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 Greenwich
Air duct cleaning in Greenwich, CT typically costs between $450 and $900 for a full system on a standard single-family home. That’s one flat price per system, agreed in writing before a single duct is touched. We don’t price per vent, and we don’t find reasons to inflate the number once our van is on your street off the Post Road or up toward Round Hill. If you’re calling from Cos Cob, Riverside, Old Greenwich, or anywhere in between, call (737) 727-2314 and a live person picks up. No phone tree, no callbacks.
Greenwich homes are not like inland Connecticut houses. They’re older, bigger, and often built around stone cellars that hold moisture. That changes how ducts get dirty and how they need to be cleaned. We know because we’ve worked in enough of them to recognize the patterns. Our Air Duct Cleaning team carries professional-grade equipment sized for long trunk runs and multi-zone systems, not just the short flex-duct jobs a shop vac on wheels can handle.
Why Cardinal Air Duct Cleaning Is Greenwich’s Preferred Air Duct Cleaning Company
We’re part of the Relay Home Co. family, founded in 2005, and every Greenwich booking runs on The Relay Visibility Guarantee. That means a live trackable arrival window, before-and-after photo documentation of your actual ducts, and a written price before work begins. Not an estimate range. A number. On paper.
The technician who shows up is background-checked, uniformed, and named in your booking confirmation before they arrive. They’re running Rotobrush rotary brush systems and Nikro HEPA-rated vacuums, not a rented truck-mounted rig from a franchise playbook. Our reviews across Greenwich consistently point to the same two things: the price didn’t move, and the photos showed exactly what got removed. That’s the standard. We don’t ask you to take our word for it.
Omar Haddad, who leads the team, set the operating rule early: show the customer the inside of their ducts before and after. If the photos don’t show a difference, the job isn’t done. That rule applies to every home we clean in Greenwich, whether it’s a waterfront estate near Belle Haven or a 1950s ranch off Lake Avenue.
Ductwork Cleaning in Greenwich
Ductwork cleaning in Greenwich means full source removal inside the trunk lines, branch runs, and return plenum, not just brushing the register openings you can see from the hallway. In older homes around central Greenwich and the backcountry, decades of dust, pollen, pet dander, and construction debris settle into the lowest points of the duct system. A surface-level vacuum pass leaves most of it in place. Our process runs a HEPA-filtered negative-pressure vacuum at the air handler while agitation tools dislodge buildup from the interior walls of the ductwork. The loosened debris goes straight into the vacuum, not back into your living room. That’s the technical difference, and it matters in Greenwich houses where ducts run through damp stone basements and narrow joist bays that haven’t been opened in 40 years.
A full ductwork cleaning on a typical Greenwich single-family home runs $450 to $900 per system. Homes with multiple air handlers or finished lower levels with inaccessible trunk lines land at the upper end. We’ll tell you the exact number before we start, and it doesn’t change at the door.
Trunk and branch runs in older construction
Greenwich’s pre-1900 houses, especially near the water in Old Greenwich and Riverside, often have original tin-lined ductwork retrofitted decades after the house was built. The runs are long, the turns are tight, and the access points are limited. We clean what’s reachable through existing registers and access panels, and we inspect what isn’t with a camera before we quote, so there are no surprises mid-job.
Return ducts and the air handler
The return side pulls air from your house back into the blower. In Greenwich homes with plaster walls and old return cavities in wall stud bays, that cavity acts as a duct and accumulates more than you’d expect. We clean supply and return separately and treat the air handler cabinet and blower wheel as part of the job, because a clean set of ducts feeding a dirty blower just redistributes the dirt you paid to remove.
Air Duct Inspection in Greenwich
Air duct inspection in Greenwich is a camera walkthrough of your supply and return system before and during the cleaning. In houses where the ducts are 60, 80, or 100 years old, an inspection is how we know what we’re actually dealing with: collapsed flex runs, disconnected joints, rusted-through sections over damp cellars, or old return cavities filled with mouse-nest debris. We quote after the inspection, not before, because the scope in a 1920s colonial off Sound Beach Avenue is nothing like a 1980s colonial near the Merritt.
An inspection-only visit in Greenwich runs $150 to $250, and that amount is credited toward the cleaning if you book both. Most homeowners add the inspection to the cleaning call, which keeps it to one visit and one invoice.
Video inspection of inaccessible runs
Not every duct in an older Greenwich house is reachable through a register opening. Long horizontal trunk runs, returns buried behind finished walls, and ducts crossing over stone foundation walls all fall into that category. We push a small camera into those runs and record what we find. You see the footage, not just a verbal summary.
Pre-existing damage and condition notes
Some ducts in Greenwich homes have rust, separated seams, or old asbestos tape on the joints. We document what we find before cleaning starts so there’s no ambiguity about what condition the system was in when we arrived. If a repair is needed, you get a written guarantee on that repair and a free second visit if it fails. That’s part of the 365-Day Done Right Promise, and it applies to every booking without exception.
