The Best Insulation Contractors in Stonington, CT

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

#1

Standard Insulation Company, Inc.

4.8
(100 reviews)
Verified

A family-owned and operated business with decades of experience, specializing in a comprehensive range of insulation services. They are highly regarded for their expertise in both residential and commercial projects, with a strong focus on spray foam and blown-in cellulose. They are known for their professional crews, thorough energy audits, and knowledge of local utility rebates.

125B Shaw Cove, New London, CT 06320 (Serves Stonington)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes
#2

Connecticut Basement Systems

4.7
(150 reviews)
Verified

While their name highlights basements, this provider offers a full suite of insulation and air sealing services for the entire home, including attics, walls, and crawl spaces. They are part of a nationally recognized franchise network, ensuring standardized training and procedures. They excel at solving moisture-related issues and creating dry, energy-efficient, and healthy basements and crawl spaces.

10 Braceland Rd, Rocky Hill, CT 06067 (Serves statewide, including Stonington)

Specialties & Features

Basement and crawl space insulation
Insulation removal and replacement
Air sealing services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Dr. Energy Saver - Southern New England

4.6
(80 reviews)
Verified

As the name implies, this contractor specializes in comprehensive home energy solutions. They start with a detailed energy audit to diagnose a home's specific issues and then provide targeted solutions, including advanced air sealing and insulation upgrades. They are experts in retrofitting older homes common in New England for maximum efficiency and comfort.

160 Old Colchester Rd, Quaker Hill, CT 06375 (Serves Stonington and surrounding areas)

Specialties & Features

Energy efficiency audits
Air sealing services
Attic insulation installation and upgrade

Business Information

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

Why These Are the Top Insulation Contractors in Stonington

The insulation market in Stonington, CT, is characterized by a high demand for energy efficiency upgrades, driven by the town's mix of historic colonial homes and newer constructions. Homeowners are increasingly aware of the benefits of modern insulation materials and techniques to combat New England's harsh winters and humid summers. The competition level is moderate, with a few highly reputable regional players dominating the market, as purely local Stonington-based specialists are limited. Typical pricing is in line with regional averages; a basic attic blow-in with cellulose can range from $1,500 to $3,500, while a full spray foam application in an attic or basement can cost $5,000 to $15,000 or more, depending on the R-value and square footage. There is a strong emphasis on services that address moisture control and air sealing in conjunction with insulation, given the coastal climate. Many providers are well-versed in available rebate programs from utilities like Eversource, which can significantly offset project costs.

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 Stonington regulations and climate

Frequently Asked Questions About Insulation in Stonington

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

1What are the most important types of insulation for my Stonington home, considering our coastal climate?

For Stonington's humid, coastal climate with cold winters, moisture resistance is key. We highly recommend spray foam insulation for its superior air sealing and moisture barrier properties, especially in basements and crawl spaces prone to dampness. For attics, a combination of air sealing with spray foam and blown-in cellulose or fiberglass is very effective at managing temperature and preventing moisture-related issues like mold.

2How does the timing of insulation work in Southeastern CT, and is there a best season for installation?

While insulation can be installed year-round, late spring and early fall are ideal in Stonington. This avoids the peak summer humidity that can complicate certain installations and the deep winter cold that makes attic work uncomfortable. Scheduling during these shoulder seasons also ensures your home is fully prepared for both summer cooling and winter heating efficiency, aligning with our distinct seasonal shifts.

3Are there any local or state-specific rebates or incentives for insulating my Connecticut home? **Question:** Are there any local or state-specific rebates or incentives for insulating my Connecticut home?

Yes, Connecticut homeowners should first explore the Energize CT Home Energy Solutions program, which offers subsidized energy assessments and rebates for recommended insulation upgrades. Additionally, Eversource and UI provide direct rebates for adding insulation to attics and basements. We always recommend checking the latest programs, as incentives can change and may cover a significant portion of the project cost.

4What should I look for when choosing an insulation contractor in the Stonington area?

Prioritize contractors who are licensed and insured in Connecticut and have specific experience with older homes common in Stonington's historic districts. Look for certifications like Building Performance Institute (BPI) accreditation, which indicates expertise in comprehensive air sealing. Always ask for local references and ensure they perform a pre-installation energy assessment to identify your home's specific needs.

5My older Stonington home is drafty. Will adding insulation alone solve my comfort issues?

For historic homes, insulation is only part of the solution. Air sealing is the critical first step, as gaps in old framing, windows, and sill plates are major sources of drafts and energy loss. A professional assessment will target these leaks before adding insulation. This comprehensive approach is essential for comfort and efficiency, and it must be done carefully to avoid trapping moisture within the walls, a common concern in our climate.