Step OneRodent And Contamination Cleanup
Droppings, nesting, and bat guano removed under HEPA containment, then the deck is sanitized and deodorized before any new insulation goes down.

Rodent Cleanup, Insulation Removal And New Blown-In HEPA Containment • R-49 To R-60 • Energize CT Rebates
Eco-Friendly Solutions For Healthier Spaces
Reviewed by David Megeneishvili · Licensed & Insured In CT · IICRC AMRT + WRT
From the Willimantic mill village with its dense Victorian and mill-worker housing and shallow older attics to North Windham and Windham Center homes near the Shetucket and Willimantic River corridors, one crew handles cleanup, removal, air sealing, and new blown-in insulation to a code R-value across Windham.
Mouse droppings, urine, nesting material, and bat guano removed under HEPA containment. Affected surfaces sanitized and deodorized with EPA-registered products before any new insulation is installed, protecting indoor air quality and the crew.
HEPA containment · Sanitized deck
Contaminated, water-damaged, flattened, or undersized insulation removed by commercial insulation vacuum or bagged and hauled out. The attic deck is left clean and ready, with no contaminated material left to off-gas into the home.
Vacuum or bagged · Hauled away
Blown-in cellulose or fiberglass installed to a uniform depth that meets the Climate Zone 5 attic target of R-49 to R-60. Depth markers set and photographed so coverage is verifiable across the entire attic floor.
Code R-value · Depth verified

Top plates, wire and pipe penetrations, recessed lights, chases, and the attic hatch sealed before insulation goes down. Air sealing stops the stack-effect leakage that wastes energy and lets warm, moist air into the attic.
Entry points sealed with copper mesh, hardware cloth, and sealant so the cleaned and reinsulated attic stays pest free. Coordinated with a licensed pest operator when an active infestation is present before the attic is closed.
Roof leaks, bath fan ducts venting into the attic, and condensation on the deck identified and corrected as part of the scope. Surface mold on sheathing treated so the new insulation is installed over a dry, sound deck.
Reinsulate Your Windham Attic The Right Way. Clean It Out First.
Attic decontamination, insulation removal, air sealing, and new blown-in insulation to code R-value across Windham and Windham County.
Local housing stock, attic construction, and rodent pressure shape every cleanup and reinsulation scope.
Windham is anchored by the Willimantic mill village, where dense Victorian and mill-worker housing built around the thread-mill economy carries shallow older attics that were never insulated to any modern standard. Many of these thread-mill-era homes still have knob-and-tube wiring running through the attic, which has to be assessed and worked around carefully during any cleanup and reinsulation. The Willimantic and Shetucket River corridors add moisture pressure along the low ground, and the dense in-town neighborhoods see steady rodent activity into attics through roofline and soffit gaps. Cold eastern Connecticut winters make a deep attic R-value one of the highest-return upgrades on this stock. Across all of these conditions, the right sequence is the same: clean out the contamination, remove the failed insulation, air seal, and reinsulate to a code depth.
Windham sits in IECC Climate Zone 5, where the recommended attic level is R-49 to R-60. Cold eastern Connecticut winters favor the deeper end of that range, so bringing a shallow Willimantic mill-village attic or a North Windham home up to R-60, paired with air sealing, is one of the highest-return energy upgrades on these homes, and it qualifies for Energize CT Home Energy Solutions rebates on the new insulation.
Free On-Site Attic Assessment Across Windham County
Thousands of attics and homes cleaned, decontaminated, and reinsulated across Connecticut, New York, and Massachusetts, from single rodent cleanups to full removal and reinsulation to a code R-value.
Most attic cleanup and reinsulation projects finish in one to two days, with depth markers set and photographed so the finished R-value is verifiable.
Itemized scope, R-value details, and timestamped photos formatted for Energize CT Home Energy Solutions and HES-IE applications.
Top rated by the Better Business Bureau with verified five-star Google reviews across Connecticut.


Your Windham Attic Cleanup And Insulation Specialists Since 2017
Green Restoration provides professional attic cleanup, insulation removal, air sealing, and new blown-in insulation for homes across Windham and Windham County. Our restoration-grade process covers rodent decontamination under HEPA containment, removal of old or contaminated insulation, air sealing of the attic plane, and new insulation installed to the Climate Zone 5 target of R-49 to R-60. We document every phase clearly for Windham property owners and for Energize CT Home Energy Solutions rebate applications on the qualifying new insulation.
“As the local franchisee for Windham County, I bring 15+ years of IICRC-certified restoration experience, both AMRT and WRT, to every attic we work on. From shallow Willimantic mill-village attics with old knob-and-tube wiring to North Windham homes that need full decontamination and reinsulation, every job gets my direct oversight and the documentation your Energize CT rebate needs.”
Connecticut homeowners can apply Energize CT Home Energy Solutions rebates to new attic insulation and air sealing. We document eligible work so you can apply confidently.
Connecticut Energy Efficiency Fund · Eversource & UI
Statewide utility incentive that covers new attic insulation and air sealing after a Home Energy Solutions (HES) assessment. Standard rebates run up to $2.00 per square foot or 75 percent of cost, whichever is less, capped around $10,000 per home. Income-eligible households can use HES-IE to bring qualifying insulation to zero out of pocket.

