Expert Long Island Insulation Contractor | #1 Rated Professional Services

Long Island's Most Trusted Insulation Specialists Since 2002 | Licensed & Insured | Free Estimates

Serving Nassau and Suffolk County homes and businesses with specialized insulation for ranches, colonials, cape homes, and commercial properties. Our certified team delivers energy-efficient insulation backed by 20+ years of regional expertise and thousands of successful NYC-area installations.

Call us (347) 200-5089

Long Island Insulation Contractor | Professional Services

As your Long Island insulation contractor, we understand coastal weather, older attic stock, and the heating/cooling load swings common across Nassau and Suffolk. From North Shore colonials to South Shore ranches and commercial spaces, we deliver customized insulation that improves comfort and cuts utility costs.

Explore our insulation services, contact page, and Bronx, Brooklyn, Queens, Manhattan, and Staten Island pages.

Premium Long Island Insulation Solutions:

Spray Foam

Excellent for rim joists, crawlspaces, and complex attic framing
Complete air-sealing and insulation in one application
Stops drafts common in older Long Island homes
High R-value per inch where space is tight

Cellulose

Eco-friendly recycled-content insulation
Ideal for attic blow-ins and retrofit walls
Fire-resistant and pest-deterrent properties
Cost-effective whole-home upgrades

Fiberglass

Trusted method for attics, walls, and new construction
Cost-effective for larger open cavities
Strong option for renovations and additions
Reliable performance in standard framing

Air Sealing

Find and seal attic bypasses, duct leaks, and envelope gaps
Reduces energy waste and uneven rooms
Improves comfort and indoor air quality
Essential companion to insulation upgrades

Sound Proofing

Reduce road, neighbor, and HVAC noise
Useful for home offices and media rooms
Multi-layer assemblies for stronger results
Residential and light commercial applications

Energy Efficiency

Home energy assessments and prioritized scopes
Utility rebate support (National Grid / applicable LI programs)
Con Edison guidance where territory overlaps
NYSERDA / state incentive awareness

Long Island Areas We Serve

Our Long Island insulation contractor services cover Nassau and Suffolk, including:

Nassau County — Great Neck, Hempstead, Freeport, Long Beach, Mineola
Suffolk County — Huntington, Babylon, Brookhaven, Islip, Smithtown
North Shore — attic and whole-home comfort upgrades
South Shore — moisture-aware air sealing and insulation
Western LI towns closest to NYC for fast scheduling

Ready to improve your Long Island property's comfort and efficiency?

Our local experts are ready to help. Contact us today for a free consultation and detailed estimate.

Schedule Your Free Long Island Consultation →

Long Island Insulation Rebates & Energy Incentives

Take advantage of local energy-saving programs:

National Grid Rebates

Up to $5,000 for qualified insulation projects
Additional incentives for air sealing measures
Free energy assessments for eligible properties
Special rates for multi-family buildings

Con Edison Programs

Energy efficiency rebates up to $4,000
Building envelope improvement incentives
Reduced rates for energy-efficient homes
Commercial property rebate programs

Additional Savings

NYS Home Performance Program benefits
Federal energy efficiency tax credits
Historic building preservation grants
Income-based assistance programs

Why Choose Our Long Island Insulation Services

As your dedicated Long Island insulation contractor, we offer:

Free on-site consultations and same-day estimates
Licensed and insured professionals
22+ years of NYC & Long Island experience
Familiar with colonial, ranch, and cape building stock
Local code awareness and clean job-site standards
Help navigating utility rebate paperwork

Get Your Free Insulation Assessment

Contact Long Island's trusted insulation experts today — (347) 200-5089

(347) 200-5089

Give Us A Call

(347) 200 5089

Send Us A Message

info@insulation.builders

Office Location

3701 Bedford Ave, Brooklyn, NY 11229

Insulation Builders provide Spray foam and building envelope seal solutions. Open and Closed cell systems, Waterproofing, Sound proofing solutions for Residential, commercial and industrial market

Quick Links

Useful Links

Insulation Builders of New York