
Certified Air Duct Cleaning Guilford, CT
NADCA Source-Removal Cleaning, Coil Treatment & Dryer Vent Service. EPA-Registered Antimicrobials · Licensed & Insured
Eco-Friendly Solutions For Healthier Spaces
Reviewed by David Megeneishvili · Licensed & Insured In CT · IICRC AMRT + WRT
Conditions from the National Weather Service and Open-Meteo.
Complete Air Duct Cleaning In Guilford, CT
From NADCA source-removal HVAC cleaning to dryer vent service, coil treatment, and post-construction resets, every duct scenario handled across Guilford and the Connecticut shoreline.
Whole-Home HVAC Duct Cleaning
Across Guilford we perform NADCA ACR-2021 source-removal cleaning of every supply and return branch, plenum, trunk line, and register boot, using continuous rotary brush agitation.
NADCA ACR · Source-removal · Rotary brush
Dryer Vent Cleaning
Full dryer vent line cleaned from lint trap through flex duct and rigid run to exterior cap, including roof-vent and long-run installations common in Guilford Colonials, eliminating fire risk.
NFPA 211 · Lint removal · Efficiency restored
Air Handler And Coil Cleaning
We disassemble and clean the evaporator coil, blower compartment, and air handler interior, where Long Island Sound shoreline humidity in Guilford breeds mold that recirculates indoors.
Coil disassembly · Antimicrobial fogging

Additional Air Duct Services In Guilford
Post-Construction Duct Cleaning
Full ductwork reset after renovation, addition, or new construction, removing drywall dust, joint compound, and sawdust that accumulates during framing and finish work in Guilford homes.
HVAC Mold Remediation
In Guilford we deliver IICRC S520-2024 compliant remediation of duct and handler mold with negative-air containment, EPA-registered antimicrobial treatment, and third-party clearance verification.
HEPA Filtration And Negative-Air
Hospital-grade HEPA H13 filtration combined with negative-air containment captures 99.97% of particles at 0.3 microns at the source, prerequisite for any cleaning that meets the NADCA ACR-2021 standard in Guilford.
Rodent And Pest Decontamination
Ductwork decontamination after rodent intrusion, including droppings removal, carcass extraction, structural sanitization, and sealing of entry points to prevent recurrence in Guilford attics and crawl spaces.
Commercial HVAC Cleaning
Commercial-grade duct cleaning for office buildings, restaurants, medical facilities, and retail spaces in Guilford, with after-hours scheduling and full ASHRAE 62.1 compliance documentation.
Indoor Air Quality Testing
Pre- and post-cleaning indoor air quality testing with lab-analyzed particle counts, VOC screening, and ASTM D7338 mold spore sampling proves the HVAC cleaning actually improved the air you breathe.
UV Light And Sanitization Install
Professional installation of in-duct UV-C light systems and electrostatic filtration upgrades prevents microbial regrowth across coils and inside air handlers throughout the gaps between cleaning cycles.
Aeroseal Duct Sealing And Leak Reduction
Aeroseal aerosolized polymer sealant injected throughout the existing duct system seals joints, seams, and pinholes from inside, lowering conditioned air loss up to 40% per ANSI/UL 181 sealant listings.
Multi-Unit And Condo Dryer Vent Program
Bulk dryer vent cleaning for HOAs, condo associations, and multifamily property managers across Guilford, with per-unit NFPA 211 documentation, off-season scheduling, and one invoice for the building.
Cleaner Air In Your Guilford Home. Documented With Photos.
NADCA Source-Removal Cleaning, Coil Treatment, And Before-And-After Verification Photos On Every Job Across Guilford And The Connecticut Shoreline.
Why Choose Us In Guilford
NADCA ACR source-removal cleaning, HEPA-filtered collection, EPA-registered coil treatment, and on-camera before-and-after verification on every Guilford air duct job.
NADCA ACR Source-Removal
Every supply and return duct scrubbed under negative pressure with rotary brushes, never compressed-air-only shortcuts.
HEPA-Filtered Negative Air
Truck-mounted HEPA collection captures 99.97% of loosened debris at the main trunk instead of blowing it into your home.
Before And After Verification
Inspection camera footage inside every duct branch and the air handler, delivered as a digital file for your records.
EPA Antimicrobial Coil Treatment
Every cleaning closes with EPA-registered antimicrobial on the evaporator coil, critical in Guilford's coastal humidity.
What Dirty Ductwork Costs Your Guilford Home
Most Guilford homeowners don't think about their ductwork until allergies flare, energy bills climb, or a musty smell starts blowing out of the vents. Coastal humidity, older galvanized duct systems, and long supply runs in shoreline and Connecticut River valley homes make buildup compound fast.
Dust, Dander And Pollen Buildup
Recirculating Through Every Room
The average Guilford home cycles 40 pounds of dust through its ductwork every year. Without cleaning, it recirculates pet dander, pollen, and construction debris back into living spaces daily.
Mold Growth In Ducts And Coils
Long Island Sound Humidity Accelerates It
Coastal humidity condenses inside metal ductwork and on evaporator coils. Mold colonies grow on the inside of register boots and supply trunks, then aerosolize spores into every conditioned room.
Reduced HVAC Efficiency
Higher Bills, Shorter Equipment Life
A clogged duct system forces the blower motor to work harder, driving utility bills up 15 to 25% and cutting equipment lifespan in half. Clean ducts pay themselves back in the first two billing cycles.
Rodent And Insect Contamination
Droppings Aerosolize Through Supply Air
Guilford's historic colonials around the Guilford Green and shore estates on Mulberry Point and Sachems Head see seasonal rodent intrusion into attic ductwork. Droppings dry, pulverize in the airflow, and reach every bedroom through supply registers.
Post-Construction Debris
Drywall Dust, Sawdust, Joint Compound
After renovation or new construction, ductwork accumulates drywall dust and joint compound that blows into living spaces for months. NADCA ACR-2021 source-removal post-construction cleaning is the only full reset.
Dryer Vent Fire Hazard
Leading Cause Of Laundry Room Fires
Clogged dryer vents cause roughly 2,900 home fires in the US every year per the US Fire Administration. A full vent cleaning to the exterior cap takes under an hour and eliminates the risk.

