The Best Insulation Contractors in Mineola, NY

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

#1

All Island Group

4.8
(250 reviews)
Verified

A highly reputable and long-standing Long Island contractor specializing in comprehensive home performance upgrades. They are a full-service provider offering energy audits, air sealing, and the full spectrum of insulation services, positioning them as experts in whole-home energy efficiency solutions.

175 Post Ave, Westbury, NY 11590 (Located immediately adjacent to Mineola)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Long Island Spray Foam Insulation

4.7
(80 reviews)
Verified

This company is a specialist contractor focused specifically on high-performance spray foam applications. Their focused expertise makes them a top choice for homeowners seeking the maximum air-sealing and R-value benefits of spray foam for attics, walls, and crawl spaces.

135 Pinelawn Rd Suite 240N, Melville, NY 11747 (Serves all of Long Island, including Nassau County)

Specialties & Features

Spray foam insulation
Crawl space insulation
Attic insulation installation and upgrade

Business Information

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

Green Home Energy

4.6
(150 reviews)
Verified

A dedicated energy efficiency company that strongly emphasizes insulation and air sealing as core services. They are well-versed in available rebates and incentives and often start with a diagnostic energy audit to inform their insulation and air sealing work, ensuring targeted and effective solutions.

350 Motor Parkway, Suite 305, Hauppauge, NY 11788 (Serves Nassau and Suffolk Counties)

Specialties & Features

Blown-in insulation installation
Insulation removal and replacement
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Mineola

** The insulation market in Mineola and the surrounding Nassau County area is robust and competitive, characterized by a high demand for energy efficiency upgrades. The housing stock is predominantly older, with many homes built before modern energy codes, creating a significant need for insulation retrofits. The average quality of service is high, as contractors must be licensed and insured to operate in New York State, and consumer review platforms hold companies to a high standard. Competition is strong among established, multi-service home performance companies (like All Island Group) and specialized niche contractors (like Long Island Spray Foam). Pricing is typically at a premium compared to national averages due to the region's high cost of living and labor, as well as the sophisticated expertise required. Homeowners should expect a significant investment, with projects ranging from \$2,000-\$5,000 for standard attic blown-in insulation to \$10,000+ for full-home spray foam applications. A key differentiator among top-tier providers is their knowledge of and ability to facilitate rebates from New York State programs like NYSERDA, which can substantially offset project 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 Mineola regulations and climate

Frequently Asked Questions About Insulation in Mineola

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

1What are the most important insulation upgrades for my older Mineola home to handle our local climate?

For Mineola's humid summers and cold winters, air sealing and attic insulation are the most critical upgrades. Many older homes here have significant air leaks and insufficient attic R-value. We recommend achieving at least R-49 in the attic with blown-in cellulose or fiberglass, which effectively manages temperature extremes and reduces humidity infiltration, a common issue in our region.

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

Costs vary by project scope, but a standard attic insulation upgrade to R-49 for a 1,500 sq ft home in Nassau County typically ranges from $1,800 to $3,500. It's important to get itemized quotes that include air sealing, as this is crucial for performance. Mineola homeowners should also inquire about available rebates from NYSERDA and potential tax credits, which can significantly offset the initial investment.

3When is the best time of year to install insulation in Mineola?

Insulation can be installed year-round, but the ideal periods are late spring (May-June) and early fall (September-October). These times offer mild temperatures in Mineola, making it easier for contractors to perform thorough air sealing and for materials like spray foam to cure properly. Scheduling during these shoulder seasons also avoids the peak summer demand and winter rush.

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

Always verify the contractor is licensed and insured to work in New York State. Look for companies with specific experience in Mineola's housing stock, such as updating early 20th-century homes. Crucially, ensure they perform a pre-installation energy audit or assessment and provide a detailed contract outlining the R-values, materials, and air sealing scope to comply with NYS building codes.

5Is adding insulation to my exterior walls worth it for a Mineola home, and how is it done?

For many older Mineola homes with uninsulated or poorly insulated wall cavities, it can be a highly effective upgrade for comfort and energy savings. The most common method is dense-pack cellulose or fiberglass blown into drilled holes, which is minimally invasive. Given our climate, this upgrade can drastically reduce heating costs from National Grid and cooling costs from LIPA, with a typical payback period of several years.