Trusted Brands We Service in Greenwich
The equipment in Greenwich homes runs the range from old gravity systems to current high-efficiency heat pump air handlers. We service and clean all of it. Our trucks carry Aprilaire filtration media for homes that need it, Guardsman UV and filtration components, and we run Abatement Technologies containment units on jobs where dust control is critical, which in Greenwich often means occupied homes with children or residents managing allergies. If your system uses a specific filter or media type, we can match it when we’re on site rather than asking you to hunt for it later.
Common Air Duct Cleaning Problems We See in Greenwich Homes
- Mouse nests and droppings in return cavities near stone cellars. Older Greenwich homes with fieldstone foundations have gaps where mice get in, and the return cavities become sheltered nesting space. We remove the debris and the insulation that’s been contaminated, then seal the entry points we can access.
- Plaster dust packed into ducts from renovations. Greenwich houses get renovated constantly, and contractors don’t always seal registers. Fine plaster dust settles in the low points of the duct system and recirculates for years. It’s one of the most common things we pull out of ducts in central Greenwich and the backcountry.
- Rusted sections over damp basements. Homes near the water in Riverside and Old Greenwich have higher basement humidity, and that shows up as rust inside the ducts. We inspect for it with the camera and document it so you know if a section needs replacement rather than cleaning.
- Multiple air handlers with inconsistent filter replacement. Larger Greenwich homes often have two or three systems, and the one in the attic or the far wing gets forgotten. We clean all systems for one price per system, and we check every filter while we’re there.
Pricing for Air Duct Cleaning in Greenwich, CT
Most standard air duct cleanings in Greenwich run $450 to $900 for a typical single-family home with one air handler. A home with two systems or a finished basement with ceiling-sealed ducts will run higher, typically $800 to $1,300 total. We price per system, not per vent. That’s a deliberate choice: per-vent pricing in Greenwich is how a quote that looks like $249 turns into $1,400 once the technician starts counting registers and adding fees. We don’t do that. You get one flat price per system in writing before we start, and it does not change at the door. Estimates are free. Call (737) 727-2314 and we’ll give you an exact number.
We Also Serve Cities Near Greenwich
If you’re in Cos Cob, Greenwich is our service hub for the area, but we also schedule cleanings in Riverside, Old Greenwich, and Stamford. The pricing structure is identical across those towns. Same flat per-system rate, same written quote before work starts, same before-and-after photos.
Serving Greenwich, CT - 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 About Air Duct Cleaning in Greenwich
Per system, always. Our standard cleaning in Greenwich runs $450 to $900 for a single air handler and covers supply ducts, return ducts, trunk lines, branch runs, the plenum, and the blower wheel. Per-vent pricing is how homeowners end up with a bill several times the quoted figure, and we won’t do it to you. Call (737) 727-2314 for an exact quote on your system.
Every 4 to 7 years for most Greenwich homes, and not at all for some. The honest answer depends on what’s actually in your ducts. If you’ve had a renovation in the last few years, if you have pets, if anyone in the house has allergies that don’t improve with filter changes, or if you see dust settling on surfaces within a day of cleaning, it’s worth an inspection. If none of those apply and your last cleaning was recent, we’ll tell you to wait. We won’t book a job you don’t need.
We photograph the inside of your ducts with the inspection camera before cleaning begins and again after the system is done. The photos are of your ducts, not stock images, and they’re included with your digital invoice. If the photos don’t show a clear difference, we keep working until they do or we tell you why. That’s the only proof that matters.
We can’t promise same-day service in Greenwich. Air duct cleaning is a scheduled job, typically a half-day per system, and we book ahead. What we can promise is a live trackable arrival window on the day of your booking, so you’re not stuck waiting through a four-hour window. Call (737) 727-2314 and we’ll get you scheduled with a precise time.
Because older Greenwich homes weren’t built with modern HVAC in mind. The ducts were retrofitted into walls framed for gravity heat, the runs are longer and tighter, and the basements hold more moisture. A 1920s colonial in Riverside with a stone cellar and a damp air handler needs different agitation, more careful negative-pressure setup, and a longer inspection than a 1998 colonial with clean flex runs. We quote by what we see in your house, not by a template.
Call Cardinal Air Duct Cleaning in Greenwich, CT
You’ll get a written price before any work starts, before-and-after photos of your own ducts, and a 365-day promise that covers every job. If the work isn’t right within a year, we come back and correct it at no charge. No asterisks. Call (737) 727-2314 for a free estimate.
Written by Omar Haddad, Owner at Cardinal Air Duct Cleaning, serving Greenwich, CT as part of the Relay Home Co. family.