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.
Before
After
Before
After
Before
AfterFast, Reliable Air Duct Cleaning Across Stamford
Air duct cleaning in Stamford typically runs $350 – $650 for a full residential system, with most homes in Springdale, Glenbrook, and North Stamford falling in the $450 – $550 range depending on duct accessibility and contamination level. We dispatch crews from our Hartford office and serve Stamford homeowners directly, with scheduling coordinated so you’re not waiting weeks for an appointment. Call (361) 326-5060 for a free written estimate.
We’ve worked in Stamford long enough to know the local housing stock isn’t uniform. A 1950s ranch in Springdale with galvanized ducts in a damp crawlspace needs a different approach than a 1990s contemporary in North Stamford with flex duct in a conditioned attic. Our Air Duct Cleaning team treats each system on its own terms, not with a one-size-fits-all van setup.
Why Hollis Air Duct Cleaning Is Stamford’s Preferred Air Duct Cleaning Company
We’ve been part of the Garrison Partners family since 2004, and our Stamford customers know we show up inside the quoted window, price the job in writing before touching anything, and leave the site clean. That’s The Garrison Standard, and it’s how every Hollis location operates, including ours serving Fairfield County.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. Phones are answered by a live person 24 hours a day, 7 days a week – no voicemail loops, no callback queues, no waiting until Monday for a human voice.
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. No negotiation, no runaround.
We coordinate scheduling from our Hartford office, but our crews know Stamford’s neighborhoods. We’ve cleaned ducts in the crawlspaces of Glenbrook capes, the attics of Springdale ranches, and the high-rise mechanical rooms downtown. That local familiarity means we arrive with the right equipment and the right expectations.
Air Duct Inspection in Stamford
Air Duct Inspection in Stamford starts with a camera run through your main trunk lines and a visual check of the air handler, coil, and blower assembly. We do this before quoting any cleaning work, because Stamford’s coastal climate and varied housing stock mean two systems that look identical from the outside can have completely different interior conditions. A typical inspection runs $150 – $250, and if you proceed with cleaning, we apply that toward the job.
When to Schedule an Inspection
Musty smells when the AC or heat kicks on, visible dust pluming from registers, or uneven airflow between rooms are all reasons to call. In Shippan and the Cove, we also recommend inspection if you’ve noticed corrosion on register grilles or reduced cooling efficiency – salt air accelerates coil and duct degradation, and catching it early saves replacement costs.
What the Camera Reveals
Our inspection cameras show mold mat, rust bloom, insulation sag, and debris buildup in real time. You’ll see what we see. In older Springdale and Glenbrook homes, we often find original galvanized trunks with pinhole corrosion and separated joints that a surface cleaning won’t address. The inspection lets us quote accurately and explain exactly what needs doing.
Residential Air Duct Cleaning in Stamford
Residential Air Duct Cleaning in Stamford means complete source removal of dust, debris, mold, and microbial growth from your entire duct system, not just the visible supply registers. We use negative-air machines with HEPA filtration, rotary brush agitation, and controlled vacuum extraction to pull contamination out of the ductwork rather than pushing it deeper. A typical single-system home in Stamford runs $450 – $650, with larger North Stamford homes or systems with hard-to-access crawlspace runs toward the higher end.
The Source-Removal Difference
Physical agitation and negative pressure extraction remove the actual contamination. Fogging or spraying a chemical mist into ducts does not. The mold mat and salt-corroded debris stay attached to the duct walls, and the smell returns within a season. We don’t sell fogging upsells because they don’t solve the problem Stamford’s climate creates.
Coastal and Crawlspace Considerations
Homes in Shippan, the Cove, and coastal Stamford see salt-air corrosion on galvanized ducts and HVAC coils that inland Fairfield County homes don’t face. Meanwhile, the unheated crawlspaces under Springdale and Glenbrook ranches create year-round condensation that feeds mold growth. Our cleaning addresses both: we clean the full system including attic and crawlspace runs, and we inspect the coil and blower for salt-related degradation that affects performance.
Trusted Brands We Service in Stamford
We carry professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies, and we stock filtration products from Honeywell, Aprilaire, and Guardsman for Stamford customers who want upgraded protection after cleaning. Rotobrush rotary brush systems handle the agitation work inside residential ducts, while Nikro negative-air machines maintain HEPA-filtered containment so nothing escapes into your living space during the job. We keep common parts and filters on our vans, so if your inspection reveals a corroded register, damaged flex duct, or failing filter housing, we can often address it during the same visit rather than ordering parts and rescheduling.
