Fast, Reliable HVAC Cleaning Across Houston
HVAC cleaning in Houston typically runs $280-$650 for a complete system service, with most jobs finished in one visit by our background-checked technicians. We’re familiar with the challenges Houston homes face, from the pier-and-beam cottages in Montrose to the retrofitted ductwork in Heights bungalows, and we answer calls with a live person 24 hours a day at (844) 685-6342. Our HVAC Cleaning team travels to every ZIP we serve, including 77001, 77002, 77003, and 77025, with same-day and next-day availability for most requests.
Why Bellows Air Duct & Vent Co. Is Houston’s Preferred HVAC Cleaning Company
We’ve been serving homeowners since 1984, and our Houston customers know we don’t leave until the job is done right and camera-verified. Our 90-Day Done Right Promise means if something isn’t right, we return at no charge with no paperwork to argue over. We’ve built our reputation on being the square-deal alternative to coupon-bait operators who change prices at the door.
Our technicians are background-checked, uniformed, and equipped with Rotobrush and Nikro systems, the same professional-grade equipment serious HVAC contractors specify. Calls are answered by a live person, not voicemail, not an app, 24 hours a day. Most Houston jobs are completed in a single visit, and every one includes camera inspection before and after so you see what we see.
We understand Houston’s housing stock because we’ve worked in it for decades. The 77001-77010 ZIP codes cover the inner loop, where central HVAC was retrofitted into 1910s-1940s craftsman bungalows and shotgun cottages rather than designed in from the start. That matters when we’re navigating flex duct runs crammed through attic cavities, interior wall chases, and underfloor crawl spaces that are difficult to access and prone to collapse or moisture damage.
Our HVAC Cleaning Services in Houston
Evaporator Coil Cleaning
The evaporator coil in your air handler is where Houston’s humidity does its worst damage. When 85% relative humidity air passes over a coil coated in dust and biofilm, condensation runs heavy and drainage clogs fast. In Houston’s near-year-round AC operation, a dirty coil can freeze up in July or flood your return plenum with condensate. We clean coils in place where possible, using foaming cleaners and low-pressure rinses that won’t bend delicate aluminum fins. For systems in tight attic installations common in the Heights and Third Ward, we bring specialized access tools that let us reach equipment squeezed into knee-wall spaces or closet conversions.
Blower Cleaning
Your blower wheel moves every cubic foot of conditioned air through your Houston home. When dust and mold spores coat the blades, airflow drops and the motor works harder against Houston’s already demanding cooling loads. We’ve pulled blower assemblies from air handlers in Montrose pier-and-beam homes where the return duct was patched with duct tape after Harvey, pulling humid crawlspace air directly into the system for years. We remove, clean, and balance blower wheels, then verify amp draw and RPM before reassembly. A clean blower can improve airflow 15-25% in systems we’ve neglected too long.
Condenser Cleaning
Houston’s coastal proximity means salt air, pollen, and cottonwood debris attack outdoor condensers year-round. A condenser with clogged fins can’t reject heat effectively, and in August when your attic hits 140°F, that’s the difference between 72°F inside and a system that runs nonstop. We clean condenser coils with foaming cleaner and fin combs, clear debris from the cabinet base, and verify refrigerant pressures. For homes near the Ship Channel or in Pasadena, we check for accelerated corrosion on contactor points and capacitor terminals, common in salt-air environments.
Air Handler Cleaning
The air handler is the heart of your system, and in Houston’s climate it’s also a mold incubator if maintenance lapses. We clean the entire cabinet interior, including the drain pan, drain line, and insulation lining. In homes where the air handler sits in a vented attic, we inspect the cabinet seal where humid outdoor air infiltrates. Our camera inspection catches what visual checks miss: mold growth on the downstream side of the coil, rust holes in the drain pan, and deteriorated flex duct connections that pull hot attic air into the supply stream.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Houston
We clean and maintain systems from every major manufacturer, and our equipment comes from brands that HVAC contractors trust: Rotobrush for duct agitation and vacuum recovery, Nikro for high-powered negative air machines, and Abatement Technologies for HEPA filtration and containment. We stock common replacement parts for Houston customers so we’re not waiting on shipping when your system needs a new drain pan or blower belt. That means faster turnaround and one visit instead of two.
Common HVAC Cleaning Problems We See in Houston Homes
- Flex duct insulation degrades in 140-160°F attics, leading to condensation and mold growth inside the liner. Houston’s attics regularly hit these temperatures from May through October, and the foil facing on older flex duct simply delaminates. Once the vapor barrier fails, humid attic air meets cold supply air and condensation feeds mold colonies you can’t see without a camera.
- Underfloor flex ducts wick floodwater during major storms (Harvey, Tax Day 2016) leaving silt and mold behind even after surface drying. Technicians working 77009 and 77006 regularly pull access panels on pier-and-beam homes to find flex ducts that wicked floodwater during Harvey and were simply dried out and left. The inner duct liner is visibly stained with silt and mold but was never replaced.
