
Certified Air Duct Cleaning Sterling, CT
Air Duct And Dryer Vent Cleaning For Oneco And Sterling Hill NADCA Source-Removal, Before-And-After Photos On Every Job
Eco-Friendly Solutions For Healthier Spaces
Reviewed by David Megeneishvili · Licensed & Insured In CT · IICRC AMRT + WRT
Air quality from Open-Meteo. Temperature from the National Weather Service.
What Is NADCA ACR-2021 Air Duct Cleaning?
Air duct cleaning is the NADCA ACR-2021 documented process of returning an HVAC system to a verified level of cleanliness through source removal, holding the system under continuous negative pressure while rotary brushes, air whips, and contact vacuuming dislodge debris into HEPA-filtered collection equipment instead of pushing it through the building. The standard treats the entire system as the unit of work: supply and return ducts, registers, plenum, evaporator coil, drain pan, blower, and air handler housing, because a component left dirty recontaminates everything already cleaned.
In Sterling, CT, the visit runs in sequence: camera inspection of the supply and return runs, service access cut where the trunk has none, HEPA-filtered negative air connected at the main trunk, then branch-by-branch agitation worked back toward the collection unit. The air handler is opened last, and the evaporator coil, drain pan, and blower wheel are cleaned by hand. The dryer exhaust is a separate duct with its own lint load and its own fire risk, so it is cleaned and quoted separately.
- NADCA ACR-2021 source removal
- Continuous HEPA negative air
- Coil, drain pan, blower included
- Dryer vent lint removal
Why Sterling Systems Are Cleaned Differently
Duct cleaning carries no state license in Connecticut, New York, or Massachusetts, so the building and the method decide the job. Connecticut suburban stock built between the 1950s and the 1970s has the opposite problem: generous galvanized trunks in the basement, long branch runs out to bedroom registers, and a coil that has been in service far longer than the duct around it. Panned joist-bay returns are common in that era and cannot be cleaned without cutting proper access.
Green Restoration works to the ACR-2021 source-removal standard on every system, cleans the coil, drain pan, and blower as part of the job rather than as an add-on, and inspects each run on camera. ASHRAE 62.2 sets ventilation rates for dwellings and 62.1 for commercial buildings; neither is a cleaning standard, which is why ACR-2021 governs the work itself.
What air duct cleaning costs in Connecticut: our real 2026 price guideComplete Air Duct Cleaning In Sterling, CT
NADCA source-removal HVAC cleaning, dryer vent service, coil treatment, and post-construction resets, the full duct range covered across Sterling and the Moosup River corridor.
Whole-Home HVAC Duct Cleaning
Every supply and return branch, the plenum, each trunk line, and every register boot get NADCA ACR-2021 source-removal cleaning, rotary-brush agitation under continuous negative pressure, across the retrofit HVAC systems common in Sterling.
NADCA ACR · Source-removal · Rotary brush
Dryer Vent Cleaning
The dryer line is cleared start to finish, lint trap through flex duct and rigid run to the exterior cap, taking in the long rigid runs typical of Oneco mill-village duplexes and Sterling Hill farmhouse additions, which puts the fire risk to rest.
NFPA 211 · Lint removal · Efficiency restored
Air Handler And Coil Cleaning
The evaporator coil, blower compartment, and air handler interior are taken apart and cleaned, going after the mold that Moosup River valley humidity breeds inside and then recirculates through every conditioned room.
Coil disassembly · Antimicrobial fogging

Additional Air Duct Services In Sterling
Post-Construction Duct Cleaning
After a renovation, addition, or new build, the ductwork is reset in full, pulling out the drywall dust, joint compound, and sawdust that pile up during framing and finish work on Sterling Hill farmhouses and Oneco village projects.
HVAC Mold Remediation
Mold inside Sterling ductwork, coils, and air handlers is cleared to IICRC S520-2024 behind negative-air containment, with EPA-registered antimicrobial treatment and third-party clearance verification.
HEPA Filtration And Negative-Air
Right at the source, hospital-grade HEPA H13 filtration and negative-air containment pull 99.97% of particles at 0.3 microns, the prerequisite for any clean that satisfies the NADCA ACR-2021 standard.
Rodent And Pest Decontamination
Following a rodent intrusion, the ductwork is decontaminated end to end, droppings cleared, carcasses removed, structure sanitized, and entry points sealed, so it does not repeat in Sterling farmhouse cellars, balloon-framed walls, and crawl spaces.
