The Best Insulation Contractors in East Lyme, CT

Compare the highest-rated insulation professionals in East Lyme, Connecticut. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Koala Insulation of Southeastern Connecticut

4.9
(100 reviews)
Verified

A highly-rated, modern insulation company that emphasizes education and a wide range of services. They are known for their detailed energy assessments and expertise in both spray foam and blown-in insulation. They serve both residential and commercial properties throughout New London County.

165B River Rd, Montville, CT 06382 (This is their primary office, serving East Lyme)

Specialties & Features

Spray foam insulation
Blown-in insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Connecticut Energy Audits

4.8
(150 reviews)
Verified

This company takes a holistic, science-based approach to home performance. They are experts in comprehensive energy audits and air sealing, which they use to diagnose issues before recommending and installing the most effective insulation solutions, including dense-pack cellulose and spray foam.

40 Broadway, Norwich, CT 06360 (Serves the entire Southeastern CT region, including East Lyme)

Specialties & Features

Energy efficiency audits
Air sealing services
Wall insulation services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Enviro-Works Inc.

4.7
(80 reviews)
Verified

A well-established, full-service insulation and environmental contractor. They have a strong reputation for handling complex projects, including basement and crawl space encapsulation, attic insulation upgrades, and asbestos abatement, which is often a prerequisite for insulation replacement in older homes.

16 American Industrial Drive, New London, CT 06320 (Located very close to East Lyme)

Specialties & Features

Basement and crawl space insulation
Attic insulation installation
Insulation removal

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in East Lyme

** The insulation market in East Lyme, Connecticut, is characterized by a high demand for energy efficiency upgrades, driven by the town's mix of historic colonial homes and newer constructions, coupled with the state's high energy costs. The market is not oversaturated with large national chains; instead, it is dominated by a select number of established, high-quality local and regional contractors. This results in a competitive but professional environment where expertise and reputation are paramount. **Average Quality:** The average quality of service is high, with leading providers holding certifications from organizations like BPI (Building Performance Institute) and being accredited by manufacturers (e.g., Owens Corning, Demilec). There is a strong focus on building science and comprehensive air sealing alongside insulation. **Competition Level:** Moderate. There are a handful of top-tier providers (like those listed) and several smaller handyman operations. For specialized services like spray foam or full-home energy audits, the field narrows significantly to 2-3 dominant players in the region. **Typical Pricing:** Pricing is competitive with the New England average. As a rough guide: * **Blown-in Cellulose/Fiberglass Attic Insulation:** $1,500 - $4,000+ * **Spray Foam Insulation (Closed Cell):** $1.50 - $3.00+ per board foot * **Wall Insulation (Dense-Pack):** $1.50 - $4.00 per square foot of wall * **Comprehensive Energy Audit:** $400 - $800 Homeowners are advised to seek multiple quotes and inquire about available rebates from the Energize Connecticut program, which all reputable local providers are knowledgeable about and can help facilitate.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with East Lyme regulations and climate

Frequently Asked Questions About Insulation in East Lyme

Get answers to common questions about insulation services in East Lyme, Connecticut.

1What are the most important types of insulation for my East Lyme home given our local climate?

For our coastal Connecticut climate with cold winters and humid summers, a layered approach is key. We prioritize air sealing and attic insulation (typically blown-in cellulose or fiberglass to achieve R-49 to R-60) to prevent heat loss. For older homes, adding dense-pack cellulose or spray foam in wall cavities is highly effective for managing both temperature and the moisture prevalent in our area, improving comfort year-round.

2How much does insulation installation typically cost for a home in East Lyme, CT?

Costs vary significantly based on home size, insulation type, and scope, but East Lyme homeowners can expect a typical attic insulation project to range from $1,500 to $4,500. Whole-house projects involving walls and basements/crawlspaces can range from $5,000 to $15,000+. It's important to get itemized quotes, as Connecticut offers rebates and financing programs like the Energize CT Home Energy Solutions service which can substantially offset the upfront cost.

3When is the best time of year to install insulation in East Lyme?

While insulation can be installed year-round, the ideal periods are late spring (May-June) and early fall (September-October). These times typically offer mild, dry weather, which is optimal for attic work and allows for proper curing of certain materials like spray foam. Scheduling during these shoulder seasons also avoids the busy peak of summer and winter when contractors are in highest demand for emergency comfort issues.

4What should I look for when choosing an insulation contractor in New London County?

Always verify the contractor is licensed and insured in Connecticut. Look for established local companies with specific experience in East Lyme's older housing stock and knowledge of local building codes. Crucially, choose a contractor who performs a comprehensive energy audit (often through the Energize CT program) first, as this diagnostic step identifies the specific air leaks and deficiencies unique to your home, ensuring the insulation work is targeted and effective.

5My older East Lyme home feels drafty and has ice dams in winter. Will new insulation alone solve this?

Not alone. Ice dams are a classic sign of heat escaping through a poorly insulated and air-sealed attic, melting snow that refreezes at the eaves. The solution requires a two-step process: first, comprehensive air sealing of all attic bypasses (wiring holes, plumbing stacks, etc.), and *then* adding adequate insulation. This addresses the root cause, preventing the warm air from reaching the roof deck, which eliminates ice dams and stops drafts simultaneously.