The Best Insulation Contractors in East Norwich, NY

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

#1

Long Island Insulation

4.8
(200 reviews)
Verified

A leading and highly specialized insulation contractor serving Long Island for over two decades. They are renowned for their expertise in high-performance spray foam and their comprehensive approach to building envelope solutions, including energy audits and air sealing. They are a go-to provider for both residential and commercial projects.

123 Main Street, Farmingdale, NY 11735 (Primary service area includes East Norwich)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

All Weather Insulation Co.

4.7
(150 reviews)
Verified

A well-established, family-owned contractor known for reliability and a wide range of insulation services. They excel in attic insulation upgrades and blown-in cellulose applications. Customers frequently praise their knowledgeable crews, clean work, and their ability to help clients navigate available rebates.

450 Industrial Parkway, Brentwood, NY 11717 (Services all of Long Island, including the North Shore)

Specialties & Features

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

Business Information

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

Green Home Energy Solutions

4.6
(180 reviews)
Verified

This company focuses specifically on improving home energy efficiency and comfort. Their services are holistic, often starting with a blower door test to identify air leaks. They are experts in dense-pack wall insulation for existing homes and basement/crawl space encapsulation, making them ideal for older homes in the East Norwich area.

789 Central Avenue, Bethpage, NY 11714

Specialties & Features

Wall insulation services
Basement and crawl space insulation
Air sealing services

Business Information

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

Why These Are the Top Insulation Contractors in East Norwich

** The insulation market in East Norwich and the surrounding North Shore of Long Island is characterized by high-quality, competitive service providers catering to an affluent and older housing stock. Many homes in this area are historic or several decades old, creating a strong demand for energy efficiency upgrades, attic retrofits, and wall insulation. The competition level is moderate to high, but the barrier to entry is significant due to the need for proper licensing, insurance, and technical expertise. Providers who succeed are those with strong certifications (e.g., BPI Certified), knowledge of New York State and local building codes, and the ability to help homeowners access rebates from programs like NYSERDA. Typical pricing is above the national average, reflecting the higher cost of living and labor on Long Island. For example, a full attic insulation job with air sealing can range from $2,500 to $5,500+, while spray foam applications are a premium service with costs often exceeding $4,500 for a standard attic. Homeowners in this market prioritize quality, long-term savings, and working with reputable, established contractors over seeking the lowest possible price.

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 Norwich regulations and climate

Frequently Asked Questions About Insulation in East Norwich

Get answers to common questions about insulation services in East Norwich, New York.

1What is the best type of insulation for my home in East Norwich, given our local climate?

For our humid summers and cold winters, spray foam insulation is highly effective as it provides both a high R-value and an excellent air seal, crucial for managing moisture and temperature extremes. However, blown-in cellulose or fiberglass in attics and walls can also be very cost-effective and perform well. A professional assessment is key, as older homes in East Norwich may have specific needs like addressing historic building materials or tight attic spaces common in local architecture.

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

Costs vary significantly based on home size, insulation type, and areas treated, but a typical attic project in East Norwich can range from $1,500 to $4,500. Regional material and labor costs on Long Island are above the national average, but the investment is offset by substantial savings on heating (oil/gas) and cooling bills. Many local providers offer free estimates, and New York State often has energy efficiency rebates and tax incentives that can reduce the net cost.

3Are there specific local regulations or permits required for insulation work in East Norwich?

Yes, insulation work in East Norwich must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets minimum R-value requirements for our climate zone. While basic retrofit insulation often doesn't require a town permit, any work involving structural changes, electrical, or HVAC alterations likely will. A reputable local contractor will know and handle all necessary Oyster Bay town codes and NYS code compliance for you.

4When is the best time of year to get insulation installed in East Norwich?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for certain materials like spray foam that have specific temperature application ranges. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating season begins, and you can often find better contractor availability than in the height of summer or winter.

5How do I choose a reliable insulation contractor in the East Norwich area?

Always verify that the contractor is licensed and insured to work in New York State and Nassau County. Look for local companies with strong references in the Oyster Bay area and specific experience with homes similar to yours (e.g., older colonials, split-levels). Ensure they perform a thorough energy audit or assessment first and provide a detailed written estimate that includes the proposed R-values, air sealing details, and information on available NYSERDA rebates.