintenance team covers Boerne and the surrounding Hill Country communities, including Bulverde, San Antonio, Schertz, and Cibolo. If you’re just outside Boerne proper, call us and we’ll confirm coverage. Dispatch and scheduling are coordinated from the brand’s San Antonio office, and crews serve Boerne locally.
Serving Boerne, TX - Our Local Coverage Area
We’re based in the Boerne 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 AC Maintenance in Boerne
Twice a year, ideally in the spring before the heat and in the fall before the first freeze. Multi-zone systems in Boerne custom homes have more failure points than single-zone setups: zone dampers, zone thermostats, bypass ducts, and a more complex control board. Skipping maintenance on these systems means unbalanced airflow gets worse, the compressor runs longer, and repair costs climb. Call (361) 470-8872 to schedule.
Yes, it does. Boerne’s water comes from the Edwards Aquifer and carries high mineral content. Those minerals deposit inside condensate drain lines and on the evaporator coil as water evaporates. We flush drain lines on every maintenance visit and check for mineral scale on the coil. Left untreated, hard water scale reduces heat transfer and primes the system for mold growth in Boerne’s humid summers.
Yes. Those thick stone walls hold temperature, but older Boerne limestone homes often have little to no insulation in the attic and original ductwork that leaks. We work around the original structure: sealing ducts, adjusting airflow, sizing equipment properly, and in some cases recommending ductless mini-splits for rooms that stone walls make hard to reach. We never cut through original limestone unnecessarily.
Because of the combination of high ambient heat, west-facing condenser placement, and limestone-reflected heat. In Boerne’s older Hill Country subdivisions, units sit against west walls or rock landscaping that radiates afternoon heat directly onto the compressor. Head pressures climb, capacitors weaken, and compressors fail. Many of these failures show warning signs months earlier in the form of a weak capacitor or a dirty coil. Maintenance catches those signs.
SEER2 is the updated efficiency rating standard for air conditioners, introduced in 2023 to reflect real-world operating conditions more accurately than the old SEER rating. For a Boerne home, where AC runs heavily from May through September, a higher SEER2 rating means lower electric bills over the life of the system. When the time comes to replace, we’ll help you compare SEER2 ratings across brands like Daikin, Bryant, and Carrier, and run the numbers for your specific home. Call (361) 470-8872 for guidance.
Written by Devin Marlowe, Owner at Brandt HVAC Co San Antonio, serving Boerne homeowners with verified technicians and upfront pricing.