The Best Insulation Contractors in Collinsville, CT

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

#1

Energy Solutions of CT

4.8
(180 reviews)
Verified

A highly-rated, full-service insulation and energy efficiency contractor serving the Farmington Valley, including Collinsville. They are recognized for their expertise in advanced air sealing and insulation techniques, often working in conjunction with state energy efficiency programs. Their strengths include a comprehensive approach to building performance and strong customer service.

15 Tower Office Park, Woburn, MA 01801 (Serves CT, including Collinsville)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Horizon Insulation Systems

4.7
(110 reviews)
Verified

A specialized contractor focusing on modern insulation solutions for both residential and commercial properties. They are known for their technical expertise in spray foam and blown-in applications, helping homeowners in the Collinsville area significantly reduce energy bills and improve comfort.

15 International Dr, Unit 4, East Granby, CT 06026

Specialties & Features

Spray foam insulation
Blown-in insulation
Crawl space insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Connecticut Cellulose

4.6
(90 reviews)
Verified

A reputable, long-standing contractor with a strong focus on dense-pack and blown-in insulation methods for existing walls and attics. They are a go-to provider for homeowners in older Collinsville homes looking to upgrade insulation without major renovations. They also handle insulation removal and air sealing.

99 Deming Rd, Berlin, CT 06037

Specialties & Features

Blown-in insulation
Wall insulation services
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Collinsville

** The insulation market in Collinsville, CT, is characterized by high-quality, specialized regional contractors rather than a high volume of local, single-city operators. The housing stock in Collinsville includes a significant number of historic and older homes, which drives demand for sophisticated insulation upgrades, air sealing, and energy audits. Competition is moderate but of a high caliber, with providers differentiating themselves through technical expertise, certifications (like BPI), and knowledge of state-specific rebates and incentives through programs like the Energize CT Home Energy Solutions service. Typical pricing is competitive with the broader Hartford metropolitan area, with projects ranging from $1,500-$3,000 for attic blow-in insulation to $5,000-$15,000+ for full-home spray foam applications and comprehensive air sealing. Homeowners are generally well-informed and seek out contractors who can deliver measurable improvements in home comfort and energy efficiency.

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 Collinsville regulations and climate

Frequently Asked Questions About Insulation in Collinsville

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

1What is the most cost-effective type of insulation for my older Collinsville home, considering our cold winters?

For many of Collinsville's historic homes, blown-in cellulose or fiberglass insulation in attics and wall cavities is often the most cost-effective solution. It provides excellent thermal performance for our Connecticut climate, where winter temperatures frequently drop below freezing, and can be installed with minimal disruption. The initial investment is typically recouped through significant savings on heating bills, especially when targeting air leaks common in older New England construction.

2When is the best time of year to schedule insulation work in Collinsville?

The ideal times are late spring (May-June) and early fall (September-October). These periods offer mild temperatures, allowing for proper installation of materials like spray foam, and are typically drier, which is crucial for preventing moisture issues in wall cavities. Scheduling during these shoulder seasons also helps you prepare your home for the peak heating season, ensuring maximum efficiency before winter arrives.

3Are there specific building codes or rebates in Connecticut I should know about before insulating?

Yes, Connecticut has adopted the International Residential Code (IRC), which specifies required R-values for different parts of your home. More importantly, the state-sponsored **Energize CT** program offers generous rebates and financing options for insulation upgrades, which can substantially lower your project cost. A local, certified contractor will be familiar with both the codes and the application process for these valuable incentives.

4How do I choose a reliable insulation contractor in the Collinsville area?

Look for contractors who are licensed and insured in Connecticut and have specific experience with homes in our region. Check for certifications from manufacturers (like Owens Corning) or industry groups (BPI). It's also wise to ask for local references in Collinsville or nearby towns like Canton to verify their work on similar home styles and their understanding of local climate challenges.

5My attic has old insulation that looks thin or matted. Is it necessary to remove it before adding new insulation?

In most cases, yes, especially if the existing insulation is vermiculite (which may contain asbestos), is wet/moldy, or is severely compacted and ineffective. A professional assessment is crucial. Proper removal ensures the new insulation performs at its stated R-value and prevents moisture or pest issues from being sealed in. This is a common need in Collinsville attics, where decades-old insulation often fails to meet modern energy standards.