Fast, Reliable Air Duct Cleaning Across Greenwich
Air duct cleaning in Greenwich, NY typically costs $450-$1,800 for residential systems, with most standard homes falling in the $450-$850 range and estate properties running higher. Our Air Duct Cleaning crews are on the road to Greenwich within two hours of your call, and most jobs finish in a single visit. We’ve been driving these roads since 1984 - from the village center out to Round Hill Road and all through back-country 06831 - so we know which driveways need a truck-mount rig and which need a compact unit for tight village access. Call (833) 348-8789 for a free estimate with upfront pricing before we lift a single tool.
Why Bellows Air Duct & Vent Co. of New York Is Greenwich’s Preferred Air Duct Cleaning Company
Greenwich homeowners have called us back for forty-two years because we show up when we say, we price it honestly, and we prove the work with a camera. Our 90-Day Done Right Promise is stamped on every job - if it’s not right, we return at no charge, no paperwork, no arguing. That’s not marketing language; it’s how we’ve operated since Lou Ferrante founded this company in 1984.
Our technicians are background-checked, uniformed, and trained on the specific challenges of Greenwich’s housing stock - from the 18th-century Colonials near Putnam Avenue with their retrofitted, non-standard duct runs to the 15,000 sq ft estates off North Street with six-zone systems and pool-house tie-ins. We don’t send a crew that has never seen a wine cellar HVAC branch or a carriage-house air handler.
Calls are answered by a live person, 24 hours a day. Not a voicemail tree. Not an app. A real person who can dispatch a crew to Greenwich tonight if your system needs emergency attention.
We carry a strong local reputation built on never needing to be called back - except by customers who want their next property done. Senior and veteran homeowners receive a permanent 5% discount. We also honor our standing offers: $50 off any repair over $250, a free second opinion on any written estimate, and our $89 seasonal tune-up.
Our Air Duct Cleaning Services in Greenwich
Residential Duct Cleaning
Greenwich’s housing stock demands two completely different approaches. In the older village and Cos Cob areas, we encounter 18th- and 19th-century Colonial and Georgian homes where HVAC was retrofitted through tight historic framing. These non-standard duct routes and difficult access points require patience, specialized brushes, and technicians who won’t force a tool where it doesn’t fit. In back-country Greenwich, we’re cleaning massive 1990s-2000s-era estate builds with extensive flex-duct systems now aging past twenty years. The sagging and debris accumulation at low points in these long runs is predictable - and correctable with the right equipment and time allocation.

Commercial Duct Cleaning
Greenwich’s commercial base includes financial offices along Greenwich Avenue, retail in the central business district, and institutional buildings near the hospital zone. We schedule commercial work to minimize disruption to your operations, and we provide the same camera-verified documentation we offer on residential jobs. Our truck-mount systems handle multi-story buildings, and we coordinate with building management for after-hours access when needed.

Supply Duct Cleaning
Supply ducts deliver conditioned air to your living spaces. In Greenwich’s waterfront homes, we regularly find supply registers in finished basements and wine cellars where coastal humidity has accelerated mold growth on the duct interior. We don’t just vacuum the visible register - we clean the full run back to the plenum, then video-inspect to confirm the surface is restored. This matters especially in homes where the supply system serves multiple wings or outbuildings.

Return Duct Cleaning
Return ducts pull air back to the handler for reconditioning. They’re the dirtiest part of most systems because they collect everything airborne in your home. In Greenwich’s estate properties, return systems are often oversized and run through unconditioned attic or crawl spaces - creating temperature differentials that accelerate dust caking and moisture problems. Our Rotobrush systems with extended cable reach handle these long runs properly.

Full System Cleaning
This is our most called-for service in Greenwich, and for good reason. A full system cleaning addresses supply ducts, return ducts, the air handler cabinet, blower assembly, and coils. For back-country estates, this is not a two-hour job. We recently tackled a full-system cleaning in a 15,000 sq ft back-country estate on Round Hill Road, where the main system tied into a pool house and two staff cottages via aging flex-duct runs. Using our Rotobrush with a 300-foot cable, we cleared debris and mold from low-point sagging ducts that had accumulated over 20 years, then video-inspected to confirm restoration of airflow to all zones. Jobs of this scale require full-day or multi-day scheduling and truck-mount equipment - capabilities that standard residential operators simply don’t bring.

Video Inspection
Every Bellows job starts and ends with a camera. We video-inspect before work begins to document the condition and identify hidden branches, secondary handlers, or tie-ins to outbuildings that the homeowner may not know exist. This is critical in Greenwich, where estate homes with live-in staff quarters or multi-building HVAC connections are common enough that technicians regularly encounter systems the homeowner never knew they had. After cleaning, we video again to prove the work. You see what we see. No claims without evidence.

