Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Air Duct Cleaning Across Randallstown
Air duct cleaning in Randallstown, MD typically costs $350-$650 for a full residential system, and most jobs are scheduled within a week of your call. If your home was built between the 1950s and 1970s along Liberty Road or in neighborhoods like Milford Mill, there’s a strong chance your original ductwork has reached the point where standard cleaning alone won’t solve the problem. We’re Kestrel Air Duct Cleaning, part of the Kingswell family of companies founded in 2004, and our crews serve Randallstown from our Baltimore office. Call us at (469) 972-3151 for a free estimate with a written price before any work begins.
We’ve worked in enough Randallstown ranch homes, split-levels, and brick colonials to know what hides inside those original forced-air systems. The fiberglass duct liner installed in the 1960s and early 1970s wasn’t built to last fifty-plus years. When it starts breaking down, it sheds visible particles into your living space. We don’t just vacuum out what we can reach. We inspect, we document, and we tell you exactly what your system needs, whether that’s a thorough cleaning, liner encapsulation, or a recommendation for replacement.
Why Kestrel Air Duct Cleaning Is Randallstown’s Preferred Air Duct Cleaning Company
Our reputation in Randallstown has been built one appointment at a time, starting with showing up in the window we promised and ending with a written 365-Day Done Right Promise on every job. Homeowners here know the bait-and-switch routine, the coupon that turns into a much larger invoice once the truck is in the driveway. We don’t operate that way. The price we write down before touching a single vent is the price you pay.
Our technicians are background-checked, uniformed, and trained on professional-grade equipment. We use Rotobrush rotary brush systems to dislodge debris at the duct wall, Nikro negative-pressure units to pull contaminants out of the system, and Abatement Technologies HEPA filtration to keep loosened particles out of your living space during the cleaning. These aren’t box-store shop vacs. They’re purpose-built tools that make a measurable difference in what we can remove from aging Randallstown ductwork.
Calls are answered by a live person, 24/7. Not a voicemail queue. Not an automated system. A real conversation, any time of day, to schedule your appointment or answer questions about what we found during your last visit. That’s The Kingswell Way, and it governs every visit we make to Randallstown homes.
Commercial Air Duct Cleaning in Randallstown
Commercial Air Duct Cleaning in Randallstown covers office buildings, retail spaces, medical clinics, and multi-unit properties whose HVAC systems have accumulated years of operational debris. A typical commercial duct cleaning in Randallstown runs $800-$2,500 depending on system size and accessibility, with larger facilities or those with rooftop units toward the higher end. We schedule these jobs to minimize disruption to your business, often working evenings or weekends when the building is unoccupied.
System Assessment and Documentation
Before we start any commercial job, we walk the full system with video inspection equipment and document what we find. This gives you a baseline and lets us identify problem areas, disconnected runs, or deteriorating liner that standard cleaning won’t address. You’ll see what we see, and the written price reflects only the work your system actually needs.
Negative-Air Extraction with HEPA Containment
Our commercial process uses Nikro negative-air extraction, which means we create controlled suction throughout the duct network so dislodged debris moves in one direction, out of your building. Abatement Technologies HEPA filtration captures particles as small as 0.3 microns, keeping your occupied spaces clean during the work. For Randallstown commercial properties with original 1960s ductwork, this containment step is critical, older liner can release significant particulate once agitation begins.
Air Duct Cleaning Services in Randallstown
Air Duct Cleaning Services in Randallstown address the specific conditions found in homes built during the town’s concentrated 1955-1975 construction period. A typical full-system residential cleaning in Randallstown runs $350-$650, with supply duct cleaning, return duct cleaning, or partial system work falling in the $200-$400 range. Video inspection adds $75-$150 and is recommended for any home where the ductwork age is unknown or where previous cleaning didn’t resolve dust or odor issues.
Video Inspection and Source Removal
We feed a camera through your supply and return runs to see what’s actually inside. In Randallstown’s older homes, we regularly find collapsed fiberglass liner, standing moisture from shoulder-season condensation, and debris accumulation at joints that have separated over decades. Source removal means we extract what we can see and measure, not just what our tools can reach from the vent opening.

Sealing and Encapsulation for Aging Systems
When inspection reveals deteriorating liner, standard brush agitation can make the problem worse by breaking loose more material. In these cases, we perform encapsulation, applying a protective coating that seals the failing liner to the duct wall so it stops shedding into your air. This is the real fix for many Randallstown homes, and we’ll tell you upfront if your system needs it, with a separate written price for that work.

