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.
Before
After
Before
After
Before
AfterFast, Reliable AC Maintenance Across Houston
AC maintenance in Houston runs $80 – $200 for a professional tune-up, and most visits take 60 – 90 minutes. We schedule from our Houston office and keep crews working the Meyerland, Friendswood, and Pasadena corridors so we’re rarely more than 30 – 45 minutes out. Call (984) 538-9003 to book a visit, or keep reading to understand why Houston’s climate makes this service different from anywhere else in the country.
We’ve been in attics across Harris County long enough to know the pattern: a homeowner calls because the thermostat reads 76°F but the house feels like a greenhouse. The equipment is running. The air is cool. But Houston’s dew points in the mid-70s°F from May through September create a latent load that most AC systems aren’t set up to handle. That’s the gap between a generic tune-up and one built for the Gulf Coast.
Why Brandt HVAC Is Houston’s Preferred AC Maintenance Company
Our Houston office dispatches technicians by name and photo before every visit. You’ll know exactly who is arriving, what they look like, and that they’ve cleared a background check through our Threshold Verified standard. If someone shows up who you weren’t told to expect, that visit is on us.
We answer the phone with a live person, 24 hours a day, 7 days a week. No voicemail trees, no callback queues. Nights, weekends, holidays – someone picks up.
Every job starts with a written price before any work begins. Every repair carries a written guarantee under our 365-Day Done Right Promise: if it fails, we return at no charge.
We’re part of the Threshold Group family, established in 2003. Each Brandt HVAC location is independently owned and operated, which means the crew serving Houston lives here and knows the local housing stock.
Air Conditioner Maintenance in Houston
Air Conditioner Maintenance in Houston means more than cleaning coils and swapping filters. It’s a systematic check of equipment operating in one of the most punishing cooling climates in the continental U.S., where attic temperatures regularly hit 140 – 155°F and dew points stay sticky for nine months straight. A proper tune-up here verifies refrigerant charge against actual operating pressures, tests static pressure across the duct system, flushes drain lines that algae has been colonizing since March, and confirms the condensate pump or gravity drain can handle peak humidity loads. Most Houston homeowners need this done annually, ideally before April, though the near-year-round cooling season means mid-season checks aren’t unusual. A standard tune-up runs $80 – $200.
Coil Cleaning and Refrigerant Verification
We pull and clean both evaporator and condenser coils, then check refrigerant levels by weight and pressure, not guesswork. In Houston’s latent-heavy climate, an undercharge of even 10% leaves the coil too warm to wring moisture out of the air. The house hits temperature but never dries out.
Static Pressure and Duct Inspection
We measure total external static pressure against the manufacturer’s design spec. In Houston’s older slab homes, crushed flex duct in 155°F attics is epidemic. A system can be perfectly charged and still fail because it can’t move air.
HVAC Maintenance in Houston
HVAC Maintenance in Houston covers the full heating and cooling system, including the furnace or air handler, heat exchanger, blower assembly, and all controls. Even though Houston’s heating season is brief, a winter furnace failure during a Gulf Coast cold snap is a genuine emergency, especially in older homes with poor insulation. Our fall checks verify heat exchanger integrity, gas pressure or amp draw, and safety switch function. The same visit includes AC prep: capacitor testing, contactor inspection, and condenser cleaning so the cooling side is ready when February’s false spring flips to March humidity. A full-system tune-up runs $80 – $200, same as cooling-only.
Heat Exchanger and Combustion Safety
We inspect heat exchangers with visual and electronic methods. A cracked exchanger in a Houston home with tight construction can push carbon monoxide into living spaces. We document what we find and show you.
Blower Belt, Wheel, and Motor Amp Draw
The blower moves every cubic foot of conditioned air. We check belt tension, wheel cleanliness, and motor amp draw against the nameplate. A dragging blower in Houston’s long cooling season burns extra electricity and shortens equipment life.
Trusted Brands We Service in Houston
We maintain Goodman, Rheem, York, and Daikin systems daily, and we stock common capacitors, contactors, and refrigerant fittings for these brands at our Houston office. That local parts inventory means fewer return trips and faster turnaround when we find a component that’s out of spec. We also service Carrier, Trane, Lennox, Bryant, and American Standard. Our technicians carry the diagnostic software and charging charts for each manufacturer’s current and recent product lines, so a 2018 Rheem installed post-Harvey gets the same accurate check as a 2024 Daikin.
Common AC Maintenance Problems We See in Houston Homes
- Collapsed attic flex duct in post-WWII and 1960s – 90s slab homes. Houston’s unconditioned attics bake flex duct until it delaminates, separates at boots, or gets crushed by installers walking joists. We regularly find 0.8 – 0.9 in. w.c. static pressure against 0.5 design specs.