Commercial HVAC Cleaning
Light-commercial duct cleaning covers Sterling village storefronts and the Route 14 and Route 49 corridor offices, shops, and small institutional buildings, scheduled after hours with full ASHRAE 62.1 compliance documentation.
Indoor Air Quality Testing
Before-and-after indoor air quality testing, lab-analyzed particle counts, VOC screening, and ASTM D7338 mold spore sampling, confirms the clean measurably improved the air inside.
UV Light And Sanitization Install
In-duct UV-C light systems and electrostatic filtration upgrades, professionally installed, keep microbial regrowth off the coils and out of the air handlers between scheduled cleanings.
Aeroseal Duct Sealing And Leak Reduction
Aeroseal aerosolized polymer sealant, injected into the existing duct lines, closes joints, seams, and pinholes from the inside and trims conditioned-air loss up to 40% per ANSI/UL 181 sealant listings.
Multi-Unit And Rural-Housing Dryer Vent Program
Bulk dryer vent cleaning for Oneco and Sterling Hill multifamily buildings and rural duplex blocks, with per-unit NFPA 211 documentation, off-season scheduling, and one invoice for the building.
Cleaner Air In Your Sterling Home. Documented With Photos.
Rotary-Brush Source-Removal, Coil Treatment, And Before-And-After Photos On Every Job Across Sterling And The Moosup River Corridor.
Why Choose Us In Sterling
Rotary-brush NADCA ACR source-removal, HEPA-filtered collection, EPA-registered coil treatment, and on-camera before-and-after proof on every Sterling job.
NADCA ACR Source-Removal
Every supply and return branch scrubbed under negative pressure with rotary brushes, no compressed-air-only shortcuts.
HEPA-Filtered Negative Air
Truck-mounted HEPA collection grabs 99.97% of loosened debris at the main trunk rather than blowing it back through your home.
Before And After Verification
Inspection-camera footage from inside every branch and the air handler, handed over as a digital file for your records.
EPA Antimicrobial Coil Treatment
Each clean closes with EPA-registered antimicrobial on the evaporator coil, which counts in the low-lying damp of the Moosup valley.
What Dirty Ductwork Costs Your Sterling Home
Most Sterling homeowners give the ductwork no thought until allergies flare, the energy bill jumps, or a musty draft starts coming off the vents. Damp Moosup valley air, retrofit HVAC in the Sterling Hill farmhouses, and long supply runs through unconditioned cellars all let buildup pile up quickly.
Dust, Dander And Pollen Buildup
Recirculating Through Every Room
A Sterling home pushes close to 40 pounds of dust through its ducts in a year. Left alone, that keeps cycling pet dander, wood-stove ash, pollen off the Moosup valley canopy, and rural farm-road grit back through the rooms every day.
Mold Growth In Ducts And Coils
Moosup Valley Humidity Accelerates It
Damp valley air off the Moosup River corridor condenses inside sheet-metal ducts and across evaporator coils. In the low-lying Sterling properties, colonies set up on register boots and supply trunks, then send spores through every conditioned room.
Reduced HVAC Efficiency
Higher Bills, Shorter Equipment Life
A choked duct run makes the blower labor, adding 15 to 25 percent to utility bills and cutting the equipment's life in half. In the long-supply-run retrofits of Sterling farmhouses, a clean system usually pays for itself within two billing cycles.
Rodent And Insect Contamination
Droppings Aerosolize Through Supply Air
Rodents work into the Oneco duplexes and Sterling Hill farmhouses through fieldstone foundation gaps that open onto wall cavities and ductwork. The droppings dry, break up in the airflow, and carry back through every supply register.
Post-Construction Debris
Drywall Dust, Sawdust, Joint Compound
Renovate a Sterling Hill farmhouse or add on to an Oneco village home, and the ducts fill with drywall dust and joint compound that keeps blowing into the rooms for months. A NADCA ACR-2021 source-removal post-construction clean is the only true reset.
Dryer Vent Fire Hazard
Leading Cause Of Laundry Room Fires
Blocked dryer vents set off roughly 2,900 US home fires a year by the US Fire Administration's count. On the long rigid runs threaded through unconditioned Sterling cellars, clearing the line to the exterior cap runs under an hour and ends the hazard.

