Air Duct Cleaning Services in Norwalk, NY
Norwalk homeowners typically pay $350-$650 for whole-house air duct cleaning, with most appointments completed in a single visit. Bellows Air Duct & Vent Co. of New York has worked in Norwalk since 2017, and we answer calls live 24 hours a day at (833) 348-8789. Most jobs include camera inspection before and after, with our 90-Day Done Right Promise in writing.
We’ve cleaned ductwork from the harbor-side streets of South Norwalk up through the wooded hills of Cranbury and Wilton, NY. The homes here carry a particular burden: salt air off Long Island Sound, decades-old sheet-metal systems, and the kind of coastal humidity that turns ductwork into a mold habitat if left unattended. We know what to look for because we’ve seen it here, repeatedly, across every season.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why Norwalk Homeowners Choose Bellows Air Duct & Vent Co. of New York
Our technicians have cleared condensate-blocked returns in East Norwalk crawlspaces, sealed corroded trunk lines in 1960s Cranbury ranches, and pulled compacted lint from dryer vents in Silvermine colonials. The work changes with the neighborhood, but our approach doesn’t: one honest price shown before we start, camera verification every time, and the 90-Day Done Right Promise stamped on the invoice.
Norwalk residents call us back because we pick up the phone. Not an app. Not a voicemail tree. A live person at our office, day or night. Our background-checked, uniformed technicians arrive when we say they will, and they stay until the job is done right. We’ve built our reputation in Fairfield County on not needing to be called back - though we’re here if you ever do.
We’re licensed and insured, and we carry professional-grade equipment from Rotobrush and Abatement Technologies, the same brands serious HVAC contractors specify for commercial installations. No bait coupons, no price changes at the door. That’s been our practice since 1984.
Air Duct Cleaning Services We Offer in Norwalk
Air Duct Cleaning
Whole-house cleaning of supply and return ductwork, including main trunk lines, branch ducts, and register boots. We use Rotobrush contact cleaning and high-velocity negative air systems depending on your home’s configuration, with camera inspection before and after to verify results. Most Norwalk homes built between 1950 and 1980 need this service every 3-5 years due to accumulated particulate in original sheet-metal systems.
Learn more about our Air Duct Cleaning in Norwalk.

Dryer Vent Cleaning
Lint removal from dryer exhaust ducts through to exterior termination, with airflow testing to confirm safe operation. In Norwalk’s older Cape Cods and split-levels, we frequently find crushed foil transition hoses and bird-nest blockages in sidewall vents that create genuine fire hazards. This service typically takes 45-90 minutes and is often scheduled alongside air duct cleaning.
Learn more about our Dryer Vent Cleaning in Norwalk.

HVAC Cleaning
Deep cleaning of furnace cabinets, blower assemblies, evaporator coils, and plenums. Coastal salt air in Norwalk accelerates corrosion on HVAC components, and accumulated biological growth on coils reduces efficiency by 15-30% in homes within a half-mile of the waterfront. We clean what duct-only services miss.
Learn more about our HVAC Cleaning in Norwalk.

Duct Repair & Sealing
Sheet-metal repair, flex-duct replacement, and Duct Repair & Sealing - Norwalk with Aeroseal or mastic sealing of leaks. Norwalk’s humidity cycles degrade duct tape and fiberglass seals; we find 20-30% air loss in typical unsealed systems. Sealing improves efficiency and reduces the moisture infiltration that drives mold growth in coastal homes.

Air Quality & Sanitizing
our Air Quality & Sanitizing in Norwalk includes EPA-registered antimicrobial application and optional Aprilaire air purifier installation. For Norwalk homes with documented mold or persistent musty odors, particularly in waterfront neighborhoods, sanitizing follows mechanical cleaning to address biological contamination that brushing alone cannot resolve.

