The Best Insulation Contractors in East Hartford, CT

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

#1

Re-Energize Home Performance

4.8
(180 reviews)
Verified

A highly-rated, full-service home performance contractor specializing in comprehensive energy efficiency solutions. They are known for their professional energy audits and high-quality insulation installations, particularly spray foam and dense-pack cellulose. Their whole-house approach integrates air sealing with insulation for maximum effectiveness.

78 Gledhill Ave, East Hartford, CT 06108

Specialties & Features

Energy efficiency audits
Spray foam insulation
Air sealing services

Business Information

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

Connecticut Insulation Authority

4.7
(120 reviews)
Verified

A dedicated insulation contractor with a strong focus on both residential and commercial projects. They receive consistent praise for their expertise in blown-in cellulose and fiberglass insulation for attics and walls. They also handle insulation removal and replacement, making them a strong choice for older homes in need of upgrades.

15 Prospect St, East Hartford, CT 06108 (Suite 4)

Specialties & Features

Blown-in insulation installation
Attic insulation installation and upgrade
Insulation removal and replacement

Business Information

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

Airtight Solutions Home Performance

4.6
(90 reviews)
Verified

While based in the nearby suburb of South Windsor, this company is a top contender for East Hartford jobs due to their proximity and specialization. They excel in spray foam applications and basement/crawl space encapsulation, addressing the moisture and comfort issues common in Connecticut homes.

1735 Ellington Rd, South Windsor, CT 06074

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Air sealing services

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in East Hartford

** The insulation market in East Hartford is competitive and served by a mix of specialized insulation contractors and broader home performance companies. The average quality is high, driven by Connecticut's specific climate needs (cold winters, humid summers) and state-sponsored energy efficiency incentive programs like the Energize CT program. This encourages contractors to maintain high standards and obtain relevant certifications (e.g., BPI) to qualify for rebates. **Competition Level:** Moderate to High. Homeowners have several excellent local and regional options. The most successful companies differentiate themselves through specialized services like spray foam or comprehensive energy audits. **Typical Pricing:** Pricing is in line with regional averages. Attic blown-in insulation can range from $1,500 to $4,000+, while spray foam projects are more capital-intensive, often starting at $3,000 and exceeding $10,000 for whole-house applications. Wall insulation and basement encapsulation are also significant investments but offer substantial returns in comfort and energy savings. It is highly recommended that homeowners obtain multiple quotes and inquire about available Energize CT rebates, 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 East Hartford regulations and climate

Frequently Asked Questions About Insulation in East Hartford

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

1What is the best type of insulation for my older home in East Hartford, given our cold winters and humid summers?

For East Hartford's climate, which features significant temperature swings and high humidity, a combination of air sealing and dense-pack cellulose or spray foam insulation is often most effective for older homes. These materials provide excellent thermal resistance (R-value) and critically reduce air infiltration, which is a major source of heat loss in historic New England homes. Blown-in cellulose is particularly cost-effective and performs well in our region, while spray foam provides a superior air barrier in hard-to-reach areas like attic rafters or basement rim joists.

2How much should I budget for attic insulation in an average East Hartford home, and are there any local incentives?

For a standard 1,500 sq ft attic in East Hartford, upgrading to R-49 (the recommended level for our climate zone) with blown-in cellulose typically costs between $1,500 and $3,000, depending on existing conditions and material choice. Critically, Connecticut homeowners should explore the Energize CT program, which offers rebates and financing for insulation upgrades through local partners like Eversource and UI. These incentives can significantly offset your cost and improve your home's efficiency and comfort year-round.

3When is the ideal time of year to schedule insulation work in East Hartford?

While insulation can be installed year-round, the best times in East Hartford are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is ideal for attic work and allows for proper curing of certain materials like spray foam. Scheduling during these shoulder seasons also helps you avoid the peak summer heat for attic projects and ensures your home is fully prepared before the harsh Connecticut winter sets in, when contractor availability can be limited.

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

Always verify that the contractor is licensed and insured in Connecticut. Look for companies with specific experience in our region's housing stock, from historic colonials to mid-century ranches. A reputable provider should perform a thorough energy assessment (often using a blower door test) to identify air leaks before quoting. Check for their participation in the Energize CT Quality Installation program, which certifies they meet strict performance standards, and ask for local references in towns like Glastonbury or Manchester to confirm their reliability.

5My energy bills are high, but I'm not sure if I need more insulation or just air sealing. What's the priority for an East Hartford home?

In East Hartford, air sealing is almost always the first and most critical step. Our older homes are notoriously drafty, and sealing gaps around windows, doors, attic hatches, and rim joists stops conditioned air from escaping, which insulation alone cannot do. A professional energy audit will pinpoint these leaks. After proper air sealing, adding insulation to achieve the recommended R-values for our Climate Zone 5 (R-49 attic, R-15 walls) will then work at maximum efficiency, leading to substantial savings on both heating and cooling costs.