Why Sterling Homes Need Professional Air Duct Cleaning
Sterling runs along the Moosup River on the Rhode Island line in eastern Windham County, built around the Oneco and Sterling Hill villages with the rural Ekonk Hill farmland stretching north. Damp off the valley corridor, retrofit HVAC in the Sterling Hill farmhouses, and long supply runs through unconditioned cellars set up duct conditions a surface wipe never fixes. NADCA source-removal paired with coil treatment is the only full reset.

NADCA ACR Standard Source-Removal Cleaning
Our Sterling crews hold to the National Air Duct Cleaners Association ACR source-removal standard, not a surface blow. Each branch is agitated with rotary brushes under negative pressure and pulled through HEPA vacuum collection, not chased out with a leaf blower.
Full HVAC System Coverage, Not Just Registers
Plenty of Sterling calls come in after a competitor wiped only the visible register boots. We take the supply trunk, return trunk, air handler, evaporator coil, blower compartment, and dryer vent, decontaminating the whole system rather than the first six inches.
Coil Treatment And Antimicrobial Fogging
We finish every clean with EPA-registered antimicrobial on the evaporator coil and inside the air handler. Near the Moosup River corridor it counts, because the low-lying valley damp keeps coils sweating and mold comes back within weeks if the surface is left untreated.
Before-And-After Verification Photos
Every Sterling job wraps with before-and-after images from inside each accessed branch and the air handler. You see precisely what came out, the file joins your home records, and it stands as documentation for any future sale.
Why We Don't Offer $69 Air Duct Cleaning In Sterling
You've seen the ads. “Whole-house air duct cleaning, $69!” Those offers are a bait-and-switch, and the number on the ad is not the number on the invoice. The $69 buys a technician at your door with a shop-vac and a compressor hose. Once he is inside, “required” add-ons run the bill up to $900 and beyond, for work that never actually meets the NADCA ACR-2021 standard.
What Happens On A $69 Job
- Shop-vac and compressor, no negative-air containment
- Mold "treatment" pressure-sell, $300+
- Coil cleaning suddenly $250 extra
- Sanitizer fogging pitched as "required," $200
- Final bill: $900 to $1,400, no photo verification
What You Pay For With Us
- Nikro HEPA negative-air equipment, not a shop-vac
- NADCA ACR-2021 source-removal on every register
- Before and after photos you keep
- Flat pricing from $1,299, no mid-job add-ons
- IICRC-certified technicians, insured, HIC.0668405
NADCA's own consumer advisory notes that any quote under $500 for a full residential system is almost certainly a bait-and-switch. If someone quotes a Sterling homeowner $69 to $199 for whole-house cleaning, call (860) 222-9498 for an honest, itemized estimate instead.
What We Find In Sterling Air Ducts
Out on the Rhode Island line, Sterling runs Oneco mill-village stock and Sterling Hill farmhouses across rural Moosup River acreage, where older ducts and damp valley air load the system fast, and every job here meets the NADCA ACR-2021 source-removal standard with before and after photos.

Dryer Vent, Lint Cleared
In Sterling, the Oneco duplexes run long dryer lines that keep packing with lint.
A flexible dryer duct slowly fills with lint until airflow is choked off. That restriction makes the dryer run hot and long, and a lint-packed run is a recognized fire hazard. Most homeowners never see it because the buildup sits inside the wall and roof run, out of sight behind the lint trap.
We clear the full run from the lint trap all the way to the exterior cap, working the line with a rotating brush and compressed air so the lint is pulled out rather than packed tighter. We check the transition hose, the wall and roof run, and the exterior flap, then confirm the cap opens freely under real airflow.
With the run cleared end to end, the dryer vents the way it is meant to, drying loads faster and reducing the fire risk a clogged line carries. We confirm airflow at the exterior cap before we leave and walk you through what we found and cleared.
Scenario 1 of 5: Dryer Vent Safety
Our Air Duct Cleaning Process In Sterling, CT
From the first call to final walkthrough, every step is documented, insured, and owner-supervised.

Air Duct Cleaning Coverage In Sterling, CT
Full service NADCA source-removal duct cleaning, dryer vent service, and indoor air quality treatment for Sterling homes and businesses across Windham County.
Green Restoration runs NADCA ACR-2021 source-removal air duct cleaning in Sterling, CT, reaching Sterling Hill, Oneco, Sterling City, and the Ekonk Hill area across Windham County. Working off Route 14 and the Route 49 corridor, crews arrive with HEPA-filtered rotary-brush rigs, negative-air collection gear, and EPA-registered antimicrobial treatment, and most Sterling jobs wrap in a single visit with before-and-after documentation.