What happens when you call
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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 Randallstown
We stock and install Aprilaire media air cleaners, Guardsman UV germicidal systems, and filtration upgrades from Honeywell for Randallstown homeowners who want to maintain cleaner air between professional cleanings. These products integrate with existing forced-air systems and address the specific challenges of older ductwork, capturing finer particles and reducing microbial growth in humid conditions. Because we keep common sizes and components on hand, most installations happen during your cleaning appointment without a return visit. If your system needs something specialized, we coordinate fast turnaround through our Baltimore office so you’re not left waiting with compromised air quality.
Common Air Duct Cleaning Problems We See in Randallstown Homes
- Crumbling fiberglass duct liner in original 1960s sheet-metal runs. This material was never designed for a fifty-year lifespan. Once it starts breaking down, it releases visible fibers and particulates into living spaces. Standard cleaning alone often accelerates the deterioration, which is why we inspect first and recommend encapsulation when the liner is failing.
- Moisture intrusion in basement and crawl-space duct runs. Randallstown’s clay-heavy soil holds water, and seasonal temperature swings cause condensation on uninsulated duct surfaces. This persistent dampness promotes mold and mildew growth inside the system, especially in homes where the original ductwork was never sealed against ground moisture.
- Shoulder-season condensation compounding contamination. Warm days followed by cold nights in spring and fall create temperature differentials inside 50-year-old ducts. Water forms on the duct walls, mixes with accumulated dust and debris, and creates a layer of adhered contamination that basic vacuuming won’t remove. Our rotary brush agitation breaks this material loose so negative-air extraction can pull it out.
- Disconnected or crushed flex-duct sections from later modifications. Some Randallstown homes had partial duct replacements or additions using early flex duct, which can sag, tear, or become crushed over time. These restrictions reduce airflow and create debris traps. We locate these problems during video inspection and recommend repair or replacement as part of a complete solution.
Pricing for Air Duct Cleaning in Randallstown, MD
Most full residential air duct cleanings in Randallstown run between $350 and $650 for a complete supply and return system. Partial cleanings, supply-only or return-only work, typically fall in the $200-$400 range. Commercial systems start around $800 and scale based on square footage, number of air handlers, and accessibility. Video inspection is $75-$150 and is included in our recommendation for any home built before 1980.
Several factors affect where your job falls in these ranges. Homes with more vents take longer to service properly. Basement and crawl-space duct runs require additional setup time for containment and access. Encapsulation work for deteriorating liner adds $400-$900 depending on the linear footage involved. We give you one flat price per system, agreed in writing, before any work begins. No per-vent pricing. No add-ons at the door. Call (469) 972-3151 for a free estimate, we’ll ask about your home’s age, system type, and what you’ve been experiencing, then give you an honest range.
We Also Serve Cities Near Randallstown
Our crews work throughout Baltimore County and surrounding communities. We regularly schedule Air Duct Cleaning in Randallstown alongside appointments in Pikesville, Owings Mills, Reisterstown, and Catonsville. While each of these markets has its own housing stock and ductwork characteristics, Randallstown’s compressed 1955-1975 build window creates a unique concentration of aging systems that our Air Duct Cleaning team is specifically equipped to assess and address.
Serving Randallstown, MD - Our Local Coverage Area
We’re based in the Randallstown 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 Air Duct Cleaning in Randallstown
The compressed build window between 1955 and 1975 means entire neighborhoods off Liberty Road and in Milford Mill hit duct-liner failure at roughly the same time. The fiberglass liner installed in that era breaks down after 50 years and sheds particulates into living spaces. Standard cleaning removes loose debris but can accelerate liner deterioration. Many Randallstown homes need encapsulation or partial replacement to actually solve the problem. Call (469) 972-3151 and we’ll inspect your system to tell you which category you’re in.
We typically find gray or yellow fiberglass liner that has become brittle, with visible cracking, flaking, or areas where the material has already detached from the metal duct wall. There may be dark staining from moisture exposure, accumulated dust adhered to damp surfaces, and in some cases, sections where the liner has collapsed into the airflow path. Our camera sends this footage to a monitor so you can see exactly what we’re seeing. The written price we provide reflects what your specific system needs based on what we find.
Randallstown sits in Maryland’s humid subtropical transition zone, with summers that push heat-index values above 100°F and humidity that stays elevated into September. This moisture infiltrates aging duct systems through unsealed joints and deteriorating liner. Shoulder-season temperature swings, warm days followed by cold nights, cause condensation inside metal ducts. In 50-year-old systems, this repeated wet-dry cycling breaks down liner adhesive and creates conditions for mold growth. A thorough cleaning that doesn’t address sealing leaves the system primed to re-contaminate within a season.
Yes, our process aligns with NADCA ACR guidelines for source removal, containment, and post-cleaning verification. We use mechanical agitation with Rotobrush systems, negative-air extraction with Nikro equipment, and HEPA filtration with Abatement Technologies units throughout. For Randallstown’s older homes, we add video inspection before and after to document that the cleaning addressed the actual contamination present, not just what was accessible from the vent opening. The 365-Day Done Right Promise covers our work if conditions return within the guarantee period.
Yes. Baltimore County’s clay-heavy soil holds moisture against basement and crawl-space duct runs, and the seasonal freeze-thaw cycle creates subtle ground movement that can stress duct joints over decades. We regularly find rust at duct seams, separated connections, and moisture staining on the underside of runs in contact with or near the foundation wall. These conditions accelerate liner breakdown and create entry points for soil gases and particulates. Our inspection identifies these issues so the quote reflects complete remediation, not just surface cleaning.
Written by Dale Whitmore, Owner at Kestrel Air Duct Cleaning, serving Randallstown since 2004 under the Kingswell Guarantee.




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