Fast, Reliable Air Duct Cleaning Across Kirby
Air duct cleaning in Kirby, TX typically costs $280–$550 for a standard residential system and $180–$320 for targeted supply or return line cleaning, with most Kirby jobs completed in a single visit. We’re usually on-site in Kirby within 45 minutes of a call, coming up from our San Antonio base via FM 78 or I-10 to the 78244 zip code. After 17 years working the corridor from Windcrest through Kirby to Converse, we know the difference between a quick turnover clean and the deep restoration these older systems need. If your ducts haven’t been touched since the Johnson administration, call (866) 769-1699 for a free video inspection and honest estimate.

Why Liberty Bell Air Duct Cleaning Service San Antonio Is Kirby’s Preferred Air Duct Cleaning Company
Kirby isn’t a market we dabble in between bigger jobs — it’s a regular route we’ve run for years, from the post-war ranches off Gibbs-Sprawl Road to the brick tract homes lining Randolph Avenue near the base. Our Air Duct Cleaning team knows which Kirby attics you can stand up in and which ones require crawling through 140-degree heat on belly boards.
Our 456 verified reviews average 4.9 stars, and Kirby customers specifically mention the same thing: Richard Anderson showed up, looked at the system, and told them what was actually wrong instead of selling a package. When the owner shows up, so does 17 years of hands-on experience. No subcontractors. No rotating crews who need a map to find 78244.
We carry commercial-grade equipment — Rotobrush cleaning systems, Nikro vacuums, Abatement Technologies HEPA filtration — the same tools used in commercial and industrial settings, brought to your Kirby home. That matters when you’re pulling decades of compacted debris out of a 1960s galvanized trunk line that hasn’t been opened since Nixon was in office.
Our Air Duct Cleaning Services in Kirby
Residential Duct Cleaning
Kirby’s housing stock demands a different approach than newer suburbs. The bulk of homes here are post-WWII ranch-style and modest brick tract houses built between the 1950s and early 1970s, many with original rigid galvanized ducts or first-generation flexible duct runs laid in unconditioned attics. These systems are now 50-70 years old and prone to joint separation, liner degradation, and heavy debris buildup. Our residential cleaning in Kirby starts with a video inspection to assess whether we’re dealing with a straightforward debris removal or a system that needs structural repair before cleaning can even begin. A typical Kirby residential duct cleaning runs $280–$550 depending on system size and accessibility.
Commercial Duct Cleaning
Kirby’s commercial base is smaller than San Antonio’s, but the needs are specific — small professional offices along FM 78, retail spaces in converted mid-century buildings, and military-contractor facilities near Randolph. These systems often share the same legacy problems as Kirby’s residences: undersized returns, patched-together flex transitions, and decades of accumulated particulate. We clean commercial systems in Kirby with the same owner-led approach, scheduling around business hours to minimize disruption. Commercial duct cleaning in Kirby typically ranges from $450–$1,200 depending on system complexity and square footage.
Supply Duct Cleaning
Supply lines in Kirby homes face a unique stressor: eight-plus months of continuous AC operation pulling humid South Texas air through ductwork, with unconditioned attics regularly exceeding 140°F in summer. That thermal cycling separates joints in original galvanized trunks and accelerates flex-duct liner breakdown. We focus our supply cleaning on removing the debris that’s restricting airflow while identifying the structural failures that are costing you money in lost conditioned air. Supply duct cleaning alone in Kirby typically runs $180–$320.
Return Duct Cleaning
Returns are the lungs of your system, and in Kirby’s older homes they’re often the most neglected component. Original return chases in mid-century construction were frequently framed with wall cavities and floor joist bays rather than dedicated ductwork, creating collection points for decades of dust, pet dander, and construction debris. Our return cleaning in Kirby includes video verification of the full pathway, not just the visible grille. Return duct cleaning in Kirby generally costs $160–$290.
Full System Cleaning
For Kirby homes that have never had comprehensive service, we recommend our full system cleaning: supply trunks, return pathways, branch lines, and HVAC cabinet. This is especially critical in Kirby’s military rental properties where five, six, seven tenants may have cycled through without a single duct service call. Full system cleaning in Kirby runs $380–$650 and includes before-and-after video documentation.
Video Inspection
Our video inspection service uses Rotobrush camera systems to show you exactly what’s inside your ducts before we quote any work. In Kirby, this tool has revealed collapsed flex sections hidden above insulation, rodent debris in separated galvanized joints, and mold colonies in liner-degraded ducts that tenants never reported to landlords. The inspection itself costs $85–$150 and is credited toward any cleaning service if you proceed.

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 Kirby
We don’t show up with hardware-store vacuums and hope for the best. Our Kirby jobs run on professional equipment from Abatement Technologies for HEPA containment, Rotobrush for mechanical agitation and video inspection, and Guardsman treatments for post-cleaning sanitizing where microbial growth is present. We stock common repair parts for Kirby’s legacy systems — duct mastic, foil tape rated for high-heat attics, transition fittings for galvanized-to-flex connections — so we’re not making a second trip to San Antonio mid-job. That means faster turnaround and less downtime for your system. We also work with Honeywell and Aprilaire air quality products when Kirby homeowners want to add filtration or humidity control after cleaning.
Common Air Duct Cleaning Problems We See in Kirby Homes
- Decades of accumulated debris in never-serviced systems. We recently serviced a 1960s home on Randolph Avenue where the original galvanized duct system had never been cleaned across five different tenants. The main supply trunk had a gaping joint separation where rodent debris had nested for years, and a collapsed flex section in the attic was discovered via our Rotobrush video inspection. We vacuumed out over 15 years of construction dust and mold spores, then sealed the separated joint with mastic — a job that required replacing a section of degraded flex duct.
