The Best Insulation Contractors in Brookhaven, NY

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

#1

Green Attic Insulation

4.8
(180 reviews)
Verified

A highly-rated, specialized contractor focusing heavily on comprehensive attic services, including insulation, air sealing, and ventilation. They are known for their detailed energy efficiency audits and expertise in leveraging rebate programs for homeowners.

150 Bi-County Blvd, Farmingdale, NY 11735 (Serves Brookhaven)

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Energy efficiency audits

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

LI Insulation Systems

4.7
(150 reviews)
Verified

A well-established, full-service insulation company with expertise in both residential and commercial projects. They are particularly recognized for their work with advanced spray foam and blown-in insulation systems for walls, basements, and crawl spaces.

125 Miller Pl, Unit 11, Farmingdale, NY 11735 (Serves Brookhaven)

Specialties & Features

Spray foam insulation
Blown-in insulation installation
Basement and crawl space insulation

Business Information

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

Clean Energy Experts, Inc.

4.6
(90 reviews)
Verified

This provider takes a holistic, whole-home approach to energy efficiency. Their services are deeply integrated, meaning insulation upgrades are always considered alongside comprehensive air sealing. They are experts in navigating local and utility-specific rebates and financing options.

211 S Fehr Way, Bay Shore, NY 11706 (Serves Brookhaven)

Specialties & Features

Insulation removal and replacement
Wall insulation services
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Brookhaven

** The insulation market in Brookhaven, NY, is robust and competitive, driven by the region's cold winters, warm humid summers, and high energy costs. Homeowners are increasingly seeking upgrades for comfort and cost savings. The average quality of service is high, with several established contractors holding relevant certifications (like BPI - Building Performance Institute) and being well-versed in New York State and Long Island Power Authority (LIPA) rebate programs. Competition is strong, which generally benefits the consumer through competitive pricing and a focus on customer service. Typical pricing varies significantly based on the project scope and material. For a standard attic blown-in cellulose job, homeowners might expect to pay **$1,500 - $4,500**. More complex projects involving spray foam, full attic encapsulation, or wall insulation can range from **$5,000 to $15,000+**. Reputable contractors almost universally provide free, detailed estimates and energy audits to determine the most cost-effective solutions.

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 Brookhaven regulations and climate

Frequently Asked Questions About Insulation in Brookhaven

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

1What are the most important insulation upgrades for homes in Brookhaven's climate, and why?

Given Brookhaven's humid summers and cold, windy winters, the most critical upgrades are air sealing and attic insulation. Proper air sealing prevents moisture-laden summer air from entering and condensing in wall cavities, a common issue in our coastal climate. Adding attic insulation to at least R-49 (as recommended for NY's Climate Zone 5) is crucial for retaining heat in winter and keeping conditioned air inside during summer, directly combating our seasonal temperature extremes.

2How much does insulation installation typically cost for a Brookhaven home, and are there any local incentives?

Costs vary by home size and material, but a typical attic insulation project in Brookhaven ranges from $1,500 to $4,500. Crucially, Brookhaven homeowners should first utilize NYSERDA's free or reduced-cost Home Energy Assessments, which can unlock significant rebates for insulation work. Additionally, federal tax credits for qualified insulation materials can cover 30% of the cost, up to $1,200 annually, making upgrades more affordable.

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

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for contractors to perform thorough air sealing and for materials like spray foam to cure properly. Scheduling during these shoulder seasons also ensures your home is prepared before Brookhaven's peak heating season begins, avoiding the contractor backlog common in late fall.

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

Always verify the contractor is licensed and insured to work in New York State and Brookhaven. Look for a company experienced with Long Island's specific building codes and climate challenges. A reputable provider should offer a detailed energy audit and explain how their solution meets or exceeds NYS building code requirements for our area. Check for membership in local associations like the Long Island Builders Institute (LIBI) as a sign of community commitment.

5My older Brookhaven home feels drafty. Is adding insulation enough, or is something else needed?

For older homes, especially those common in historic Brookhaven hamlets, insulation alone is often insufficient without comprehensive air sealing. Drafts indicate air leaks through gaps in the building envelope, which insulation cannot stop. A professional assessment will target areas like rim joists, around windows, and where utilities penetrate, which are major culprits. Addressing air infiltration first is essential to prevent moisture problems and maximize the new insulation's effectiveness.