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.
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AfterFast, Reliable Air Duct Cleaning Across Wilmington
Air duct cleaning in Wilmington, MA typically runs $450 – $850 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, you’re probably dealing with original galvanized trunk lines, flex-duct retrofits, or gravity-furnace-era ducting that needs more than a surface clean. We’ve been working in Wilmington since 2004, and our crews know the difference between a quick brush-out and the real fix: finding the disconnected runs, crushed flex, and pinhole leaks that re-contaminate your air after the truck leaves.
Our Boston office dispatches teams to Wilmington daily. We serve neighborhoods from the historic town center near the Wilmington Town Common out to the ranch developments off Route 62 and the split-level streets near Shawsheen Avenue. You can reach us at (361) 326-5060 – a live person answers, even at 11 PM on a Sunday.
Why Hollis Air Duct Cleaning Is Wilmington’s Preferred Air Duct Cleaning Company
We’re part of the Garrison Partners family, and every Hollis location runs on The Garrison Standard: written price before work starts, arrive inside the quoted window, leave the site clean. In Wilmington, that standard matters because too many homeowners have watched a low teaser quote double once the technician is in the basement. We don’t operate that way. The price we write down is the price you pay.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. And every job carries our 365-Day Done Right Promise – if the work fails within a year, we come back and make it right at no charge, including a free second visit. No negotiation, no runaround.
We answer calls 24 hours a day, 7 days a week. Not a voicemail loop. Not a callback queue. A live person who can book your appointment or answer a question about what we found in your ducts last time.
Ductwork Cleaning in Wilmington
Ductwork Cleaning in Wilmington means more than pushing a brush through visible vents. Most homes here were built during the postwar boom with galvanized steel trunk lines sized for gravity furnaces or early forced-air systems. Those original ducts weren’t designed for the static pressure of modern variable-speed blowers, and forty to seventy years of oak pollen, pet dander, and combustion dust have settled in seams that were never meant to be airtight.
Our process starts with negative-air setup using Nikro HEPA-filtered collection units. We seal each vent, create suction through the entire system, then run Rotobrush rotary agitation tools through supply and return runs to dislodge debris without damaging original ductwork. For flex-duct retrofits common in Wilmington split-levels, we adjust technique to avoid tearing the corrugated lining where debris traps and sags collect.
A typical whole-system Ductwork Cleaning in Wilmington runs $450 – $650 for a ranch or smaller split-level, and $650 – $850 for larger homes with multiple zones or extensive flex-duct additions. We inspect before we quote, so the price reflects what your system actually needs.
Supply Duct Cleaning
Supply ducts push conditioned air to your rooms. In Wilmington’s 1950s ranches, we often find these branch runs partially blocked by collapsed flex connections or debris piles at the elbows where original galvanized meets retrofit flex. Our rotary brushes clear the obstruction; if we find a crushed section, we flag it for repair or replacement before the clean is complete.
Return Duct Cleaning
Return ducts pull air back to the handler, and they’re the entry point for Wilmington’s spring pollen surge. Oak and pine pollen settles in return trunks all winter while systems sit dormant, then blasts through the house on that first 70-degree day. We clean returns with extra attention to the main trunk, where decades of accumulation often hides behind finished basement ceilings.
Air Duct Inspection in Wilmington
Air Duct Inspection in Wilmington should happen before any cleaning work is priced, especially if your home has original 1950s – 1970s ductwork. We feed high-resolution video cameras through supply and return runs to document what we’re dealing with: disconnected elbows behind finished walls, pinhole corrosion at galvanized seams, flex-duct sags cutting airflow to second-floor bedrooms, or mold growth from summer humidity trapped in stagnant lines.
The inspection takes 45 – 90 minutes depending on system size. We show you the footage. If the ducts are intact and only need cleaning, we quote the clean. If we find disconnected runs, crushed flex, or significant leakage, we explain the repair and give you a written price for both the cleaning and the sealing work. An Air Duct Inspection in Wilmington costs $150 – $250, and that fee is applied toward your cleaning if you proceed.
Here’s what we mean by “intact.” A duct can look passable on a quick vent check and still be leaking 30% of its airflow into the crawlspace or joist bay. The camera finds what eyes can’t.
Video Documentation
We record the full inspection and provide timestamped footage of any problem areas. In a 1962 split-level off Shawsheen Avenue, our tech pulled a return register and found the original galvanized trunk disconnected at an elbow behind the finished basement wall – 40 years of oak pollen, pet dander, and drywall dust had been dumping into the joist bay instead of reaching the air handler. We set up negative pressure with HEPA filtration, ran agitation tools through the supply and return ducts, and sealed the break with mastic and mesh; the homeowner noticed the musty smell gone by the next warm day. Without video, that disconnect stays hidden until someone opens the wall.
System Performance Check
We measure static pressure and airflow at the air handler and key vents. Original ductwork in Wilmington’s older homes often starves the blower motor, causing short-cycling, uneven heating, and premature equipment failure. The numbers tell us whether cleaning alone will help or whether duct sealing is the real priority.
