The Best Insulation Contractors in Bellport, NY

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

#1

All Weather Insulation Co.

4.8
(180 reviews)
Verified

A family-owned and operated leader in the Long Island insulation industry for over two decades. They are highly regarded for their comprehensive energy efficiency solutions, combining high-quality insulation installation with expert air sealing. They are a certified contractor for various rebate programs and are known for their professional crews and detailed assessments.

525 Middle Country Rd, Middle Island, NY 11953

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Suffolk Insulation Service Inc.

4.7
(130 reviews)
Verified

A well-established local contractor with a strong focus on both residential and commercial insulation. They receive consistent praise for their knowledge of local building codes and their effectiveness in handling complex insulation removal and replacement projects, particularly in attics and crawl spaces.

135 Lincoln Blvd, Suffolk, NY 11738

Specialties & Features

Insulation removal and replacement
Attic insulation installation
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Long Island Insulation

4.6
(90 reviews)
Verified

This provider specializes in modern blown-in and dense-pack insulation techniques, making them an excellent choice for upgrading existing wall cavities and attics without major structural changes. They are noted for their clean work and clear communication throughout the project lifecycle.

21 Mahan St, West Babylon, NY 11704

Specialties & Features

Blown-in insulation installation
Wall insulation services
Attic insulation upgrade

Business Information

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

Why These Are the Top Insulation Contractors in Bellport

** The insulation market in the Bellport and greater Suffolk County area is mature and competitive, characterized by a high standard of quality due to the region's specific climate challenges—cold, windy winters and humid summers. Homeowners are increasingly aware of energy efficiency, leading to strong demand for comprehensive services that include air sealing alongside insulation. The average quality of providers is good to high, with several long-standing, family-owned businesses dominating the top tier. Competition is robust, which benefits consumers through competitive pricing and a focus on customer service. However, it is crucial to select a licensed and insured contractor, as the market also has less reputable operators. Typical pricing is at a premium compared to national averages, reflecting the higher cost of living and business operations on Long Island. As a rough guide: * **Attic Blown-In Cellulose/Fiberglass:** $1,500 - $4,500 * **Spray Foam Insulation (Attic):** $3,500 - $7,500+ * **Wall Insulation (Blown-In):** $1,000 - $3,500 per wall * **Energy Audit:** $300 - $600 Many local providers are well-versed in rebate programs from NYSERDA (New York State Energy Research and Development Authority) and PSEG Long Island, which can significantly offset project costs for eligible homeowners.

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 Bellport regulations and climate

Frequently Asked Questions About Insulation in Bellport

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

1What are the most important insulation upgrades for Bellport homes given our local climate?

Given Bellport's humid summers and cold, windy winters on the South Shore of Long Island, the top priorities are air sealing and attic insulation. Proper air sealing prevents moist summer air from entering and condensing in wall cavities, which can cause mold. Upgrading attic insulation to at least R-49 (per NYS energy code recommendations) is critical for retaining heat in winter and blocking radiant heat in summer, directly combating our seasonal temperature extremes.

2How much does insulation installation typically cost for a Bellport homeowner?

Costs vary significantly based on home size, material (e.g., blown-in cellulose vs. spray foam), and the area being insulated. For a typical Bellport attic, homeowners can expect to invest between $1,500 to $4,500. It's important to note that Suffolk County and New York State offer various rebates and tax incentives (like those through NYSERDA) that can offset 20-30% of the project cost, making it a more affordable long-term investment.

3When is the best time of year to install insulation in Bellport?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather, which is safer for contractors working in attics and allows for proper curing of materials like spray foam. Scheduling during these shoulder seasons also ensures your home is fully prepared before the peak heating and cooling demands of our Long Island winter and summer arrive.

4What should I look for when choosing a local Bellport insulation contractor?

Always verify the contractor is licensed and insured to work in Suffolk County. Crucially, choose a provider who performs a thorough energy audit or assessment first, as this identifies specific air leaks and deficiencies unique to your older Bellport home. Look for contractors familiar with NYS building codes and who are partners with NYSERDA, as this ensures they can help you access available state and local financial incentives.

5My home is near the Great South Bay. Are there special insulation considerations for moisture or flooding?

Yes, Bellport's coastal location requires special attention to moisture. For basements or crawl spaces in flood zones, avoid traditional fiberglass batts that trap moisture and foster mold. Instead, consider closed-cell spray foam or rigid foam boards, which are more water-resistant. Always address drainage and vapor barriers first. Furthermore, any insulation work in the FEMA-designated floodplain may have specific code requirements, so your contractor must be aware of local Suffolk County regulations.