As a David-owned franchise working Windham County, we know what a Sterling property throws at an HVAC system: damp off the Moosup River corridor settling on coils and growing mold in the supply trunks, dust and farm-road grit blowing down off the Ekonk Hill farmland, retrofit ducts threaded through Oneco mill-village stock and Sterling Hill farmhouses that hold decades of debris, long supply runs through unconditioned cellars near the river, and rodents finding their way into older attic ductwork. Our crews cover residential HVAC, light-commercial units, dryer vent cleaning, and post-construction resets in one visit.
Estimate Your Sterling Duct Cleaning Cost
Get a transparent NADCA-based price range in 60 seconds, no phone call required.
Need Duct Cleaning In Sterling?
Schedule your inspection, 24/7 booking.
(860) 222-9498NADCA Standards · Licensed & Insured · All HVAC Systems
All Towns Served By Green Restoration Of Windham County For NADCA Air Duct Cleaning, Dryer Vent Service & Indoor Air Quality Treatment.
NADCA Air Duct Cleaning In Sterling, CT
Our crews work the NADCA ACR-2021 source-removal standard, run out of Windham County, and book Sterling appointments the same week. Each visit takes in a full HVAC inspection, source-removal cleaning, coil treatment, and before-and-after photos.
Residential and light-commercial HVAC systems cleaned across Windham County, from single-zone retrofits up on the Ekonk Hill ridge to Moosup River corridor homes down near Sterling Hill.
Each clean holds to the NADCA ACR source-removal standard, rotary-brush agitation, HEPA-filtered negative-air collection, and EPA-registered coil treatment, never a compressed-air-only shortcut.
Every Sterling job wraps with before-and-after photos from inside each branch and the air handler, delivered as a digital file for your home records or a future sale.
Top-rated by the Better Business Bureau for workmanship, transparent pricing, and responsive communication on every Sterling project. Owner-led on each job across the rural villages.

About Green Restoration In Sterling, CT

Your Sterling Air Duct Cleaning Specialists Since 2014
Green Restoration runs NADCA ACR-2021 source-removal HVAC duct cleaning, dryer vent service, coil treatment, and indoor air quality testing for homes and businesses in Sterling, CT. The rotary-brush source-removal method works under negative pressure to decontaminate supply trunks, returns, air handlers, and register boots in full, not just the visible six inches. Each job closes with antimicrobial coil treatment and documented photos so the result is on record.
“As the local co-owner across Windham County, I have carried IICRC AMRT and WRT certification for more than 15 years, and I run every Sterling air duct job myself, on the NADCA ACR-2021 source-removal standard at each register and air handler. We log every step with before-and-after photos for your home records and back the work with HIC.0668405 and a BBB A+ rating.”
Trusted by Families in Sterling &
Windham County
4.9 out of 5, Rated by your neighbors on Google
We discovered mold when removing our pellet stove and called Green Restoration for help. David was very communicative and helpful throughout the entire process. He did the job thoroughly and professionally. Highly recommended!
David Woolner
Mold RemediationI had a fantastic experience with Green Restoration. From start to finish, the team was professional, thorough, and extremely knowledgeable. David came for the initial inspection and took the time to explain the entire process.
Annmarie Gieparda
Mold RemediationWe had mold due to a water leak in our half finished basement. David and his crew did a great job, we were very satisfied. I would highly recommend Green Restoration to anyone.
Tanya
Water DamageI needed my entire condo completely cleaned after a soot blow back. Green Restoration was top shelf! So thorough and professional. Thank you so much!
Jacki Hornish
Fire & Soot CleanupAir Duct Cleaning Cost In Sterling, CT
An instant estimate for HVAC duct cleaning, dryer vent service, coil treatment, and indoor air quality testing across Sterling and the Moosup River corridor. Clear pricing, no hidden fees.
Single HVAC Home
$1,299 to $2,000
per HVAC unit, NADCA ACR-2021 source-removal
Multi-Zone Home
$2,500 to $4,000
2+ HVAC systems
Commercial
$2,500 to $6,000
includes kitchen exhaust
What drives price is total linear feet of ductwork, the count of supply and return registers, HVAC age and access, and whether a dryer vent clean is in scope (we include it free). All of it tracks the NADCA ACR-2021 published ranges for proper source-removal cleaning.
