The Best Insulation Contractors in Manchester, CT

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

#1

GNH Insulation

4.8
(180 reviews)
Verified

A family-owned and operated leader in Connecticut's insulation industry for decades. They are widely recognized for their expertise in spray foam and cellulose insulation, and they place a strong emphasis on home performance and energy efficiency. They are a go-to contractor for addressing complex air sealing and insulation challenges in both new and existing homes.

45 W Dudley Town Rd, Bloomfield, CT 06002

Specialties & Features

Spray foam insulation
Blown-in cellulose
Energy efficiency audits

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Connecticut Insulation Pros

4.7
(120 reviews)
Verified

A highly-rated, modern contractor known for professional service and clear communication. They specialize in comprehensive attic insulation projects, including removal of old material and air sealing before installing new, high-performance insulation like blown-in fiberglass. They are well-versed in available rebate programs.

Serves Manchester and surrounding areas (Service-area based)

Specialties & Features

Attic insulation upgrades
Insulation removal
Air sealing services

Business Information

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

Koala Insulation of Central Connecticut

4.9
(90 reviews)
Verified

Part of a national brand with a strong local franchise, Koala brings a systematic approach to insulation services. They are known for their detailed free estimates and expertise in all major insulation types, including batts, blown-in, and spray foam. They strongly emphasize eco-friendly options and proper safety measures like asbestos testing before removal.

15 S Main St Unit 110, East Windsor, CT 06088

Specialties & Features

Insulation removal and replacement
Blown-in attic insulation
Basement and crawl space insulation

Business Information

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

Why These Are the Top Insulation Contractors in Manchester

** The insulation market in Manchester, Connecticut, is competitive and characterized by a mix of large, long-standing companies and newer, highly-specialized contractors. The quality of service is generally high, driven by Connecticut's specific climate needs—cold winters and humid summers—which make effective insulation and air sealing critical for comfort and energy savings. **Competition Level:** High. Homeowners have several excellent options, which helps keep pricing competitive. The most successful companies differentiate themselves through specialized expertise (e.g., spray foam application), superior customer service, and a strong focus on whole-home energy performance rather than just material installation. **Typical Pricing:** Costs vary significantly based on the project scope and material. * **Blown-in Attic Insulation:** A standard attic insulation upgrade typically ranges from **$1,500 to $3,500**. * **Spray Foam Insulation:** As a premium option, spray foam is more expensive. A full attic can cost **$4,500 to $8,000+**, but it offers superior R-value and air sealing. * **Wall Insulation:** Injecting insulation into existing walls can range from **$1,800 to $4,000** depending on the home's size and accessibility. Homeowners in Manchester are advised to seek multiple quotes and ensure contractors are properly licensed and insured. Many providers are knowledgeable about energy efficiency rebates available through the **Energize CT** program, which can significantly offset project costs. The presence of older housing stock in the area creates a consistent demand for insulation removal and replacement services.

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 Manchester regulations and climate

Frequently Asked Questions About Insulation in Manchester

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

1What is the recommended insulation level (R-Value) for attics in Manchester, CT homes?

For Manchester's humid continental climate with cold winters and warm summers, the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This is crucial for maintaining energy efficiency against our temperature extremes. Many older homes in the area have insulation levels well below this, so a professional assessment is the first step to determine your home's specific needs and potential energy savings.

2How much does attic insulation typically cost for a Manchester homeowner?

Costs vary based on home size, insulation material (like blown-in cellulose or fiberglass batts), and existing conditions, but Manchester homeowners can expect a typical attic insulation project to range from $1,500 to $3,500. It's important to get multiple itemized quotes from local contractors, as pricing can be influenced by regional material availability and labor rates. Remember, Connecticut offers various rebates and financing programs, like those from Energize CT, which can significantly offset this upfront cost.

3When is the best time of year to get insulation installed in Manchester?

While insulation can be installed year-round, the ideal times in Manchester are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows contractors more scheduling flexibility. Avoid the peak of winter, as ice dams and heavy snow can complicate access, and the height of summer, when attic temperatures become dangerously high for workers.

4Are there any local Manchester or Connecticut regulations I need to be aware of for insulation work?

Yes. In Connecticut, any contractor performing insulation work must be licensed by the Department of Consumer Protection. For Manchester specifically, if your home was built before 1980, you should have it checked for vermiculite insulation, which may contain asbestos, requiring special handling. Furthermore, all work should comply with the current Connecticut State Building Code, which includes specific air sealing and insulation standards to ensure safety and efficacy.

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

Prioritize contractors who are licensed, insured, and have strong local references. Look for companies experienced with Manchester's older housing stock and familiar with the specific challenges like managing ice dams in our winters. A reputable provider will perform a thorough energy audit or assessment first, explain your material options (such as moisture-resistant spray foam for basements), and clearly outline the work scope, including necessary air sealing, which is critical for our climate.