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 Windsor Locks
Air duct cleaning in Windsor Locks typically runs $350 – $650 for a full residential system and is scheduled within a few business days, with dispatch coordinated from our Hartford office. Our crews serve Windsor Locks directly, and we know the local housing stock well enough to price the job accurately before we arrive.
We’ve been cleaning ducts in Windsor Locks since 2004, and the calls we get here are different from other towns. The mid-century capes off Route 75, the colonials near the canal village, the 1980s subdivisions off Elm Street and Halfway House Road – each has its own duct configuration and its own problems. Roy Castellanos and our team don’t guess at pricing. We ask about your home’s age, your system’s layout, and whether you’ve noticed black dust settling on surfaces after you clean. Then we give you a written price. That price doesn’t move when the van pulls into your driveway.
Call (361) 326-5060 for a free estimate. We’ll answer live, ask the right questions, and get you scheduled.
Why Hollis Air Duct Cleaning Is Windsor Locks’s Preferred Air Duct Cleaning Company
Our Air Duct Cleaning in Windsor Locks reputation was built on showing up inside the window and leaving the site clean. Windsor Locks homeowners have told us the same story for years: they hired a cheap coupon outfit, the technician arrived late and alone, and the “whole house special” became a per-vent upsell before the hoses were unpacked. That doesn’t happen here.
Every Hollis technician is background-checked, uniformed, and trained to The Garrison Standard. The price is written down before any work starts. The 365-Day Done Right Promise covers every job in writing – if the work fails within a year, we return and make it right at no charge, including a free second visit. Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues.
We know Windsor Locks’s specific problems. The airport particulate. The canal-adjacent silt. The damp river valley air that keeps duct interiors moist. This isn’t generic knowledge – it’s what we find in Windsor Locks homes every week.
Commercial Air Duct Cleaning in Windsor Locks
Commercial Air Duct Cleaning in Windsor Locks covers office buildings, retail spaces, restaurants, and light industrial facilities where code compliance and employee health are on the line. Windsor Locks’s commercial stock includes older mill-era structures near the canal converted to office use, plus newer flex spaces along the Route 75 corridor. These buildings often have mixed duct materials – original galvanized trunk lines patched with flexible branch runs – and accumulated debris that standard maintenance misses.
Our commercial crews use Nikro negative-air machines and Rotobrush rotary systems to agitate and extract debris without cross-contaminating occupied spaces. A typical commercial duct cleaning in Windsor Locks runs $800 – $2,500 depending on system size and access. We schedule after-hours or weekend work to minimize disruption.
Code Compliance and Documentation
Commercial clients in Windsor Locks need documentation for insurance, OSHA, or property management audits. We provide before-and-after photos, video inspection files, and written reports showing what was removed and what condition the system is in now. The price includes this documentation – no add-on fees.
Kitchen Exhaust and Grease Duct Systems
Restaurants near Bradley International Airport and along the Route 75 commercial strip face fire code inspections that require documented grease duct cleaning. Our crews handle the full exhaust system, from hood to roof penetration, with written certification for your fire marshal file.
Air Duct Cleaning Services in Windsor Locks
Air Duct Cleaning Services in Windsor Locks address the specific problems this town’s housing stock creates. Most Windsor Locks homes were built between 1940 and 1995, with original 8×8 or 10×6 galvanized trunk lines and flexible branch runs that trap debris at every transition. The Connecticut River valley’s damp climate keeps those ducts moist inside, and the airport’s continuous low-level fallout adds a fine black particulate that ordinary dust filters don’t capture.
Our Air Duct Cleaning team handles the full scope: supply duct cleaning, return duct cleaning, air handler cabinet cleaning, and video inspection to show you what we found. A typical residential job in Windsor Locks runs $350 – $650 for a complete system. Duct sealing with mastic, often needed on older homes with disconnected or crushed runs, adds $200 – $400.
Video Inspection and What It Reveals
We run a camera through your trunk lines before we quote and after we finish. Homeowners in Windsor Locks are often surprised to see crushed flexible branches, disconnected transitions, or years of black particulate packed against the galvanized steel. The video becomes part of your record – and part of ours, so we can stand behind the work.

Duct Sealing and System Performance
Cleaning helps airflow, but Duct Sealing in Windsor Locks fixes the leaks that waste energy and pull unfiltered air into the system. In Windsor Locks’s mid-century homes, we commonly find return ducts pulling attic air or crawlspace moisture through gaps in the trunk line. Mastic sealing closes those paths permanently, and the improvement in system efficiency usually pays back within a season or two.