Trusted Brands We Service in Wilmington
Our Wilmington crews run professional-grade equipment, not hardware-store rentals. We clean with Rotobrush rotary brush systems and Nikro negative-air machines, the same tools commercial contractors use in schools and medical facilities. For filtration upgrades and repairs, we stock Honeywell media filters, Aprilaire whole-house purifiers, and Guardsman antimicrobial treatments. We don’t have to order parts and make you wait. Most common filter sizes and repair materials are on the truck, so if we find a disconnected duct or compromised flex during your clean, we can seal it the same day.
Common Air Duct Cleaning Problems We See in Wilmington Homes
- Pinhole leaks at galvanized seams. Original 1950s – 1970s ductwork in Wilmington ranches develops corrosion at joints and seams. Cleaning without sealing just re-contaminates the system, pulling crawlspace dust and fiberglass into airflow through gaps the homeowner never sees.
- Disconnected elbows behind finished walls. The field vignette from Shawsheen Avenue isn’t unusual. Gravity-furnace-era ducting was assembled with slip joints and minimal fasteners; decades of vibration and thermal cycling separate connections in finished basement ceilings and wall cavities.
- Flex-duct retrofits trapping debris in corrugations. Split-levels all over Wilmington have flex-duct additions from the 1980s and 1990s. The ribbed interior catches dust and pollen, and sagging runs between joists cut airflow to second-floor bedrooms even after a surface clean.
- Mold in stagnant summer ductwork. Wilmington’s cold winters mean 6 – 7 months of continuous heating. When systems shut down in spring, humidity settles in dormant ducts. The first AC cycle in June can blast musty, spore-laden air through the house – a direct result of ducts that weren’t cleaned before cooling season.
Pricing for Air Duct Cleaning in Wilmington, MA
Most Wilmington homeowners pay $450 – $850 for complete residential duct cleaning, depending on system size, accessibility, and whether we find repairs during inspection. A single-zone ranch with original galvanized ductwork and basement access typically falls at the lower end. Split-levels with flex-duct retrofits, multiple zones, or finished basements that limit access run higher. Commercial systems start around $1,200 and scale with square footage and HVAC complexity.
What moves the price: number of vents and returns, whether the air handler and blower need cleaning, extent of flex-duct versus hard-duct, and any sealing or repair work found during video inspection. We do not quote per-vent. We quote one flat price per system, agreed in writing before any work starts. No add-ons at the door. No “we found something unexpected” upsells.
Call (361) 326-5060 for a free estimate. We’ll ask about your home’s age, system type, and any symptoms you’ve noticed, then schedule an inspection if you want eyes inside the ducts before deciding.
We Also Serve Cities Near Wilmington
Our crews work throughout the northern Middlesex County area, including Air Duct Cleaning in Wilmington and surrounding communities. We regularly schedule jobs in Pinehurst, Burlington, Reading, and Woburn from the same Boston dispatch office that handles Wilmington calls. If you’re in one of these towns and dealing with original postwar ductwork or spring pollen buildup, the same crew standards and pricing structure apply.
Serving Wilmington, MA - Our Local Coverage Area
We’re based in the Wilmington 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 Wilmington
Because oak and pine pollen settled in your dormant ducts all winter, and the first AC cycle stirs up months of accumulated dust, dander, and microbial growth that flourished in Wilmington’s humid summer conditions. The smell usually means your return trunks and air handler need cleaning before cooling season. Call (361) 326-5060 and we’ll inspect before the next heat wave hits.
Yes, and we do it carefully. Original galvanized ductwork in Wilmington splits is often thinner-gauge than modern material, so we use lower-RPM rotary tools and adjust brush tension to avoid damaging seams. We also video-inspect first to find disconnects or corrosion that would make cleaning alone a waste of your money. The inspection is $150 – $250, applied to cleaning if you proceed.
Every 3 – 5 years for most homes, but every 2 – 3 years if you have pets, allergies, or original ductwork with known leakage. Wilmington’s extended heating season and heavy spring pollen load accelerate accumulation in older systems. If you’ve never had the ducts cleaned since buying a 1960s-era home, start with an inspection to see what you’re dealing with.
We clean the air handler cabinet, blower wheel, and evaporator coil access as part of a full system cleaning. The blower motor itself is inspected and the compartment is vacuumed and treated, but we do not disassemble sealed motor housings. In Wilmington’s older homes, the blower often caked with dust from years of pulling through leaky return plenums – cleaning it improves airflow and reduces strain on the motor.
We reattach the separated section with mechanical fasteners, seal the joint with mastic and reinforcing mesh, and verify the repair with a follow-up camera pull and static pressure test. In finished spaces where access is limited, we may need to cut a small access panel in drywall or drop a basement ceiling tile – always discussed and priced in writing before we start. The goal is restored airflow to the affected rooms and stopped contamination of wall or joist cavities. Call (361) 326-5060 to schedule an inspection if you suspect a disconnect.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Wilmington and the greater Boston area since 2004.