The Best Insulation Contractors in GPO, NY

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

#1

All Island Energy

4.8
(200 reviews)
Verified

A leading Long Island-based insulation and energy efficiency contractor known for comprehensive home performance solutions. They are a Building Performance Institute (BPI) Certified firm, which underscores their commitment to whole-home energy auditing and air sealing. They are often recommended for handling complex projects and navigating local utility rebates.

55 Central Ave, Farmingdale, NY 11735 (Serves Nassau County, including GPO)

Specialties & Features

Energy Efficiency Audits
Spray Foam Insulation
Air Sealing Services

Business Information

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

Green Attic Insulation

4.7
(150 reviews)
Verified

Specializes primarily in attic services but offers a full suite of insulation solutions. They have a strong reputation for insulation removal and replacement, particularly for addressing mold, rodent debris, and outdated insulation in Long Island's attics. Their customer service and clear communication are frequently highlighted in reviews.

1157 Route 109, Lindenhurst, NY 11757 (Serves all of Long Island, including GPO)

Specialties & Features

Attic Insulation Installation and Upgrade
Insulation Removal and Replacement
Blown-In Insulation

Business Information

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

Four Seasons Insulation

4.6
(80 reviews)
Verified

A well-established local contractor with deep roots in the Nassau County community. They are known for their expertise in both residential and commercial insulation, including hard-to-treat areas like basement and crawl spaces. Their longevity and knowledge of local building codes make them a reliable choice for traditional insulation projects.

121 E 2nd St, Mineola, NY 11501 (Very close proximity to Garden City Park)

Specialties & Features

Basement and Crawl Space Insulation
Wall Insulation Services
Blown-In Cellulose

Business Information

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

Why These Are the Top Insulation Contractors in GPO

** The insulation market in Garden City Park and the broader Nassau County area is mature and service-oriented. The average quality of contractors is high, driven by an affluent and knowledgeable homeowner base, stringent New York State and local energy codes, and access to utility rebate programs (like those from PSEG Long Island). Competition is strong, pushing reputable companies to maintain high standards of certification (e.g., BPI), licensing, and customer service. Typical pricing is above the national average due to the high cost of living and business operations on Long Island. For example, a full attic blown-in insulation job can range from $1,500 to $4,500+, while spray foam applications can start at $2,500 and exceed $10,000 for whole-home solutions. Home energy audits typically cost between $400 and $600, often with rebates available. Customers are advised to obtain multiple quotes and verify a contractor's familiarity with local rebate programs to maximize cost savings.

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 GPO regulations and climate

Frequently Asked Questions About Insulation in GPO

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

1What is the typical cost range for attic insulation in a GPO home, and are there any local rebates?

For a typical 1,500 sq ft attic in the GPO area, adding blown-in cellulose or fiberglass insulation to achieve the recommended R-49 for our climate zone can range from $1,500 to $3,500, depending on material and accessibility. Homeowners should check for rebates from NYSERDA (New York State Energy Research and Development Authority), which often offers significant incentives for insulation upgrades that improve home energy efficiency, directly reducing your out-of-pocket cost.

2When is the best time of year to get insulation installed in GPO, and how long does it take?

The ideal times are late spring (May-June) and early fall (September-October) when attic temperatures are moderate, allowing for proper installation and material performance. Most projects, like attic or wall insulation, are completed in 1-2 days. Scheduling ahead of the harsh GPO winter is crucial, as contractors are busiest in late summer and fall preparing homes for the heating season.

3Are there specific insulation materials better suited for GPO's humid summers and cold winters?

Yes, managing both temperature extremes and moisture is key. Spray foam insulation provides a superior air seal and high R-value per inch, effectively blocking summer humidity and winter drafts. For a more budget-friendly option, dense-packed cellulose in walls offers excellent thermal performance and some moisture management. Proper attic ventilation, as per NY State building codes, is also critical to prevent moisture buildup with any material.

4How do I choose a reliable insulation contractor in the GPO area?

Always verify the contractor is licensed and insured to work in New York. Look for companies with specific experience in GPO's older home stock, as they'll understand common issues like knob-and-tube wiring or plaster walls. Check for NYSERDA-recognized installers and ask for local references. A reputable provider will perform a thorough energy audit or assessment before recommending a solution.

5My energy bills are high, but I'm not sure if my walls need insulation. How can I tell?

A clear sign in GPO homes is significant temperature differences between rooms or exterior walls that are cold to the touch in winter. Hiring a local professional for a thermal imaging scan is the most effective method to visualize heat loss through uninsulated walls. Many insulation contractors in the area offer this service, and it can be partially covered under a NYSERDA Home Performance Assessment, which identifies the most cost-effective upgrades for your specific house.