- Refrigerant undercharge masked by thermostat satisfaction. The system runs long enough to hit 76°F on the wall stat but never pulls indoor relative humidity below 65%. The homeowner thinks the AC is “working” until mold shows up on window frames.
- Algae-blocked condensate drains after 9 months of continuous operation. Houston’s cooling season never really stops. Drain pans and lines that would dry out and self-clean in a northern climate stay wet year-round, growing thick biofilm that backs up into pans and triggers float switches.
- Single-zone systems fighting unbalanced floor plans in 1970s – 80s tract homes. A single thermostat in a central hallway can’t manage a west-facing master bedroom with afternoon solar gain and a north-facing guest room that never warms up. The system short-cycles, overcooling one zone while the other stays uncomfortable.
Pricing for AC Maintenance in Houston, TX
A professional AC tune-up in Houston runs $80 – $200. What moves you within that range is system accessibility (attic air handlers in tight spaces take longer), whether you have one system or multiple zones, and whether we find issues during the visit that need correction. We give you a written price before any work starts, including any repairs we recommend. If your capacitor is weak or your refrigerant is low, we’ll show you the readings and quote the fix. AC repair work runs $150 – $650 depending on what’s needed. Full system replacement, when it comes to that, runs $3,500 – $7,500. Estimates are free. Call (984) 538-9003.
| Service | Price Range (Houston) |
|---|---|
| Tune-Up | $80 – $200 |
| AC Repair | $150 – $650 |
| AC Installation | $3,500 – $7,500 |
We Also Serve Cities Near Houston
Our Houston office dispatches crews to Houston and the surrounding communities: Galena Park, Pasadena, Channelview, and South Houston. If you’re in these areas, you get the same Threshold Verified technicians, same written pricing, and same 365-Day Done Right Promise. AC Maintenance scheduling is open now.
Serving Houston, TX - Our Local Coverage Area
We’re based in the Houston 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 Houston
Your system is likely satisfying the temperature (sensible) load without handling the moisture (latent) load. Houston’s mid-70s°F dew points from May through September mean your evaporator coil needs to run cold enough and long enough to condense water vapor onto the fins and drain it away. An undercharged system, oversized condenser, or poor airflow from collapsed ductwork can all cause the thermostat to read 76°F while indoor relative humidity stays above 60%. Call (984) 538-9003 and we’ll measure supply-air delta-T and wet-bulb depression to pinpoint what’s failing.
Post-Harvey emergency replacements were often permitted with no ductwork inspection, so thousands of homes in Meyerland, Friendswood, and similar neighborhoods got new outdoor condensers and air handlers mated to original attic flex duct that was never replaced. Six years later, that duct is often collapsed, delaminated, or blown off boots in 140 – 155°F attics. The new equipment has been fighting restricted airflow since day one. We measure static pressure and inspect duct runs with cameras to confirm. Call (984) 538-9003 for a free estimate.
We clean evaporator and condenser coils, verify refrigerant charge by weight and pressure, test capacitor microfarads and contactor condition, measure total external static pressure, flush and treat condensate drains, inspect duct connections with a camera where accessible, and record supply and return temperatures plus wet-bulb readings. The filter swap is the quickest part. The value is in finding what’s about to fail during Houston’s nine-month cooling season. Call (984) 538-9003 to schedule.
Often yes. Pre-1970 slab homes in Houston frequently have 100-amp panels with no spare breaker space, and modern condensers plus air handlers may need a dedicated 240V circuit that doesn’t exist. A like-for-like swap onto a tired panel can trip breakers, voltage-drop the compressor, or create a fire hazard. We inspect the panel during maintenance and flag any limitations before you get surprised on install day. Call (984) 538-9003 and we’ll assess what you’ve got.
SEER2 is the updated efficiency rating that reflects real-world conditions, including higher external static pressure that mimics actual duct systems. A unit rated 16 SEER under the old test might be 15.2 SEER2. In Houston’s climate, where systems run 2,500+ hours annually, every efficiency point matters for your electric bill. More importantly, SEER2 testing includes part-load conditions that better represent how your system actually operates during Houston’s shoulder seasons. We explain the numbers and show you the payback math before you decide. Call (984) 538-9003.
Ready to get your Houston AC system checked before the next heat wave? Call (984) 538-9003 for a free estimate. We’ll send you a technician’s name and photo before arrival, give you a written price before any work starts, and back every repair with our 365-Day Done Right Promise.
Written by Devin Marlowe, Owner at Brandt HVAC, serving Houston since 2003.