Why Guilford Homes Need Professional Air Duct Cleaning
Guilford's Long Island Sound humidity, older HVAC systems in pre-war homes, and long supply runs in waterfront estates create duct conditions that surface cleaning cannot solve. NADCA source-removal with coil treatment is the only full reset.

NADCA ACR Standard Source-Removal Cleaning
Our Guilford crews follow the National Air Duct Cleaners Association ACR standard for source-removal, not surface-blow. Every duct branch is scrubbed under negative pressure with rotary brushes and HEPA vacuum collection, not just blown out with a leaf blower.
Full HVAC System Coverage, Not Just Registers
Most Guilford air duct calls start because a competitor only cleaned the visible register boots. We clean the supply trunk, return trunk, air handler, evaporator coil, blower compartment, and dryer vent so the entire system is decontaminated, not just the first six inches.
Coil Treatment And Antimicrobial Fogging
Every cleaning closes with EPA-registered antimicrobial treatment on the evaporator coil and inside the air handler. This is critical in Guilford homes where Long Island Sound humidity condenses on coils and mold returns within weeks without treatment.
Before-And-After Verification Photos
Every Guilford air duct job closes with before-and-after photos inside every accessed duct branch and the air handler. You see exactly what we removed, the file becomes part of your home records, and it documents the condition for any future home sale.
Why We Don't Offer $69 Air Duct Cleaning In Guilford
You've seen the ads. “Whole-house air duct cleaning, $69!” Those offers are bait-and-switch operations flagged by the BBB and the Connecticut Attorney General. The $69 gets a technician in your door with a shop-vac and a compressor hose. Once inside, “required” add-ons push the bill to $900 or more, for work that isn't actually to 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 states that any quote under $500 for a full residential system is almost certainly a bait-and-switch. If a Guilford homeowner is quoted $69 to $199 for whole-house cleaning, call (833) 833-3637 for an honest, itemized estimate instead.
What We Find In Guilford Air Ducts
From 1700s colonials around the Guilford Green to the Sachems Head shoreline and Long Island Sound salt-air humidity, Guilford homes drive heavy duct and coil buildup, and every job is done to the NADCA ACR-2021 source-removal standard with before and after photos.

Dryer Vent, Lint Cleared
In Guilford, historic colonials and shore estates run long, lint-prone dryer lines.
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 Guilford, CT
From the first call to final walkthrough, every step is documented, insured, and owner-supervised.

