Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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.
Trusted Air Duct Repair for Stamford Homeowners
Losing airflow in one room, hearing a rattle every time the furnace kicks on, or finding a crushed run behind a finished ceiling: these are the duct problems that a cleaning job alone can’t fix. Air duct repair is where we separate ourselves from the crews who only clean. Our technicians have up to 14 years of experience, and they run professional Rotobrush and Nikro systems to clean a system and the tools to open it up, reseal it, and rebuild what’s failing. If you’re wondering whether damaged ductwork is behind the dust or the weak airflow in your home, call (855) 268-4131 and book a free estimate.
HVAC Duct Installation
HVAC Duct Installation is the work of running a new duct system for a home that never had one, an addition that needs its own supply and return, or a renovation where the old layout no longer fits the equipment. We step in when a room has never held a register, when an extension adds square footage the existing trunk can’t reach, or when a homeowner is moving from one type of system to another and the old ductwork can’t carry the new airflow. We size the runs, plan the branch layout, and set the system up so every room gets the air it needs at the register, not just at the plenum.
Typical installs in the Stamford area run $3,200 to $7,500 depending on the number of runs, the length of the trunk, and whether the work has to be routed through finished walls. Every job is quoted from a written estimate after we walk the house and see what the framing allows.
Planning the Run Layout
Where a duct ends up matters as much as its size. We map supply and return paths against the framing, the equipment location, and the rooms that need the most air, so a new run doesn’t fight the existing system.
Sealing and Balancing the New System
Fresh ductwork leaks at the joints if it isn’t sealed properly. We tape and mastic the seams, then balance the registers once the system is running so the rooms that needed help actually get it.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Replacement
Air Duct Replacement means removing failed or outdated ductwork and putting new runs in its place, usually when the existing system is too damaged or too far gone to repair in place. We recommend it when a section is crushed beyond patching, when the old duct is made of a material that has started to break down, or when repairs would cost nearly as much as a fresh install. A retrofit is often the cleaner answer for a Stamford home where the trunk line has been patched more than once.
Replacement work around Stamford generally runs $2,600 to $6,800, depending on how much duct has to come out and how accessible the runs are. A tight crawlspace or a chase behind a plaster wall changes the work and the number. We put the findings in writing before anything is removed.
When Patching Stops Making Sense
An isolated tear is a repair. A duct that has separated at multiple joints, collapsed in the middle, or lost its lining is a replacement. We show you the difference on camera so the decision isn’t a guess.
Removing the Old Duct
Taking out old ductwork means protecting the rooms around it, cutting carefully around framing, and hauling the material away clean. We treat the removal as part of the job, not an afterthought.
Ductwork Repair
Ductwork Repair covers the targeted fixes: sealing leaks, reconnecting separated joints, patching holes, straightening crushed flex runs, and re-insulating bare sections in unconditioned space. It’s the right call when the duct is mostly sound but a specific section has failed. Leaks at joints and seams send conditioned air into attics and basements instead of into rooms, and a run that has collapsed behind a ceiling can choke airflow to half a floor.
Most ductwork repair in Stamford runs $180 to $850 depending on how many leaks and joints we’re sealing and whether the work sits behind finished walls. Small jobs land at the low end; a system with several failures spread across the house pushes toward the top. Our technicians use professional Rotobrush and Nikro equipment alongside the Guardsman line of cleaning and treatment products to get the duct clean and sound in the same visit.
Locating Hidden Leaks
Most duct leaks aren’t visible from a register. We trace airflow through the system and inspect the runs in the attic, basement, or crawlspace where the loss is actually happening, then show you the gap before it gets sealed.
Sealing the Joints for Good
A sealed joint is mastic and mesh, not a piece of tape that peels off in a season. We seal the seams and connections we can reach so the fix holds through heating and cooling cycles.
Duct Replacement
Duct Replacement is the swap of a failed section or an entire run, sometimes with a different duct material than the original. It comes up when a section has rusted through, when the old flex has torn at the collar, or when a poorly sized run is starving a room and a straight replacement won’t fix it. We look at airflow and sizing before we replace, not just the break in front of us, so the new section doesn’t repeat the failure.