Neighborhoods We Serve in Norwalk
We schedule appointments across Norwalk with same-day or next-day availability for most service calls. These are the areas we know best:
- East Norwalk - waterfront homes near the Saugatuck River with chronic crawlspace moisture issues
- South Norwalk (SoNo) - converted row houses and lofts with retrofitted, non-standard duct configurations
- Cranbury - mid-century ranches and split-levels with original 1960s sheet-metal trunk lines
- Silvermine - older colonials and estate homes with complex multi-zone systems
ZIP codes we cover: 06856, 06857, 06858, 06859.
Why Norwalk’s Climate & Housing Affect Air Duct Cleaning
Norwalk sits directly on Long Island Sound, and the persistent coastal humidity - especially in low-lying neighborhoods like East Norwalk and the South Norwalk waterfront - drives mold and mildew accumulation inside ductwork at rates well above inland Fairfield County cities. This maritime moisture problem means air duct cleaning in Norwalk is not just a dust-removal service but a genuine mold-mitigation necessity, particularly after humid summers.
The housing stock compounds the challenge. Norwalk’s homes are heavily concentrated in mid-century Cape Cods, ranch homes, and split-levels built during the 1950s-1970s suburban expansion, many of which still have their original sheet-metal ductwork. Decades-old systems that have never been professionally cleaned show corrosion from cycles of salt-air humidity. South Norwalk also has converted 19th-century row houses and commercial buildings with retrofitted HVAC systems that present non-standard duct configurations our technicians must diagnose on-site.
Technicians working East Norwalk neighborhoods near the Saugatuck River and tidal inlets regularly find standing condensation and visible mold colonies inside flex-duct returns in crawlspaces - a failure mode that inland towns almost never produce. The Long Island Sound coastline creates a microclimate with higher relative humidity and salt-laden air compared to inland Connecticut, accelerating biological growth inside ducts during warm months and causing premature degradation of duct seals and insulation. Norwalk’s tidal marshes and low-elevation coastal zones compound this by maintaining ground-level humidity that infiltrates crawlspace and basement ductwork year-round. For any home within a half-mile of the waterfront, annual inspection is effectively mandatory.
Pricing for Air Duct Cleaning in Norwalk
We disclose every price before work begins. The number on the phone is the number on the invoice.
| Service | Typical Range in Norwalk |
|---|---|
| Whole-house air duct cleaning (single system, up to 10 vents) | $350-$650 |
| Dryer vent cleaning | $125-$225 |
| HVAC cleaning (blower, coils, cabinet) | $275-$475 |
| Duct sealing (Aeroseal or mastic) | $1,200-$2,800 |
| Air quality sanitizing | $150-$350 |
Standing offers: $50 off any repair over $250, free second opinion on any written estimate, $89 seasonal tune-up, and a permanent 5% senior and veteran discount. Call (833) 348-8789 for an exact quote - estimates are free.
Service Area - Cities Near Norwalk
We also serve homeowners in Air Duct Cleaning in Norwalk surrounding communities, including Westport, Wilton, East Norwalk, and New Canaan. Our technicians route daily through Fairfield County, so appointment times hold even when traffic stacks on I-95 or the Merritt.
Serving Norwalk, NY - Our Local Coverage Area
We’re based in the Norwalk area and know this community well, and we’re also serving Westport, NY. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Norwalk
Whole-house air duct cleaning in Norwalk typically runs $350-$650 for a single HVAC system with up to 10 vents. Homes with additional zones, extensive mold remediation needs, or non-standard duct configurations - common in South Norwalk’s converted commercial buildings - may fall outside this range. Call (833) 348-8789 for an exact quote - estimates are free.
Most Norwalk homes need cleaning every 3-5 years, but waterfront properties in East Norwalk or near the Saugatuck River should schedule annual inspections due to coastal humidity driving mold growth. Original 1950s-1970s ductwork found throughout Cranbury and Silvermine accumulates debris faster than modern systems. If you smell mustiness when the HVAC cycles, it’s time.
Yes, but mechanical cleaning alone isn’t sufficient. We remove visible mold through contact brushing and negative air extraction, then apply EPA-registered antimicrobial treatment. For extensive colonization - common in Norwalk’s flood-prone crawlspaces - we may recommend duct sealing or replacement to eliminate the moisture source. We document everything with camera inspection before and after.
Repair and sealing is usually more economical for localized issues in otherwise sound systems, which describes many Norwalk ranches and Cape Cods. Replacement becomes justified when corrosion from salt-air exposure has compromised multiple trunk sections, or when original asbestos-wrapped ducts are present in pre-1970s homes. We’ll show you camera footage and give both options with fixed prices. Call (833) 348-8789 to schedule an inspection.
We often have same-day availability for Norwalk calls, and next-day scheduling is typical. Our technicians route through Fairfield County daily, and a live person answers our phones 24 hours a day to book appointments. Emergency situations - like a blocked dryer vent causing overheating, or visible mold blowing through registers - get priority routing. Call (833) 348-8789 to check today’s availability.
Written by the team at Bellows Air Duct & Vent Co. of New York, serving Norwalk since 2017.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 60-minute.
- 4You approve before work beginsNothing starts until you say go.
What New York City Customers Say
"Showed up fast, fixed it right the first time, and the price matched the quote. Couldn't ask for more."
- Verified local homeowner"Professional from the first call. Explained everything clearly and left the area spotless."
- Verified local homeowner"Called in the morning, problem solved by afternoon. Honest, upfront pricing - highly recommend."
- Verified local homeowner