The Best Insulation Contractors in Glastonbury, CT

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

#1

Koala Insulation of Hartford

4.9
(100 reviews)
Verified

A highly-rated, modern insulation company that emphasizes education and energy efficiency. They specialize in both residential and commercial projects, offering a wide array of insulation types including spray foam, blown-in, and batt. They are known for their detailed assessments and clear communication.

55 N Plains Industrial Rd, Wallingford, CT 06492 (Serves the Greater Hartford area, including Glastonbury)

Specialties & Features

Blown-in attic insulation
Spray foam insulation
Insulation removal and replacement

Business Information

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

Rich Insulation LLC

4.8
(150 reviews)
Verified

A family-owned and operated business with a strong focus on customer service and quality workmanship. They have extensive experience with various insulation materials and are well-versed in the energy efficiency needs of older Connecticut homes. They are a certified installer for certain brands and participate in local energy rebate programs.

75 John Downey Dr, New Britain, CT 06051 (Serves the entire central CT region, including Glastonbury)

Specialties & Features

Attic insulation installation
Basement and crawl space insulation
Air sealing services

Business Information

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

Mindful Insulation

4.7
(80 reviews)
Verified

A dedicated insulation contractor focusing on creating healthier, more comfortable, and energy-efficient homes. They emphasize a "building science" approach, ensuring that insulation and air sealing work together effectively. They are a good choice for homeowners interested in comprehensive energy audits and holistic home performance upgrades.

30 Prestige Park Cir, East Hartford, CT 06108 (Directly adjacent to Glastonbury)

Specialties & Features

Energy efficiency audits
Air sealing services
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Glastonbury

The insulation market in Glastonbury, CT, is competitive and service-oriented, reflecting the town's mix of historic and newer, high-end homes. Homeowners are generally knowledgeable and have a strong interest in improving energy efficiency due to Connecticut's high utility costs. The market is dominated by reputable regional contractors rather than large national chains, with a focus on quality and expertise. * **Average Quality:** The quality is high, with several providers holding certifications from organizations like the Building Performance Institute (BPI) and being approved contractors for state energy efficiency programs like Energize CT. * **Competition Level:** Moderate to high. There are several well-established companies vying for business, which benefits consumers through competitive pricing and a focus on customer service. * **Typical Pricing:** Pricing is in line with the higher cost of living in Connecticut. As a rough guide: * Attic Blown-In Insulation: $1,500 - $4,500 * Spray Foam Insulation (attic): $3,500 - $7,500+ * Wall Insulation (blown-in): $1,000 - $3,500 per wall * Whole-House Air Sealing & Insulation: $5,000 - $15,000+ It is highly recommended that homeowners obtain multiple quotes and inquire about available rebates and financing through Energize CT.

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 Glastonbury regulations and climate

Frequently Asked Questions About Insulation in Glastonbury

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

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

For our Connecticut climate with cold winters and humid summers, a combination of air sealing and attic insulation is most critical. We recommend achieving at least R-49 to R-60 in your attic with blown-in cellulose or fiberglass to retain heat in winter. Additionally, properly insulating and air sealing basement rim joists and crawl spaces is vital to prevent cold drafts and moisture issues common in our region.

2How much does insulation installation typically cost for a home in Glastonbury?

Costs vary by home size and scope, but for a standard attic insulation project in a 1,500 sq ft Glastonbury home, homeowners can expect to invest between $1,500 and $3,500. Regional material and labor rates apply, and the final price depends on the existing insulation levels, the material chosen, and the complexity of the air sealing needed. Many local providers offer free, detailed assessments to give you a precise quote.

3Are there any Connecticut or Glastonbury-specific rebates or incentives for upgrading my insulation?

Yes, Connecticut homeowners have excellent incentives. The Energize CT program, sponsored by the state’s utilities like Eversource, offers rebates for adding insulation that meets specific performance standards. Additionally, the federal tax credits for energy efficiency improvements can apply. A qualified Glastonbury insulation contractor will be familiar with these programs and can help you complete the necessary energy audit to qualify.

4When is the best time of year to have insulation installed in Glastonbury?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Connecticut, which is optimal for the work and allows you to prepare your home before the peak heating season. Scheduling during these shoulder seasons also helps you avoid the busy winter rush for insulation contractors.

5What should I look for when choosing an insulation contractor in the Glastonbury area?

Always verify that the contractor is licensed and insured in Connecticut. Look for established local companies with strong reviews and specific experience with older homes common in Glastonbury. They should perform a thorough energy assessment, provide a detailed written estimate, and clearly explain how their work complies with the International Residential Code (IRC) standards adopted by Connecticut, particularly for vapor barriers and required R-values.