A note on accuracy: the federal Energy Efficient Home Improvement Credit (IRS Section 25C) for insulation ended December 31, 2025 and does not apply to projects completed in 2026. The programs above are state and utility incentives that cover newly installed attic insulation and air sealing. They do not cover removal, cleanup, or decontamination of old or contaminated insulation, which is billed separately. Always confirm current eligibility and caps on the official program page before work begins.
Itemized scope, R-value details, and timestamped photos formatted for Energize CT Home Energy Solutions program applications. Verify current eligibility and caps before work begins.
The same restoration-grade sequence on every Windham attic: clean it out, remove the old material, air seal, and reinsulate to R-49 to R-60.
Attic decontamination, old insulation removal, air sealing, and new blown-in insulation to a code R-value for Windham homes. One crew, one project, with a free on-site assessment.
Green Restoration provides attic cleanup, insulation removal, and new blown-in insulation in Windham, CT, covering Willimantic, North Windham, South Windham, Windham Center, and Mansfield City. Crews arrive with HEPA containment, commercial insulation vacuums, and new blown-in material, so we move from inspection to cleanup and reinsulation without waiting on a return trip.
As a locally based company serving Windham County, we know these attics: shallow Willimantic mill-village attics on dense Victorian and mill-worker housing, thread-mill-era stock with knob-and-tube wiring to assess and work around, and in-town neighborhoods with steady rodent pressure through roofline and soffit gaps. Our crews clean it out, correct moisture along the river corridors, air seal, and reinsulate to a verifiable code depth.
Call for a free on-site attic assessment. We measure your R-value and deliver a written, fixed quote before any work begins.
(860) 222-9498IICRC Certified · Licensed & Insured · State Rebate Documentation
All Towns Served By Green Restoration Of Windham County, Based In Windham, For Attic Cleanup, Insulation Removal & Replacement.
Connecticut HIC HIC.0668405
Green Restoration of Windham County. Connecticut HIC HIC.0668405. We submit our scope of work and supporting documentation directly to your insurer. We are not licensed public adjusters and do not negotiate claims on your behalf.
Clear, honest answers about rodent cleanup, insulation removal and replacement, R-value, and Connecticut rebates for Windham attic projects.
Windham attic projects span a wide range because the town holds both accessible North Windham and Windham Center attics and shallow, complex Willimantic mill-village attics with legacy knob-and-tube wiring. As a general guide in this market, old insulation removal runs about $1 to $2 per square foot, and new blown-in insulation runs about $1.50 to $4.50 per square foot installed depending on the target depth. A full project that includes decontamination, removal, air sealing, and new insulation commonly lands between $3,500 and $11,000 depending on attic size, access, and contamination. Tight mill-worker attics with heavy rodent contamination drive the higher end. Every estimate is written and itemized, and Energize CT rebates reduce the new-insulation portion.
Windham sits in IECC Climate Zone 5, where the recommended attic insulation level is R-49 to R-60. Cold eastern Connecticut winters favor the deeper end, so we often target R-60 here. Many shallow Willimantic mill-village attics and older North Windham homes measure R-19 or less once the insulation has settled or been damaged. We measure the existing depth, then install new insulation to a uniform depth that reaches the R-49 to R-60 target, with depth markers set and photographed so the result is verifiable across the whole attic.
In most cases, yes. Windham's dense in-town neighborhoods, especially around Willimantic, take steady rodent pressure, and insulation contaminated with droppings and urine holds pathogens, allergens, and odor that move into the living space through attic air. It cannot be cleaned in place. We remove the contaminated insulation under HEPA containment, sanitize and deodorize the deck, seal the roofline and soffit entry points, and then install new insulation.
Windham homeowners can apply Energize CT Home Energy Solutions rebates to new attic insulation and air sealing, typically up to $2.00 per square foot or 75 percent of cost, whichever is less, capped around $10,000 per home. A Home Energy Solutions assessment is required first. Income-eligible households can qualify for up to 100 percent coverage through HES-IE. The rebates apply to the new insulation and air sealing, not to removal or decontamination. Confirm current amounts on energizect.com before work begins.
No. The federal Energy Efficient Home Improvement Credit for insulation, IRS Section 25C, ended on December 31, 2025 and does not apply to projects completed in 2026. Homeowners who completed qualifying work by the end of 2025 may still claim it on their 2025 return. For 2026 Windham projects, the savings come from Energize CT Home Energy Solutions on the new insulation.