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 Greenwich
We clean and service ductwork connected to equipment from Honeywell, Aprilaire, and Abatement Technologies - the same brands serious HVAC contractors specify for high-end installations. Our technicians carry common replacement parts and can source specialized components quickly, which matters when your Greenwich home’s system uses integrated controls or proprietary fittings. We don’t show up, look at your Honeywell zone panel, and tell you to call someone else. We fix what we find, or we tell you honestly if it’s outside our scope. That’s the square deal.
Common Air Duct Cleaning Problems We See in Greenwich Homes
- Under-scoped estate jobs. Multi-wing Greenwich properties frequently have secondary air handlers and duct branches serving pool houses, carriage houses, or staff cottages that homeowners are unaware of. Missing these during quoting leads to incomplete cleaning and callback disputes. We walk every system before pricing.
- Standard equipment on mansion-class runs. A typical residential duct cleaner with a 100-foot cable cannot reach the far branches of a 20,000 sq ft estate. We bring truck-mount equipment and 300-foot cable systems for these jobs. Using the wrong tool means leaving debris in the ducts.
- Coastal humidity damage in waterfront basements. Greenwich’s position directly on Long Island Sound exposes it to consistently higher coastal humidity than inland Fairfield County or Westchester towns. This moisture infiltrates ductwork in finished basements and wine cellars, accelerating mold and mildew growth that standard vacuuming won’t address.
- Aging flex-duct sagging in back-country builds. The extensive flex-duct systems installed in 1990s-2000s-era Greenwich estates are now past twenty years. Low points in long runs collect debris and moisture, restricting airflow and creating musty conditions. These require targeted cleaning and often reinforcement or replacement of the worst sections.
Pricing for Air Duct Cleaning in Greenwich, NY
Here’s what duct cleaning costs in Greenwich’s market:
- Standard residential home (up to 3,500 sq ft, single system): $450-$850
- Large home or multi-zone system (3,500-8,000 sq ft): $850-$1,400
- Estate property with multi-day scheduling required (10,000+ sq ft, complex runs): $1,400-$1,800+
- Dryer vent cleaning (add-on or standalone): $150-$250
- Video inspection and documentation: Included with every full-system cleaning
What moves you within these ranges? Number of supply and return vents, accessibility of ductwork, presence of mold or heavy debris requiring remediation, and whether secondary structures are tied into the main system. We disclose your exact price before work begins. The number on the phone is the number on the invoice. Call (833) 348-8789 for a free estimate - we’ll scope your system and give you a firm quote with no pressure.
We Also Serve Cities Near Greenwich
Our crews work throughout lower Fairfield County and into Westchester. We regularly serve Greenwich neighbors in Cos Cob, Port Chester, Rye Brook, and Riverside - often scheduling multiple jobs in the same area to keep our response times tight. If you’re in a nearby community and your home shares the same coastal humidity challenges or estate-scale complexity, we bring the same equipment and the same upfront pricing.
Serving Greenwich, NY - Our Local Coverage Area
We’re based in the Greenwich 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 - Air Duct Cleaning in Greenwich
Back-country estates in 06831 commonly exceed 10,000-20,000 sq ft with multi-zone HVAC systems and duct runs that standard residential equipment cannot fully service in one day. Our crew needs time to access all zones, clean long flex-duct runs properly, and video-inspect every branch - particularly when secondary structures like pool houses or staff cottages tie into the main system. Call (833) 348-8789 and we’ll walk your property to scope the exact schedule and price.
Greenwich’s direct exposure to Long Island Sound creates consistently higher humidity than inland towns, which accelerates moisture infiltration into ductwork - especially in finished basements and wine cellars. This elevates mold and mildew findings during our inspections and often requires targeted remediation beyond standard debris removal. We check for this specifically in Sound-facing homes and adjust our cleaning approach accordingly. Call for a free inspection if you smell mustiness from your vents.
Yes. The 18th- and 19th-century Colonials and Georgians in Cos Cob and the older village areas have retrofitted HVAC through tight historic framing, creating non-standard duct routing and difficult access points. Our technicians carry compact brush systems and hand tools designed for these constraints, and we never force equipment where it doesn’t fit. We’ve cleaned ducts in homes where the original 1780s framing is still intact. Call (833) 348-8789 to discuss your specific access situation.
We can, but only after a full system walk-through confirms all tie-ins. Estate homes in Greenwich regularly have main-house systems that connect to pool houses, carriage houses, or staff quarters via duct branches the homeowner never knew existed. We quote and schedule based on what we actually find, not what we assume. This prevents the under-scoping that leads to incomplete cleaning and disputes. Call for a free walk-through and firm quote.
Homes with extensive flex-duct systems - common in 1990s-2000s back-country Greenwich builds - should be inspected every three to five years and cleaned when video inspection shows significant debris accumulation or sagging. The long runs and low points in these systems collect material faster than rigid metal ductwork. Coastal humidity in Greenwich accelerates any mold issues. We recommend starting with a camera inspection to establish your baseline, then scheduling accordingly. Call (833) 348-8789 to book yours - estimates are free.
Written by Lou Ferrante, Owner at Bellows Air Duct & Vent Co., serving Greenwich since 1984.