Common Air Duct Cleaning Problems We See in Stamford Homes
- Surface mold in unheated crawlspaces. The crawlspaces under Springdale and Glenbrook ranches stay cold and damp year-round, creating ideal conditions for mold growth on duct exteriors and interiors. We find this on the majority of pre-1970 homes we inspect in these neighborhoods.
- Salt-air corrosion on coastal properties. In Shippan and the Cove, salt-laden air from Long Island Sound accelerates rust on galvanized ductwork, register grilles, and air handler coils. This isn’t cosmetic – corroded coils reduce efficiency and can fail prematurely.
- Fallen leaf litter and pollen in North Stamford. The dense oak and maple canopy in North Stamford clogs outdoor HVAC intakes every autumn, and that debris migrates into ductwork if intake screens are damaged or missing. We check this during every inspection.
- Insulation degradation from freeze-thaw cycles. Ducts in unconditioned Stamford attics and crawlspaces experience repeated expansion and contraction as seasons change, causing insulation to pull away from joints and create condensation points that attract mold.
Pricing for Air Duct Cleaning in Stamford, CT
Here’s what honest pricing looks like for Stamford’s market. These are whole-system ranges, not per-vent teaser quotes that balloon once the technician is inside your home.
| Service | Typical Range in Stamford |
|---|---|
| Air Duct Inspection | $150 – $250 (applied to cleaning if scheduled) |
| Residential Duct Cleaning (single system, standard access) | $450 – $550 |
| Residential Duct Cleaning (large home or crawlspace/attic runs) | $550 – $650 |
| Dryer Vent Cleaning (add-on) | $125 – $175 |
| Duct Sealing (per system, if needed) | $400 – $600 |
What moves the price: number of supply and return registers, accessibility of trunk lines in crawlspaces or attics, presence of mold requiring additional containment time, and whether the air handler and coil need separate cleaning. We give you one flat price per system, agreed in writing, before any work starts. No per-vent add-ons, no “surprise” charges at the door. Call (361) 326-5060 for a free estimate – we’ll ask about your home’s age, neighborhood, and any symptoms you’ve noticed, then quote accurately.
We Also Serve Cities Near Stamford
Our crews regularly work in Stamford and the surrounding communities: Old Greenwich, Riverside, Cos Cob, and Greenwich. The same salt-air and coastal humidity dynamics apply throughout this shoreline corridor, and we bring the same inspection and cleaning protocols to every job.
Serving Stamford, CT - Our Local Coverage Area
We’re based in the Stamford 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 Stamford
Salt-laden air from Long Island Sound accelerates corrosion on ductwork and HVAC coils while introducing moisture that feeds mold growth, especially in unheated crawlspaces. Inland towns like Ridgefield or Newtown don’t see this combination of salt corrosion plus chronic dampness, so their ductwork stays cleaner longer. Call (361) 326-5060 if you’re noticing musty odors – we’ll inspect and quote at no charge.
No. Fogging leaves the mold mat and debris physically attached to the duct walls; it only masks odor temporarily. In Stamford’s humid climate, the moisture and spores return within a season. Real source removal with agitation tools and negative-air extraction is the only method that eliminates the contamination. We don’t sell fogging because it doesn’t work for the problems this climate creates.
Every 4 – 6 years for most North Stamford homes, or sooner if you notice reduced airflow, visible dust, or musty smells. The dense tree canopy fills outdoor intakes with pollen and leaf litter every fall, and that debris migrates into ductwork over time. We inspect intake screens during every visit and recommend cleaning when camera inspection shows significant buildup, not on an arbitrary schedule. Call (361) 326-5060 to schedule an inspection.
A genuine clean sets up negative pressure at the air handler, runs rotary brushes and whips through every supply and return duct, extracts debris with HEPA-filtered vacuum, and includes camera verification afterward. A quick surface job only vacuums visible register areas and maybe the first few feet of duct, missing the trunk lines, crawlspace runs, and air handler where most contamination lives. We do the full protocol every time – it’s the only way our 365-Day Done Right Promise stays valid.
Yes. Glenbrook and Springdale homes often have original galvanized steel ducts from the 1950s – 60s, frequently in unheated crawlspaces with rust, separated joints, and minimal insulation. North Stamford’s 1980s – 90s builds typically use flex duct or insulated hard pipe in conditioned or semi-conditioned spaces, which degrades differently. The cleaning approach changes: older galvanized systems need careful corrosion assessment before agitation, while flex duct requires gentler brush contact to avoid tearing. We adjust our methods based on what your inspection shows.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Stamford and Fairfield County since 2004.