- Short-term military tenants failing to report duct failures. Technicians working 78244 frequently find that homes near the Randolph Avenue corridor have had multiple short-term military tenants in succession with no duct service between occupancies. It’s common to open a mid-century system and find 20-plus years of accumulated debris, rodent intrusion through deteriorated duct boots, and collapsed flex sections that were never reported by rotating tenants.
- Joint separations in original galvanized ducts from thermal cycling. Original galvanized ducts in post-WWII homes develop joint separations from thermal cycling in unconditioned attics exceeding 140°F, causing air loss and debris ingress. These separations don’t just waste energy — they pull attic insulation, rodent droppings, and humid outdoor air directly into your living space.
- Hidden mold in degraded flex-duct liners. Initial flexible duct liner breakdown accelerates in Kirby’s humid subtropical climate, leading to hidden mold growth that remains undiscovered through tenant rotations. By the time Kirby homeowners smell something musty, the liner may be fully delaminated, requiring section replacement rather than simple cleaning.
Pricing for Air Duct Cleaning in Kirby, TX
Here’s what air duct cleaning actually costs in Kirby’s market:
| Service | Typical Range in Kirby |
|---|---|
| Residential Duct Cleaning (full system) | $280 – $550 |
| Commercial Duct Cleaning | $450 – $1,200 |
| Supply Duct Cleaning only | $180 – $320 |
| Return Duct Cleaning only | $160 – $290 |
| Full System Cleaning (deep restoration) | $380 – $650 |
| Video Inspection | $85 – $150 (credited toward service) |
What moves you within these ranges? System accessibility (crawlable attic vs. tight space), degree of contamination (surface dust vs. compacted debris with rodent waste), and whether we find structural damage requiring repair before cleaning can proceed. Kirby’s older homes with original galvanized or first-generation flex ductwork frequently need minor repairs — joint sealing, boot replacement, flex section swaps — that add $120–$280 to the base cleaning cost. We quote everything upfront after inspection. No “we’ll see what we find” pricing. Call (866) 769-1699 for a free estimate — we’ll give you a firm number you can plan around.
We Also Serve Cities Near Kirby
We run the 78244 corridor regularly and cover the full northeast San Antonio metro without the franchise upcharge. Our route includes Windcrest with its 1960s-70s split-levels, Converse and its rapid new construction alongside older developments, Live Oak‘s mixed military-civilian housing near the 1604 corridor, and Universal City with its own Randolph-adjacent rental stock. Same owner on every job. Same equipment. Same direct line: (866) 769-1699.
Serving Kirby, TX — Our Local Coverage Area
We’re based in the Kirby 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 — Air Duct Cleaning in Kirby
Original galvanized ducts in Kirby’s 1950s-1970s housing stock were built with snap-lock seams and simple sheet-metal screws rather than modern sealed joints, and decades of thermal cycling in 140-degree attics have loosened these connections. We inspect every joint with a camera before cleaning, because agitating debris in a separated trunk line will blow contamination into your living space instead of capturing it. Call (866) 769-1699 for a video inspection — estimates are free.
Kirby rental properties near Randolph Avenue should have ducts inspected every 2-3 years and fully cleaned every 4-5 years, or between every second tenant rotation. Military tenants average 2-4 year stays and rarely report duct issues, so a “clean” inspection report at move-out often masks accumulated problems. We offer landlord packages in Kirby with tenant-changeover inspections starting at $120. Call (866) 769-1699 to set up a recurring schedule.
Yes, but we assess them differently than modern flex duct. First-generation flexible duct in Kirby homes has a thinner, less durable liner that’s often degraded after 50+ years in humid attic conditions. We use lower-agitation Rotobrush settings and video-verify liner integrity before and after cleaning; if the liner is delaminating, we’ll recommend section replacement rather than risk tearing it. Section replacement in Kirby typically adds $140–$220 to the cleaning cost. Call (866) 769-1699 for an assessment.
The most common debris in Kirby’s legacy systems is layered construction dust from original 1950s-1970s builds, compacted by decades of airflow into a dense, gray mat. We also regularly find rodent droppings and nesting material in separated galvanized joints, fiberglass insulation fragments from degraded liner, and mold colonies in flex ducts with moisture intrusion. In one Randolph Avenue home, we removed material that tested positive for Aspergillus and Penicillium species — common in humid, undisturbed environments. Call (866) 769-1699 if you suspect contamination — we can sample and advise.
If you’re living in it now, yes — especially if you have allergies, asthma, or visible dust issues. Cleaning runs $280–$550, which is minor compared to months of respiratory irritation or energy waste from blocked airflow. For homes scheduled for full gut renovation within 12 months, we’d recommend a basic debris removal rather than full restoration, dropping the cost to $200–$350. We’ll tell you honestly if it’s not worth the investment. Call (866) 769-1699 for a free evaluation with no pressure to book.
Ready to see what’s inside your Kirby ducts? Richard Anderson personally handles every inspection and cleaning job in 78244 — no delegated crews, no surprises. Call (866) 769-1699 today for a free estimate and same-week scheduling. We’ll show you the video, give you a firm price, and let you decide.
Written by Richard Anderson, Owner at Liberty Bell Air Duct Cleaning Service San Antonio, serving Kirby and northeast San Antonio since 2007.