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 Windsor Locks
Our equipment roster includes Rotobrush rotary brush systems for agitating debris inside duct walls, Nikro negative-air machines for containing what we loosen, and filtration products from Honeywell and Guardsman that meet the same specs commercial crews use. We don’t rent equipment by the day – we own it, maintain it, and know its limits. For Windsor Locks homeowners, that means no delays waiting for gear to arrive from another market, and no excuses when the job runs long because a machine wasn’t up to the task. If your system uses Honeywell or Aprilaire filtration components, we stock compatible parts and can replace media during the same visit.
Common Air Duct Cleaning Problems We See in Windsor Locks Homes
- Airport particulate in return-air chases. Windsor Locks sits directly under Bradley International Airport’s approach and departure paths. The fine black soot that settles on roofs and windowsills also pulls into return ducts, especially in pre-jet-era homes that were never designed with filtration in mind. Standard 1-inch furnace filters don’t stop it.
- Undersized returns in mill-era and mid-century homes. The 1940s – 50s houses near Windsor Locks Canal State Park were built for gravity furnaces with low airflow requirements. After a modern high-efficiency system is installed, return velocity spikes and pulls years of canal-adjacent silt into every supply register.
- Moisture and microbial growth in river valley humidity. The Connecticut River valley’s damp springs and humid summers, combined with Windsor Locks’s low elevation at the Farmington River confluence, keep duct interiors moist for months. We find mold and mildew in return chases and air handlers even when the rest of the house feels dry.
- Crushed or disconnected flexible branch runs. The 1980s – 90s subdivisions off Elm Street and Halfway House Road often have flexible duct branches that have been crushed by storage in attics or disconnected at transitions. Airflow drops, noise increases, and debris accumulates where the branch pinches.
Pricing for Air Duct Cleaning in Windsor Locks, CT
Here’s what air duct cleaning costs in Windsor Locks’s market:
- Full residential system cleaning: $350 – $650
- Commercial duct cleaning: $800 – $2,500
- Video inspection (standalone or add-on): $150 – $250
- Duct sealing with mastic: $200 – $400
- Dryer vent cleaning (combined with duct service): $100 – $180
What moves the price: system size, number of registers, accessibility of the air handler, whether we find disconnected or crushed runs that need repair, and the amount of debris accumulation. We don’t quote per-vent or offer teaser coupons that balloon at the door. The price we write down before work starts is the price you pay. Call (361) 326-5060 for an exact quote – estimates are free, and we’ll ask the questions that let us price it right the first time.
We Also Serve Cities Near Windsor Locks
Our crews work across the Hartford metro area, including Windsor Locks, East Hartford, Hartford, Manchester, and West Hartford. Scheduling and dispatch are coordinated from our Hartford office, with local technicians assigned to each market based on availability and expertise. The same written pricing, background-checked crews, and 365-Day Done Right Promise apply in every town we serve.
Serving Windsor Locks, CT - Our Local Coverage Area
We’re based in the Windsor Locks 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 Windsor Locks
Windsor Locks sits directly under Bradley International Airport’s arrival and departure paths, so a fine black particulate from jet exhaust and runway operations settles continuously across the town. Older homes with original return-air chases pull this material inside, and standard dust filters don’t capture it. We were called to a mid-century cape off the Route 75 corridor where the homeowner reported black dust settling on windowsills within days of cleaning. A camera inspection of the original 8×8 galvanized trunk line showed heavy airport particulate packed against every transition and a crushed flexible branch run feeding the back bedroom. We set up negative pressure with HEPA filtration, ran agitation tools through the supply and return ducts, and pulled several pounds of fine black material out of the air handler cabinet before the system ran clean. Call (361) 326-5060 if you’re seeing this pattern – we can inspect and quote same-week.
Yes. The mill-era and post-war homes near Windsor Locks Canal State Park were typically built with gravity furnaces and undersized return ducts that can’t handle the airflow of modern high-efficiency systems. After an upgrade, return velocity spikes and pulls canal-adjacent silt and airport particulate into every supply register. We check these systems first for proper return sizing and often recommend duct sealing or return modification alongside cleaning. Call (361) 326-5060 and mention your home’s age and location – we’ll ask the right questions before we schedule.
The Connecticut River valley’s damp springs and humid summers, combined with Windsor Locks’s low elevation at the Farmington River confluence, push relative humidity high enough that duct interiors stay moist for months. This encourages mold and mildew growth in return chases and air handlers even when the rest of the house feels dry. Skipping the air handler and return chases during cleaning – which some low-price outfits do – leaves this growth untouched. Our full-system cleaning includes the air handler cabinet, return plenum, and all accessible trunk lines. Call (361) 326-5060 for an estimate that covers the complete scope.
Our technician arrives in a marked van, in uniform, within the scheduled window. We start with a video inspection of your trunk lines, then show you what we found before we quote. The price is written down and agreed to before work begins. We cover floors and furniture, set up negative-air containment with HEPA filtration, and run rotary brushes through supply and return ducts. We clean the air handler cabinet, replace your filter if you’ve provided one, and run a final video pass to document the results. Most Windsor Locks homes take 3 – 5 hours. The site is left clean, and the 365-Day Done Right Promise goes into writing before we leave. Call (361) 326-5060 to schedule.
Yes. We clean commercial duct systems in Windsor Locks office buildings, retail spaces, restaurants, and light industrial facilities. Commercial work uses the same Nikro negative-air and Rotobrush equipment scaled to larger systems, with after-hours scheduling available to minimize disruption. Typical commercial duct cleaning in Windsor Locks runs $800 – $2,500 depending on system size. We provide before-and-after documentation for insurance, OSHA, or property management compliance. Call (361) 326-5060 to discuss your building’s specific requirements.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Windsor Locks since 2004.




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