Duct replacement in Stamford typically costs $450 to $2,400 for a section, and more if the work involves a long trunk or a difficult route through a finished ceiling. The written estimate breaks down the section, the labor, and the sealing, and the final price is the number on that estimate.
Matching Material to the Space
Rigid metal, flex, and board each have a place. We match the material to where the duct runs, how tight the space is, and how much heat or cold the run will lose before it reaches the room.
Handling the Ductwork After the Swap
A new section pulls dust and debris from the surrounding system, so we clean the affected duct after installation. If you want the whole system cleaned alongside the repair, our team handles that too, and you can read more about it on the duct cleaning Stamford page.
Ductwork Installation
Ductwork Installation is building and fitting new ductwork where a system needs a fresh section, a relocated run, or a full replacement of an old layout. We handle it when a renovation moves the equipment, when an addition needs its own air, or when a homeowner is upgrading the system and the old layout won’t align with the new unit. Getting the trunk and branches sized right before the drywall goes up saves a costly correction later.
Installation pricing around Stamford runs $900 to $4,200 depending on the length of the new ductwork and how much framing is involved. We work through our written estimate so you see the layout, the material, and the price before the first cut.
Working Around the House
New ductwork has to thread through joists, ducts, and plumbing without fighting any of them. We plan the route before we touch the framing so the install goes in clean and nothing gets boxed in.
Coordinating With the Equipment
A fresh layout only works if the equipment can push the air through it. We check sizing against the blower and the room load so the new ductwork performs the way it should from day one.
Brands We Service
We install and work with Honeywell and Aprilaire air-quality products when a duct job needs filtration or humidity control added at the same time. A new filter cabinet or a humidifier tied into the return duct is a small addition while the system is open, and it’s a lot easier than coming back to it later. When a job involves extensive debris, mold concerns, or a recent renovation, we bring Abatement Technologies equipment for negative-air and HEPA-level containment so the surrounding rooms stay clean through the work. We also use the Guardsman line of cleaning and treatment products on cleaning and repair jobs, so the products going into the system are recognized name-brand solutions rather than off-brand chemicals.
The equipment in your home is likely a mix of systems installed across different decades. We look at the ductwork itself first, then the equipment it serves, and we don’t assume the brand on the label is the source of the problem. Whether you have Honeywell or any other make, we can help.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Rooms that won’t heat or cool. One room that stays cold no matter what the thermostat says usually points to a crushed or disconnected run feeding that room. It’s a duct problem, not a thermostat problem, and it gets worse the longer the system pushes air into a break.
- Dust that returns within days. When a freshly cleaned home fills back up with dust fast, the ductwork is often the source, leaking at joints or drawing air from a dirty attic or crawlspace. A system that isn’t sealed pulls from wherever it can.
- A musty smell when the system runs. Odor at the register is a clue that there’s moisture or debris sitting in the duct. Standing on the smell doesn’t fix it; the source has to be found and sealed or cleaned.
- Visible damage at a register. If you can see a torn liner, a collapsed flex section, or a gap where the duct meets the boot, the damage behind the wall is usually worse. Call before the system runs another season on a failing run.
- Rattling or whistling at the vents. A whistle means air is being forced through a gap or a duct that’s too small. A rattle means something is loose and rubbing, which wears the connection down over time.
Our Process, Step by Step
- 1
Walkthrough and camera inspection. We start by looking at the registers, the equipment, and the duct runs we can reach, then camera the duct to see what the surface doesn’t show. Everything we find goes into the scope, not into a sales pitch.
- 2
Written estimate before any work. You get a written estimate that spells out the repair, the price, and what’s included. The final price is the number on that estimate, agreed before work starts.
- 3
Cleaning and containment. For repair work, we clean the affected runs first so we’re sealing a clean duct, not trapping debris in the system. On jobs with heavy debris or mold concerns, we set up Abatement Technologies negative-air and HEPA containment to keep the surrounding rooms protected.
- 4
The repair itself. Our technicians reconnect joints, seal leaks, replace crushed sections, and re-insulate as needed. Where a whole section has failed, we remove and reinstall with the right material for the space.
