The Best Insulation Contractors in Norwich, CT

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

#1

Supreme Insulation

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated insulation specialist serving Eastern Connecticut and Rhode Island. They are known for their expertise in modern spray foam and cellulose insulation, with a strong focus on improving home energy efficiency and comfort. They emphasize professional service and clear communication.

125 N Main St, Danielson, CT 06239 (Approx. 20 minutes from Norwich)

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Crawl space encapsulation

Business Information

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

Connecticut Insulation & Air Sealing

4.7
(110 reviews)
Verified

This company positions itself as an energy efficiency expert rather than just an installer. They perform comprehensive energy audits to diagnose issues and provide targeted solutions, including advanced air sealing and insulation services. They are well-versed in local utility rebate programs.

Services all of New London County, including Norwich (Office based in the region)

Specialties & Features

Energy efficiency audits
Air sealing services
Blown-in cellulose insulation

Business Information

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

EverDry Waterproofing & Insulation of Eastern CT

4.6
(90 reviews)
Verified

While known for basement waterproofing, EverDry has a strong specialization in insulating and conditioning below-grade spaces. They are an excellent choice for homeowners needing comprehensive basement or crawl space insulation, often dealing with moisture-related issues before installing insulation.

1007 Bridgeport Ave, Shelton, CT 06484 (Serves the Eastern CT region, including Norwich)

Specialties & Features

Basement insulation
Crawl space insulation
Insulation removal and replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Norwich

** The insulation market in Norwich, CT, and the surrounding New London County is moderately competitive, characterized by a mix of a few specialized local contractors and larger regional companies that service the area. The average quality of service is high, as contractors must adhere to strict New England building codes and are familiar with the specific climate challenges, such as managing humidity in summer and retaining heat in winter. Typical pricing is influenced by the high cost of materials (especially spray foam) and skilled labor. Homeowners can expect a wide range of costs: * **Blown-in Attic Insulation:** $1,500 - $4,500 * **Spray Foam (closed-cell) for a roof:** $6,000 - $12,000+ * **Wall Insulation (blown-in):** $2,000 - $5,000 * **Basement/Crawl Space:** $2,500 - $8,000 A key driver in the local market is the availability of energy efficiency rebates and financing through the **Energize Connecticut** program. The top providers are typically BPI (Building Performance Institute) certified or similar, which is often a prerequisite for homeowners to access these valuable incentives, making it a critical factor when choosing a contractor.

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 Norwich regulations and climate

Frequently Asked Questions About Insulation in Norwich

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

1What is the recommended R-value for attic insulation in a Norwich home, and why is it important for our climate?

For our cold Connecticut climate, the U.S. Department of Energy recommends an attic insulation R-value of R-49 to R-60. This high level of insulation is crucial in Norwich to combat our harsh winters, significantly reducing heat loss through the roof, lowering heating bills, and preventing ice dams. Properly meeting this target ensures your home stays comfortable year-round and your HVAC system doesn't overwork.

2Are there any local or state-specific rebates or incentives for upgrading insulation in Norwich?

Yes, Norwich homeowners should explore the Energize Connecticut Home Energy Solutions program, which offers incentives and financing for insulation upgrades. Additionally, the state of Connecticut has sales tax exemptions for certain energy-efficient home improvements. It's highly recommended to check with your insulation contractor or Eversource, the local utility, for the most current program details and eligibility requirements.

3When is the best time of year to have insulation installed in my Norwich home?

While insulation can be installed year-round, late summer and early fall (August-October) are often ideal in Norwich. This timing allows for the project to be completed before the peak winter heating season begins, ensuring your home is sealed and efficient when you need it most. Scheduling during this period also typically avoids contractor backlogs common in late fall.

4How do I choose a reputable insulation contractor in the Norwich area?

Look for a licensed and insured contractor with specific experience in New England homes. Check for strong local references and reviews, and verify they perform a thorough energy audit or assessment before proposing work. A reputable Norwich-area contractor will be familiar with local building codes, proper ventilation for our humid summers, and the specific challenges of insulating older homes common in the region.

5My older Norwich home feels drafty. Is adding insulation to the walls a major, disruptive renovation?

Not necessarily. For many existing homes, especially those with hollow wall cavities, contractors can use minimally invasive techniques like dense-pack cellulose or blown-in fiberglass insulation. This is installed through small holes drilled in the exterior siding or interior walls, which are then meticulously patched. This process causes significantly less disruption than a full renovation and is very effective at stopping drafts and improving comfort in our climate.