The Best Insulation Contractors in Sea Cliff, NY

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

#1

All Island Group

4.8
(250 reviews)
Verified

A leading Long Island contractor specializing in comprehensive home performance upgrades. They are highly regarded for their energy audits and advanced insulation solutions, particularly spray foam and blown-in cellulose. They are a Building Performance Institute (BPI) accredited company, which is a key indicator of expertise in home energy efficiency.

75 Grand Avenue, Suite 104, Englewood, NJ 07631 (Note: While their office is in NJ, they are a major service provider for all of Long Island, including Sea Cliff)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

LI Insulation & Home Energy

4.7
(180 reviews)
Verified

A dedicated insulation contractor known for high-quality installation and a strong focus on customer service. They offer a wide range of insulation types and are experts in navigating local utility rebate programs (like PSEG Long Island) to help homeowners save money.

25 John Street, Huntington, NY 11743

Specialties & Features

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

Business Information

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

Green Attic Insulation

4.6
(90 reviews)
Verified

This provider focuses heavily on attic-specific services but also handles wall and basement insulation. They emphasize eco-friendly and sustainable insulation materials and methods. Their strong local presence and numerous positive reviews from Nassau County homeowners make them a trusted choice.

175 E 2nd Street, Mineola, NY 11501

Specialties & Features

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

Business Information

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

Why These Are the Top Insulation Contractors in Sea Cliff

The insulation market in Sea Cliff and the surrounding North Shore of Long Island is robust and competitive, characterized by a high demand for energy efficiency upgrades. The housing stock includes many historic and older homes (early to mid-20th century) that were built with little to no effective insulation, driving a significant need for retrofits. The average quality of service is high, as contractors must be well-versed in local building codes and the specific challenges of older home construction, such as managing moisture and preserving architectural integrity. Competition is strong among established, professional contractors, with a clear distinction between highly-rated, certified companies and smaller, less-specialized handyman services. Homeowners are generally knowledgeable and seek out providers with specific credentials like BPI certification. 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: * **Blown-In Cellulose/Fiberglass Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (Closed Cell):** $1.50 - $3.00+ per board foot (a full attic can range from $4,500 to $8,000+) * **Wall Insulation (Blown-In):** $1,000 - $3,500 per wall Many providers offer free energy audits and consultations, and they actively assist customers in applying for rebates from PSEG Long Island, which can substantially offset the project cost.

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 Sea Cliff regulations and climate

Frequently Asked Questions About Insulation in Sea Cliff

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

1What are the most important insulation upgrades for my older Sea Cliff home, considering our local climate?

For Sea Cliff's humid summers and cold, damp winters, the top priorities are air sealing and attic insulation. Many historic homes here have significant air leaks and inadequate attic R-values. Upgrading to spray foam or dense-packed cellulose in walls and achieving an attic R-value of R-49 to R-60 (per NYS energy code) will combat moisture-driven heat loss and improve comfort year-round by addressing our specific coastal temperature swings.

2How does living in a coastal village like Sea Cliff impact insulation choices and installation timing?

The proximity to Long Island Sound means higher humidity and salt air, making moisture-resistant materials like closed-cell spray foam particularly valuable for preventing mold and corrosion. For installation timing, late spring and early fall are ideal to avoid peak summer humidity and winter chill. Furthermore, working with a contractor experienced in Sea Cliff's historic district guidelines is crucial for any exterior modifications to homes in designated areas.

3What should I look for when choosing an insulation contractor in the North Shore/Nassau County area?

Always verify the contractor is licensed and insured in New York State. Crucially, choose a provider with extensive local experience who understands the construction of Sea Cliff's century-old homes and can navigate potential asbestos or lead paint concerns common in renovations. Ask for references from nearby projects and confirm they perform a pre-installation energy audit or blower door test to accurately diagnose your home's specific needs.

4Are there any local rebates or incentives for insulation upgrades in Sea Cliff?

Yes, homeowners should first utilize the free home energy assessments offered by NYSERDA (New York State Energy Research and Development Authority). Following the assessment and using a NYSERDA-approved contractor, you can qualify for significant rebates based on the projected energy savings. Additionally, check with PSEG Long Island for any utility-specific incentives, and remember that qualifying insulation improvements may also be eligible for federal energy efficiency tax credits.

5My house is always drafty in winter. Is adding insulation the only solution, and what is a typical cost range?

Insulation works in tandem with air sealing; sealing leaks around windows, doors, and penetrations is often the first and most cost-effective step. For a comprehensive attic and wall insulation upgrade in a Sea Cliff home, costs typically range from $4,000 to $12,000+, depending on home size, material (fiberglass batts vs. spray foam), and accessibility. The investment pays off quickly given our high local energy costs, with many homeowners seeing a 15-30% reduction in heating and cooling bills.