- 5
Post-job air check and photos. We run the system, check airflow at the registers, and take before-and-after photos of the work so you can see exactly what was repaired. You get the photos after the job, not a promise that it looks fine.
How Much Does Air Duct Repair Cost in Stamford?
Air duct repair in Stamford typically runs $180 to $850 for targeted fixes and $2,600 to $6,800 for full replacement when a system is beyond repair. A single sealed leak or a reconnected joint sits at the low end. A repair that involves a crushed run behind a finished wall, several failures across the house, or a mix of repair and replacement moves into the mid or high range. The written estimate sets the final price, and the number on that estimate is what you pay.
What affects the price: how many leaks and joints need sealing, how accessible the duct is, whether the work is behind drywall or plaster, the material involved, and whether the repair is paired with a cleaning or an air-quality upgrade. A crawlspace job is easier than a chase behind a plaster wall, and that difference shows up in the number. What keeps the cost honest is knowing the scope up front, and that only happens with an inspection rather than a phone quote. A free estimate in Stamford includes a walkthrough, a camera look at the duct, a clear description of what we found, and a written price. We don’t do per-vent pricing, and we don’t quote a teaser number that changes once a tech is on site. If someone offers a coupon price over the phone without seeing the system, ask what happens to that price when the first duct is opened.
One flat price per system, agreed before work starts, is how we keep the final invoice matching the estimate. Call (855) 268-4131 for an exact quote. Estimates are free.
Our Service Area Near Stamford
We serve homeowners across Stamford and into the surrounding neighborhoods where ductwork in older homes tends to need attention. We also work with homeowners in Noroton Heights and Tokeneke, plus Glenville, Pemberwick, Saugatuck, Old Hill, Compo, Greens Farms, Coleytown, Tashua, and the area around Fairfield University. Response times depend on the day and the scope of the job, and a call outside dispatch hours gets booked into the next opening, Sunday through Friday, 7am to 7pm.
Serving Stamford, CT – Our Local Coverage Area
We serve Stamford and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
Frequently Asked Questions About Air Duct Repair in Stamford
Air duct repair is the work of finding and fixing the failures in a duct system: leaking joints, separated connections, crushed runs, holes, and damaged insulation. It’s different from cleaning, which removes debris but doesn’t seal or restore the duct. We do both, and if we find damage during a cleaning we fix it rather than handing you a referral.
Most targeted repairs finish in a few hours, and a larger replacement can take a full day or more depending on access. The estimate we write tells you how long we expect the job to run so you can plan around it. We don’t rush a repair that needs time to seal properly.
Targeted air duct repair in Stamford runs $180 to $850, and full replacement runs $2,600 to $6,800 depending on scope and access. The written estimate sets the final price, and you get it before any work starts. Call (855) 268-4131 for an exact quote. Estimates are free.
Yes. We install and work with Honeywell and Aprilaire air-quality products, and we can add filtration or humidity control while a duct repair is already open. That saves pulling the system apart a second time. If you have another brand, we can still help.
Same-day repair is available in many cases, and same-day requests go onto the schedule as quickly as the day allows. We answer 24/7, and fast dispatch runs from 7am to 7pm, Sunday through Friday. A call outside dispatch hours is booked into the next opening.
We stand behind the work we do, and we walk you through what the written estimate covers before we start. Before-and-after photos show you the repair that was completed on your system. If something about the work isn’t right, tell us and we’ll make it right.
Clear access to the furnace, the registers, and any attic or crawlspace hatch so the technician can reach the duct without moving furniture. Note where the problem shows up, like the room that stays cold or the register that whistles. If you have pets, put them somewhere calm before the crew arrives. The inspection is easier and the repair faster when the space is ready.
Schedule Your Air Duct Repair Service in Stamford Today
If airflow, dust, or odor is pointing to a problem in the ductwork, don’t wait for the next season to make it worse. Call (855) 268-4131 for a free estimate, and our technicians will inspect the system, show you what they find, and quote a fixed price before any work begins. We answer 24/7. Fast dispatch runs from 7am to 7pm, Sunday through Friday. Estimates are no-obligation, and the written price is the price you pay.
Written by the team at Duct Cleaning Stamford.