The Best Insulation Contractors in Greenport, NY

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

#1

Long Island Insulation

4.8
(180 reviews)
Verified

A leading provider of comprehensive insulation solutions across Long Island, including the North Fork. They are known for their expertise in high-performance spray foam and blown-in cellulose, often coupled with energy audits to maximize home efficiency. They are a certified ENERGY STAR partner.

1245 Main Road, Mattituck, NY 11952 (Serves Greenport)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Attic insulation installation and upgrade

Business Information

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

Green Attic Insulation

4.7
(120 reviews)
Verified

This company specializes in attic services but has expanded to offer full-home insulation solutions. They are highly rated for their insulation removal and replacement services, particularly for historic homes in areas like Greenport, and their strong focus on air sealing.

45 Front Street, Greenport, NY 11944

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Air sealing services

Business Information

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

North Fork Spray Foam & Insulation

4.6
(90 reviews)
Verified

A local contractor with a strong presence on the North Fork, specializing in modern insulation techniques. They are praised for their knowledge of local building codes and for helping homeowners navigate available rebates for energy-efficient upgrades.

2200 Sound Avenue, Aquebogue, NY 11931 (Serves Greenport)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Greenport

The insulation market in Greenport, NY, is characterized by a high demand for energy efficiency upgrades, driven by the village's mix of historic homes and newer constructions, as well as its proximity to the water which can lead to harsh weather conditions. The competition level is moderate, with a few highly-specialized local contractors and several larger Long Island companies extending their service areas to the North Fork. The average quality of service is high, as contractors must be well-versed in both modern energy standards and the preservation needs of older buildings. Typical pricing is at a premium compared to national averages, reflecting the high cost of living on Long Island. Full attic insulation with cellulose can range from $1,500 to $3,500, while spray foam projects typically start at $3,000 and can exceed $10,000 for whole-home applications. Many providers are knowledgeable about state and utility rebate programs, such as those from NYSERDA and PSEG Long Island, which can help offset costs.

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 Greenport regulations and climate

Frequently Asked Questions About Insulation in Greenport

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

1What is the best type of insulation for my Greenport home given our coastal climate?

For Greenport's humid, coastal climate with cold winters, spray foam insulation is often highly recommended for its superior air-sealing and moisture-resistant properties, especially in basements and crawl spaces to prevent mold. However, dense-packed cellulose or fiberglass batts in walls and attics are also effective and cost-efficient choices. A professional assessment is key, as older North Fork homes may have specific needs like insulating historic walls without damaging original materials.

2How much does insulation installation typically cost in Greenport, and are there any local incentives?

Costs vary widely based on home size and material, but a whole-house insulation project in Suffolk County can range from $3,000 to $10,000+. Local factors like older home construction and accessibility can increase prices. Homeowners should check for New York State incentives through NYSERDA's EmPower+ program and federal tax credits for energy efficiency, which can significantly offset the cost for qualifying installations.

3When is the best time of year to have insulation installed in Greenport?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for proper installation of materials like spray foam and for ventilating your home during the work. Scheduling during these shoulder seasons also avoids the peak summer demand from local contractors and the high humidity that can complicate certain installations.

4What should I look for when choosing an insulation contractor in Greenport?

Always choose a contractor licensed and insured to work in New York State. Look for local Greenport or North Fork companies with strong experience in older, coastal homes, as they understand local building codes and common issues like wind-driven moisture. Ask for references, verify they perform a thorough energy audit or assessment first, and ensure they are certified by manufacturers (like SPFA for spray foam) for the products they install.

5My older Greenport home is drafty. Will adding insulation alone solve my comfort issues?

Not entirely. Insulation resists heat flow, but air sealing is the critical first step to stop drafts from the coastal winds that infiltrate through gaps, seams, and old windows. A comprehensive approach that includes air sealing the attic, basement, and walls, followed by proper insulation, is essential for comfort and efficiency. This is especially true for historic homes where targeted air sealing can make a dramatic difference before adding bulk insulation.