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 Hazardville
Air duct cleaning in Hazardville, CT typically runs $350 – $650 for a complete residential system, and our crews schedule most jobs within three to five business days. We’re familiar with the tight chases and plaster-wrapped ducts that come with mill-era housing, and we bring the right equipment for it.
Our scheduling desk sits in Hartford, but our technicians live in and around Hazardville and know the village’s streets by heart. We pull onto Hazard Avenue or cut across North Road to reach homes in the historic mill district and the neighborhoods near Hazardville Park without backtracking through Enfield. That local routing matters when you’re carrying a Rotobrush rotary system and a Nikro negative-air machine up three flights of narrow mill-house stairs. We’ve cleaned ducts in the converted multi-families off Hazard Avenue, in the wood-frames near the park, and in the scattered ranch homes north of the village center. Each one has a different duct story, and we’ve seen enough of them to know what we’re walking into.
If your registers are pushing dust, your allergies spike every April when the Connecticut River Valley oak pollen hits, or your system simply hasn’t been opened in a decade, call us at (361) 326-5060. We’ll give you a written price before we touch anything.
Why Hollis Air Duct Cleaning Is Hazardville’s Preferred Air Duct Cleaning Company
Hazardville homeowners call us back because we treat their mill-era houses with the care those plaster walls demand. Our Air Duct Cleaning team has rebuilt access panels in homes where the original gravity-furnace ducts were retrofit through 100-year-old plaster, and we know how to set suction low enough to clean without dislodging ancient plaster keys.
We’ve earned a strong local reputation in Hazardville through showing up inside our quoted window and leaving the site clean. Our technicians are background-checked and uniformed, and they arrive with the job spec already written. No surprises at the door.
Phones are answered by a live person 24 hours a day, 7 days a week. When you call about a job in Hazardville, you’re talking to someone who can see our crew availability and book you a slot, not leave you in a callback queue until Monday.
Every job carries our 365-Day Done Right Promise in writing. If the work fails within a year, we return and make it right at no charge, including a free second visit. That guarantee is backed by the Garrison Partners family, and it’s been our standard since 2004.
Air Duct Repair in Hazardville
Air Duct Repair in Hazardville often means sealing separated seams in galvanized trunk lines or replacing crushed flexible duct that was jammed through too-tight plaster chases during a 1970s retrofit. We see a lot of both in the village’s mill-era housing stock, where original gravity-furnace ducts were later adapted for forced-air systems with little regard for access or airflow balance.
A typical repair in Hazardville runs $200 – $450 for minor seam sealing or register reconnection, and $500 – $900 if we’re replacing damaged flexible duct or rebuilding a section of trunk line. We price it in writing before we cut anything open.
Separated Seams and Leaky Trunks
Galvanized steel ducts in Hazardville’s older homes often separate at the seams after decades of thermal expansion and vibration. We seal with mastic and mechanical fasteners, not tape that will peel in three years. The goal is restoring airflow to the rooms that have gone cold, not just slapping on a patch.
Crushed or Kinked Flexible Duct
When mid-century contractors retrofit forced air through Hazardville’s original plaster walls, they sometimes forced flexible duct through chases too small for it. We replace those kinked sections with properly sized runs and add access panels so the next technician can actually reach the work.
Ductwork Cleaning in Hazardville
Ductwork Cleaning in Hazardville requires more patience than in a subdivision built in 2005. The village’s 19th- and early-20th-century mill worker housing, much of it later converted to multi-family units, has long duct runs with few access points and irregular chases that were never designed for modern cleaning equipment.
A full residential ductwork cleaning in Hazardville typically costs $350 – $650, with commercial systems in the village’s converted mill buildings running $800 – $1,500 depending on the number of air handlers and the access configuration. We use flexible rotary brush systems from Rotobrush to navigate tight turns, paired with Nikro negative-air machines that capture debris at the source rather than blowing it through your house.
Access Panel Installation
When we encounter a Hazardville home with no way to reach the main trunk line, we cut and seal access panels at strategic points. We don’t leave open holes or raw metal edges. Every panel is gasketed and screwed, not taped, so it can be reopened for future maintenance without destroying the surrounding duct.
Allergen-Heavy Loads
The Connecticut River Valley pumps oak, birch, and ragweed pollen through Hazardville for half the year. That pollen settles in ductwork and recirculates every time the blower kicks on. Our cleaning protocol for Hazardville homes includes HEPA-filtered negative-air containment because the debris load here is heavier than in less exposed towns.