Air Duct Cleaning Coverage In Guilford, CT
Full service NADCA source-removal duct cleaning, dryer vent service, and indoor air quality treatment for Guilford homes and businesses across New Haven County and the Connecticut shoreline.
Green Restoration provides NADCA ACR-2021 source-removal air duct cleaning in Guilford, CT, serving neighborhoods including Sachems Head, Mulberry Point, Guilford Center, and Leetes Island from our New Haven office at 38 Crown Street. With direct access via I-95 and Route 1, our certified technicians arrive with HEPA-filtered rotary brush systems, negative-air collection equipment, and EPA-registered antimicrobial treatment. Most Guilford duct cleaning appointments are completed in a single visit with before-and-after documentation photos.
As a locally owned company dispatching from New Haven, we know the HVAC challenges Guilford shoreline properties face: Long Island Sound humidity condensing on evaporator coils, original galvanized duct systems in 1700s colonials around the historic Guilford Green and 1639 founding-era homes, mid-century shore cottages at Indian Hill and Leetes Island, and rodent intrusion into attic ductwork through wooded inland lots near North Guilford and Lake Quonnipaug. Our crews handle residential HVAC, commercial rooftop units, dryer vent cleaning, and post-construction duct resets under one visit.
Need Duct Cleaning In Guilford?
Schedule your inspection, 24/7 booking.
(833) 833-3637NADCA Standards · Licensed & Insured · All HVAC Systems
All Towns Served By Green Restoration From Our New Haven Office At 38 Crown Street For NADCA Air Duct Cleaning, Dryer Vent Service & Indoor Air Quality Treatment.
NADCA Air Duct Cleaning In Guilford, CT
Our crews follow NADCA ACR-2021 source-removal standard and dispatch from our New Haven office at 38 Crown Street, with most Guilford appointments booked the same week. Every visit includes a full HVAC inspection, source-removal cleaning, coil treatment, and before-and-after verification photos.
Residential and commercial HVAC systems cleaned across New Haven County since 2017, from 1700s colonials around the historic Guilford Green to multi-zone shoreline homes at Mulberry Point and Sachems Head.
Every cleaning follows the NADCA ACR source-removal standard with rotary brush agitation, HEPA-filtered negative air collection, and EPA-registered coil treatment, not compressed-air-only shortcuts.
Every Guilford job closes with before-and-after verification photos inside every duct branch and the air handler, delivered as a digital file for your home records or future home sale.
Top-rated by the Better Business Bureau for quality workmanship, transparent pricing & responsive communication on every project. Backed by 10 verified Google reviews on the New Haven Office GBP.

About Green Restoration In Guilford, CT

Your Local Air Duct Cleaning Specialists Since 2017
Green Restoration provides NADCA ACR-2021 source-removal HVAC duct cleaning, dryer vent service, coil treatment, and indoor air quality testing for homes & businesses in Guilford, CT. Our process uses rotary brush source-removal under negative pressure to fully decontaminate supply trunks, returns, air handlers, and register boots, not just the visible six inches. Every job closes with antimicrobial coil treatment and documented photos so you see the actual result.
“As the local co-owner for our New Haven office at 38 Crown Street, I bring 15+ years of IICRC-certified restoration experience, both AMRT for mold remediation and WRT for water restoration, and the full support of the Green Restoration network to every Guilford home and business. Every air duct job is personally overseen, follows NADCA ACR-2021 source-removal protocol, and closes with before-and-after verification photos so you see the actual result.”
Trusted by Families in Guilford &
New Haven County
4.8 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 Guilford, CT
Instant estimate for HVAC duct cleaning, dryer vent service, coil treatment, and indoor air quality testing in Guilford and the Connecticut shoreline. Transparent 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
Price drivers include total linear feet of ductwork, number of supply and return registers, HVAC system age and accessibility, and whether dryer vent cleaning is included (we include it free). All pricing aligns with NADCA ACR-2021 published ranges for proper source-removal cleaning.
See Your Own Guilford Estimate In 60 Seconds
Air Duct Cleaning FAQs
Clear, honest answers about NADCA cleaning, HVAC system service, dryer vent safety, and indoor air quality in Guilford, CT.
Air duct cleaning in Guilford starts at $1,299 to $2,000 per HVAC unit for a single-zone system following NADCA ACR-2021 source-removal standard. Multi-zone homes with 2+ HVAC systems run $2,500 to $4,000, and commercial spaces with kitchen exhaust included run $2,500 to $6,000. Dryer vent cleaning is free when bundled with air duct cleaning. Standalone dryer vent service starts at $249. Pricing depends on system size, duct length, accessibility, and whether mold remediation or antimicrobial treatment is needed. We provide a written estimate before any work begins.
Most single-zone Guilford HVAC cleaning takes 3 to 4 hours. Multi-zone systems or long-run ductwork in larger Sachems Head or Mulberry Point homes can take 5 to 7 hours. Dryer vent cleaning is typically under an hour when done as an add-on. The full cleaning is always finished in one visit.
The NADCA recommendation is every 3 to 5 years for most Guilford homes, with more frequent cleaning for households with pets, allergy sufferers, smokers, or recent construction. Homes near Long Island Sound often benefit from 3-year cycles because coastal humidity accelerates coil and duct contamination. Dryer vents should be cleaned annually to prevent fire risk.
In most cases air duct cleaning counts as routine upkeep that insurance will not pay for, yet HVAC mold remediation that follows a covered water loss, like a burst pipe or flood in a Guilford home, is usually covered. When the ductwork contamination traces back to a covered event, Green Restoration bills the carrier directly and supplies IICRC S520 documentation. For standalone maintenance cleanings, we offer financing instead.
Our crews rely on NADCA ACR-standard source-removal equipment, running rotary brushes through every duct branch while a HEPA-filtered negative-air collector pulls debris out at the main trunk. The cheaper compressed-air-only approach, sometimes called air-whip or air-sweep, leaves residue behind, whereas NADCA source-removal is the one method that reliably clears post-cleaning verification for Guilford properties.