See Your Own Sterling Estimate In 60 Seconds
How This Estimate Works
This tool gives you a planning figure built from typical jobs. It is not a quote and it is not a flat rate. Your price is confirmed in writing after we see the system.
- What moves it: the number of systems, how the equipment is reached, the condition of the ductwork, and whether access panels have to be cut.
- Work following fire, smoke, water, mold or sewage is scoped separately. It carries added filtration, containment and consumables, and it prices above the ranges shown.
- The written quote is the price. Nothing is scheduled or charged until you approve it.
Air Duct Cleaning FAQs
Clear, honest answers about NADCA cleaning, HVAC system service, dryer vent safety, and indoor air quality in Sterling, CT.
In Sterling a single-zone system runs $1,299 to $2,000 per HVAC unit under the NADCA ACR-2021 source-removal standard. Two or more zones move to $2,500 to $4,000, and light commercial lands at $2,500 to $6,000. A dryer vent clean is free bundled with the duct work, or $249 on its own. System size, duct length, access, and any mold remediation or antimicrobial treatment set the figure. Much of the Sterling range reflects retrofit forced-air systems in Oneco mill-village stock and Sterling Hill farmhouses along the Moosup River, where long runs through unconditioned cellars hold more debris than modern stock. A written estimate comes before any work.
A single-zone Sterling clean generally runs 3 to 4 hours. Multi-zone systems or the long retrofit runs in Oneco duplexes and Sterling Hill farmhouses along the Moosup River can stretch to 5 to 7 hours. A dryer vent add-on is usually under an hour. Either way, it all finishes in one visit.
NADCA points most Sterling homes to a 3-to-5-year cycle, tighter with pets, allergy sufferers, wood-stove heat, or recent construction. Homes down in the Moosup River corridor often want a 3-year interval, since the low-lying valley damp speeds coil and duct contamination, while the upland places on the Ekonk Hill ridge take on more dust and farm-road grit. Dryer vents want an annual clean to keep the fire risk down.
Routine duct cleaning reads as maintenance, and insurers generally will not pay for it. HVAC mold remediation after a covered water loss, a burst pipe or a Moosup River flood, usually is covered. When the contamination traces to a covered event, Green Restoration bills the carrier directly with IICRC S520 documentation; otherwise we can arrange financing for a scheduled maintenance clean. We are not licensed public adjusters and do not negotiate claims on your behalf.
We run NADCA ACR-standard source-removal, rotary brushes inside every branch backed by HEPA-filtered negative-air collection at the main trunk. On the retrofit ducts threaded through Oneco mill-village stock and Sterling Hill farmhouses that matters, because long runs through unconditioned cellars and older attics hold decades of debris. Compressed-air-only work, air-whip or air-sweep, is cheaper but leaves debris behind, and it is the method that fails post-cleaning visual verification. Source-removal is what passes.
Yes. A professional duct clean cuts the airborne particulates, dust mites, pet dander, wood-stove ash, pollen, and mold spores that keep cycling through a Sterling home's HVAC. The EPA and ASHRAE both treat HVAC cleaning as one piece of overall indoor air quality, strongest when it is paired with good filtration, MERV 13 or higher, and control of whatever feeds the contamination at the source.
A full dryer vent clean takes in the drum housing, the flex duct between dryer and wall, the whole rigid run through the house or cellar, and the exterior cap. The long rigid runs typical of Oneco mill-village duplexes and Sterling Hill farmhouse additions need the specialized rotary-rod systems we keep on every truck. On its own the service starts at $249 and runs under an hour; bundled with a duct clean it is free. NFPA 211 documentation follows every job, so Sterling owners hold records for the annual fire-safety check.
Green Restoration works to the NADCA ACR-2021 source-removal standard, is David-owned and locally run, and is set up for what Sterling properties present. From the retrofit galvanized ducts of Oneco mill-village stock and Sterling Hill farmhouses to the long-run HVAC of Moosup River corridor homes and Ekonk Hill ridge farmhouses around Sterling City and Sterling Center, every system gets the same protocol: HEPA-filtered collection, rotary-brush agitation, and EPA-registered coil treatment. Before-and-after photos, direct billing, and 24/7 scheduling at (860) 222-9498 mean cleaner, documented air from one call. HIC.0668405, Licensed and Insured In CT.
More Green Restoration Services in Sterling
The same local Green Restoration team covers all of these across Sterling. One number for every emergency and every cleanup.