Trusted Brands We Service in Hazardville
We stock parts and filtration products from Aprilaire, Abatement Technologies, and Guardsman for our Hazardville customers, which means most filter upgrades and component replacements happen on the first visit instead of a return trip. Aprilaire media air cleaners handle the heavy pollen loads that come with valley living. Abatement Technologies HEPA filtration integrates with our Nikro negative-air machines for containment during cleaning. Guardsman products protect duct surfaces after repair. Our technicians carry common sizes on the truck, and if your system uses something specialized, we source it from Hartford-area suppliers with next-day turnaround. No waiting two weeks for a filter that should have been changed last season.
Common Air Duct Cleaning Problems We See in Hazardville Homes
- Asbestos-wrapped ducts in the mill district. Many original galvanized steel ducts in Hazardville’s historic core are wrapped in asbestos insulation. We test before we clean, and if it’s present, we bring in a licensed abatement contractor. This step rarely comes up in newer neighboring towns, but it’s standard protocol for us on Hazardville’s older streets.
- Heavy spring pollen accumulation. The Connecticut River Valley’s oak and birch pollen counts are among New England’s highest. Hazardville homes that skip annual cleaning often have visible pollen cakes on return duct walls by June, which then recirculates through the house all summer.
- Road salt dust in winter. Salt tracked in on boots dries to fine dust that gets pulled into return grilles. We see thick gray buildup in Hazardville basements every March, especially in homes with floor-level returns near the main entry.
- Fall leaf debris in outdoor intakes. Homes near Hazardville Park and other tree-heavy areas get leaves sucked into outdoor air intakes. That organic matter decays in the duct, feeding mold growth that shows up as a musty smell when the heat first kicks on in October.
Pricing for Air Duct Cleaning in Hazardville, CT
Here’s what we charge for Air Duct Cleaning in Hazardville. These are whole-system prices, not per-vent teasers that balloon at the door:
| Service | Typical Range |
|---|---|
| Residential full system cleaning | $350 – $650 |
| Supply duct cleaning only | $200 – $350 |
| Return duct cleaning only | $180 – $300 |
| Video inspection (standalone) | $150 – $250 |
| Commercial system cleaning | $800 – $1,500 |
| Air duct repair (minor) | $200 – $450 |
| Air duct repair (major) | $500 – $900 |
What moves the price: the number of air handlers, whether we need to cut new access panels, if asbestos testing is required, and the overall debris load. A 2,000-square-foot ranch with one furnace and good access sits at the low end. A three-story converted mill house with multiple systems, plaster-wrapped ducts, and no access points sits at the high end. We inspect first, write the price down, and you approve it before we start. No per-vent add-ons, no equipment fees that appear mid-job. Call (361) 326-5060 for a free estimate.
We Also Serve Cities Near Hazardville
Our crews clean ducts throughout the Hartford metro and down into the lower Connecticut River Valley. We regularly schedule jobs in Bridgeport, Stamford, New Haven, and Hartford, with routing that keeps our technicians efficient and our appointment windows reliable. If you’re in Hazardville, you’re at the center of our service territory, not the edge of it.
Serving Hazardville, CT - Our Local Coverage Area
We’re based in the Hazardville 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 Hazardville
We typically schedule Hazardville appointments within three to five business days, and our technicians live close enough to reach the village without crossing through Hartford rush-hour traffic. Call (361) 326-5060 to check this week’s availability.
We clean ducts throughout the village, from the historic mill district off Hazard Avenue to the homes near Hazardville Park and the scattered ranches north of North Road. The housing type changes by block, and we’ve worked in all of them.
We don’t treat duct cleaning as an emergency service, but our phones are answered by a live person 24/7. If you’ve got a situation that can’t wait, like visible mold after water damage or a vermin infestation in the ductwork, we’ll get you scheduled at the first available slot and talk you through immediate containment steps.
It can be, because Hazardville’s mill-era housing often requires asbestos testing and careful low-suction cleaning that newer homes don’t need. We price that complexity into our written quote upfront, rather than discovering it mid-job and adding fees.
Every job is backed by our 365-Day Done Right Promise in writing. If the work fails within a year, we return and make it right at no charge, including a free second visit. That’s the Garrison Standard, and it applies to every Duct Sealing in Hazardville job and every cleaning we perform.
We also handle Dryer Vent Cleaning in Hazardville for homeowners who want their full ventilation system maintained by one crew under one guarantee.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Hazardville since 2004.




Before
After
Before
After
Before
After