- Tight attic cavities and crawl spaces make access nearly impossible for standard equipment, requiring specialized tools and techniques. The retrofitted ductwork in Heights bungalows and Third Ward shotguns often runs through spaces never intended for mechanical systems. We bring compact equipment and flexible shafts that navigate where standard vacuums won’t fit.
- Near-constant AC operation never lets ducts dry out. Houston’s 10-11 month cooling season means supply ducts stay cold and humid, creating perpetual condensation conditions inside any breach. Drier climates get a winter dry-out period; Houston doesn’t, so mold problems compound year over year.
Pricing for HVAC Cleaning in Houston, TX
We disclose every price before we lift a tool, and the number on the phone is the number on the invoice.
| Service | Typical Range in Houston |
|---|---|
| Evaporator coil cleaning (in place) | $180-$340 |
| Blower wheel removal and cleaning | $150-$280 |
| Condenser coil cleaning | $120-$220 |
| Air handler cabinet cleaning | $160-$300 |
| Complete system cleaning (all components) | $480-$850 |
| Coil treatment with antimicrobial | $75-$150 |
What moves the price: accessibility of equipment (tight attic vs. garage closet), contamination level (light dust vs. heavy mold requiring containment), and whether duct repair or replacement is needed. Homes in 77001-77010 with post-Harvey damage often need more than cleaning. We offer a $89 Seasonal Tune-Up that includes basic coil and blower inspection, and seniors and veterans receive a permanent 5% discount. Call (844) 685-6342 for a free estimate with exact pricing for your system.
We Also Serve Cities Near Houston
Our service area extends to Pasadena, Alief, Missouri City, and Pearland, with the same live-answer dispatch and same-day availability when scheduling allows. Whether you’re in a suburban subdivision or a historic inner-loop neighborhood, we bring the same equipment and the same written 90-Day Done Right Promise.
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 - HVAC Cleaning in Houston
Every 2-3 years for most Houston homes, and annually if your system is over 12 years old or you’ve had past water intrusion. The combination of 80-90% relative humidity and 10-11 months of AC operation means particulate accumulates faster and condensation conditions persist year-round, accelerating mold growth inside flex duct liners. If you live in a pier-and-beam home in the Heights or Montrose with underfloor ductwork, annual inspection is prudent given the flood history in those areas. Call (844) 685-6342 to schedule - estimates are free.
Yes, we clean and inspect underfloor flex duct in pier-and-beam homes throughout 77006, 77008, and 77009. Access requires crawling the foundation perimeter, and we bring compact HEPA vacuums and camera snakes that navigate tight crawl spaces. We frequently find underfloor ducts in these neighborhoods that were damaged during Harvey and never properly replaced - the outer insulation may look intact while the inner liner is saturated with silt and mold. We’ll show you what the camera sees and give you an honest assessment of whether cleaning is sufficient or replacement is needed. Call (844) 685-6342 for a free estimate.
Probably not, and we can verify with a camera inspection. Drying out flex duct after flood exposure doesn’t remove silt and mold spores from the inner liner; it merely leaves them dormant until the next humidity spike, which in Houston is weekly. We’ve inspected dozens of post-Harvey systems in the inner loop where occupants had been breathing through contaminated ductwork for years, unaware that “dried out” didn’t mean “clean.” Our camera survey finds what visual checks miss. If the liner is stained or moldy, replacement of affected sections is the only proper remedy. Call (844) 685-6342 and we’ll show you exactly what you’re dealing with.
We use Rotobrush for duct agitation and contact vacuuming, Nikro for high-powered negative air recovery, and Abatement Technologies for HEPA filtration and containment during mold remediation work. These are the same brands specified by commercial HVAC contractors, not consumer-grade equipment. For coil and blower cleaning, we use professional foaming cleaners and low-pressure rinses that clean effectively without damaging delicate components. The right equipment matters in Houston’s tight attic and crawl space installations where maneuverability and suction power both count. Call (844) 685-6342 with questions about our process.
Yes, typically 10-20% improvement in airflow and measurable reduction in runtime. A dirty evaporator coil or blower wheel restricts airflow, forcing the compressor to run longer to achieve the same temperature drop. In Houston’s August heat, that extra runtime shows up directly on your electric bill and accelerates wear on the compressor. We’ve measured supply temperatures 8-12°F colder after cleaning on systems that hadn’t been serviced in years. The improvement is immediate and verifiable. Call (844) 685-6342 for a free estimate - we’ll inspect your system and show you what cleaning can do.
Ready to get your Houston home’s HVAC system cleaned right? Call (844) 685-6342 now for a free estimate with upfront pricing. Our live dispatch team is available 24 hours a day, and most jobs are completed in a single visit by background-checked, uniformed technicians. We stand behind every job with our 90-Day Done Right Promise in writing - no paperwork, no arguing, just done right.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Houston since 1984.