The Best Insulation Contractors in PJS, NY

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

#1

All Island Group

4.8
(500 reviews)
Verified

A premier and highly reputable home performance contractor serving Long Island for decades. They offer a comprehensive suite of services from energy audits to high-performance insulation installations. They are a certified BPI (Building Performance Institute) contractor and are known for their expertise in solving complex home energy issues.

235 Central Ave, Bohemia, NY 11716

Specialties & Features

Energy efficiency audits
Spray foam insulation
Air sealing services

Business Information

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

Green Attic Insulation

4.7
(150 reviews)
Verified

A specialized insulation contractor with a strong focus on attic services and blown-in insulation. They have built an excellent reputation for attic restoration, insulation removal, and improving home energy efficiency. Their customer reviews consistently praise their attention to detail and clean work.

25 Miller Pl, Unit 307, Miller Place, NY 11764

Specialties & Features

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

Business Information

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

LI Foam & Spray Insulation Corp.

4.6
(80 reviews)
Verified

This company specializes specifically in spray foam applications, serving both residential and commercial clients across Long Island. They are experts in modern foam insulation techniques for walls, basements, and crawl spaces, and are well-versed in local building codes.

34 Oser Ave, Hauppauge, NY 11788

Specialties & Features

Spray foam insulation
Wall insulation services
Basement and crawl space insulation

Business Information

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

Why These Are the Top Insulation Contractors in PJS

The insulation market in PJS, NY, and the surrounding Suffolk County area is **highly competitive and professionalized**. The housing stock includes many older homes built before modern energy codes, creating strong demand for insulation upgrades. The market quality is generally high, with several contractors holding advanced certifications like BPI, which is crucial for homeowners seeking state and utility rebates (e.g., from NYSERDA). **Competition Level:** High. Homeowners have multiple reputable options, ranging from large full-service home performance companies to specialized insulation crews. **Typical Pricing:** Pricing is on the higher end compared to national averages, reflecting the high cost of living and business operations on Long Island. As a rough guide: * **Blown-in Cellulose/Fiberglass:** $1,500 - $4,500 for a standard attic. * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot, making a full attic job often range from $6,000 to $12,000+. * **Air Sealing & Audit:** A comprehensive BPI-guided audit with air sealing can cost $500 - $1,500, often applied as a discount to subsequent work. Providers in this market differentiate themselves through expertise in navigating NYSERDA incentives, knowledge of local code requirements for coastal areas, and a strong focus on whole-home energy solutions rather than just insulation installation.

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 PJS regulations and climate

Frequently Asked Questions About Insulation in PJS

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

1What are the most important types of insulation for homes in Port Jefferson Station, given our local climate?

For our cold winters and humid summers, a two-pronged approach is key. Air sealing and attic insulation (like blown-in cellulose or fiberglass) are top priorities to prevent heat loss and ice dams. For older homes, adding wall insulation and considering basement or crawl space encapsulation can combat moisture and drafts year-round, significantly improving comfort and energy efficiency.

2How much should I budget for a professional insulation upgrade in a typical PJS home?

Costs vary by home size and scope, but for a standard attic insulation project in Port Jefferson Station, homeowners can expect to invest between $1,500 and $3,500. Wall insulation or full-home air sealing will increase this. Always factor in potential rebates from NYSERDA (New York State Energy Research and Development Authority) and federal tax credits, which can offset 20-30% of project costs for qualified materials and labor.

3When is the best time of year to schedule insulation work in Suffolk County?

Fall is ideal, as it allows you to prepare your home for winter heating season. However, professional installers work year-round. Scheduling in late summer or early fall ensures better availability. Avoid the peak of winter if possible, as attic work can temporarily affect your home's heat retention, and summer heat can make attic installations challenging for crews.

4What should I look for when choosing an insulation contractor in the PJS area?

Prioritize contractors who are certified by the Building Performance Institute (BPI) and familiar with NYSERDA's EmPower+ and Home Performance programs. They understand New York's specific building codes and energy goals. Always verify they are fully insured, provide detailed written estimates that include air sealing, and check for strong local references and reviews from Long Island homeowners.

5I'm concerned about mold and moisture in my older home. How does insulation help or hurt this issue?

Properly installed insulation with integrated air sealing is a solution, not a cause. In our humid coastal climate, the goal is to control airflow and temperature to prevent condensation within walls. A qualified contractor will assess your home's vapor barriers and ventilation (especially in attics and crawl spaces) to ensure the insulation system manages moisture effectively, protecting your home's structure and indoor air quality.