The Best Insulation Contractors in Port Washington, NY

Compare the highest-rated insulation professionals in Port Washington, 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 home performance and insulation contractor on Long Island, known for comprehensive energy efficiency solutions. They specialize in advanced diagnostic testing and a full suite of insulation services, from spray foam to blown-in cellulose, often leveraging available rebates.

75 Bloomingdale Rd, Hicksville, NY 11801

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Green Attic Insulation

4.9
(150 reviews)
Verified

Highly rated for attic-specific services and insulation removal. They emphasize improving home comfort and reducing energy bills through superior attic and wall insulation techniques, including dense-pack cellulose and fiberglass.

1155 Route 109, Lindenhurst, NY 11757

Specialties & Features

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

Business Information

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

A.M. Shield Insulation Corp.

4.7
(100 reviews)
Verified

A well-established, family-owned insulation contractor serving the Long Island area. They are recognized for their expertise in spray foam and their work on both residential and commercial properties, including basements and crawl spaces.

15 Baiting Place Rd, Farmingdale, NY 11735

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Port Washington

The insulation market in Port Washington, NY, is characterized by high-quality, specialized contractors primarily based in neighboring Nassau and Suffolk County towns who actively serve the North Shore peninsula. The competition is strong among a handful of established, reputable companies rather than a saturated market of many small operators. Homeowners in Port Washington typically own older homes that benefit significantly from modern air sealing and insulation upgrades, driving demand for comprehensive energy audits and high-performance materials like spray foam. The market is quality-focused, with customers prioritizing expertise and long-term energy savings over low cost. Typical pricing is at a premium relative to national averages, reflecting the high cost of living and the expertise required. Projects like a full attic insulation upgrade with air sealing can range from $3,000 to $8,000+, while spray foam applications are notably more expensive but offer superior R-value and air sealing properties. Most top-tier contractors are well-versed in local building codes and available rebate programs from NYSERDA and PSEG Long Island.

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 Port Washington regulations and climate

Frequently Asked Questions About Insulation in Port Washington

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

1What are the most important insulation upgrades for my Port Washington home given our local climate?

Given Port Washington's humid summers and cold, windy winters on the Long Island Sound, the top priorities are air sealing and attic insulation. Proper air sealing prevents moist summer air from entering and condensing in walls, while high R-value attic insulation (typically R-49 to R-60) is critical for retaining heat against Nor'easter winds. Basement and crawl space insulation are also highly recommended to combat ground chill and prevent frozen pipes.

2How much does insulation installation typically cost for a home in Port Washington?

Costs vary significantly based on home size, material (fiberglass, cellulose, or spray foam), and area insulated, but Port Washington homeowners can expect a typical attic insulation project to range from $1,500 to $4,500. Regional material and labor costs on Long Island are above the national average. It's crucial to get a detailed, in-person assessment, as many local providers offer free estimates to evaluate your specific needs.

3Are there any local rebates or incentives for insulation in Nassau County?

Yes, Port Washington residents should first explore rebates from PSEG Long Island, which often offers incentives for home energy assessments and insulation upgrades that meet specific performance standards. Additionally, New York State's Clean Heat program and federal tax credits for energy efficiency improvements can provide significant savings. Always verify current program details with your insulation contractor, as these incentives frequently update.

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

Choose a contractor licensed and insured to work in New York State, with specific experience in the coastal Long Island environment. They should perform a thorough energy audit before proposing a solution. Look for strong local references and membership in organizations like the Building Performance Institute (BPI), which indicates training in comprehensive air sealing and insulation techniques suited to our older home stock and climate.

5What is the best time of year to install insulation in Port Washington, and how disruptive is the process?

Insulation can be installed year-round, but fall is often ideal, preparing your home for winter while avoiding peak contractor busy seasons. The process is minimally disruptive for most projects like attic or basement work, often completed in a day. However, proper installation requires good ventilation, so milder fall and spring weather is advantageous. For wall insulation, interior disruption is greater, so scheduling during drier periods is best to manage indoor air quality.