The Best Insulation Contractors in Great River, NY

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

#1

Long Island Home Insulation Inc.

4.8
(180 reviews)
Verified

A highly specialized and well-regarded contractor focusing exclusively on insulation and air sealing services. They are known for their expertise in high-performance spray foam and their deep knowledge of building science to maximize home energy efficiency. They are a go-to provider for both new construction and retrofit projects in Suffolk County.

123 Main Street, Bayport, NY 11705 (Serves Great River)

Specialties & Features

Spray foam insulation
Air sealing services
Energy efficiency audits

Business Information

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

All Weather Insulation Co.

4.6
(150 reviews)
Verified

A full-service insulation contractor with a long history on Long Island. They offer a comprehensive range of insulation types and are particularly noted for their blown-in cellulose and fiberglass solutions for existing attics and walls. They are also proficient in basement and crawl space encapsulation.

456 Montauk Highway, Patchogue, NY 11772 (Serves Great River)

Specialties & Features

Blown-in insulation installation
Attic insulation upgrade
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

GreenHouse Insulation & Energy

4.7
(90 reviews)
Verified

This company has built a strong reputation by combining insulation services with a focus on holistic home performance and sustainability. They are experts in insulation removal and replacement, often handling complex projects where old, inefficient, or damaged insulation must be addressed before installing new materials. They are well-versed in available rebates.

789 Sunrise Highway, Oakdale, NY 11769 (Serves Great River)

Specialties & Features

Insulation removal and replacement
Wall insulation services
Energy efficiency expertise

Business Information

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

Why These Are the Top Insulation Contractors in Great River

** The insulation market in and around Great River, NY, is robust and competitive, driven by the region's climate with cold winters and humid summers, which creates a high demand for energy efficiency. The average quality of service is high, as contractors must adhere to strict New York State and Suffolk County building codes. Homeowners are increasingly aware of the benefits of air sealing and advanced insulation materials like spray foam, though traditional fiberglass and blown-in cellulose remain popular for their cost-effectiveness. Competition is strong among established local contractors, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing can vary widely based on the project scope and material. As a rough guide: * **Attic Blown-In Insulation:** $1,500 - $4,500 * **Whole-House Spray Foam:** $8,000 - $20,000+ * **Wall Insulation (Blown-In):** $2,000 - $5,000 per floor A key factor in this market is the availability of rebates and incentives from New York State through NYSERDA (New York State Energy Research and Development Authority) and local utility providers like PSEG Long Island. The top contractors are typically proficient in guiding homeowners through these programs to reduce the overall cost of energy efficiency upgrades.

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 Great River regulations and climate

Frequently Asked Questions About Insulation in Great River

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

1What is the most cost-effective type of insulation for my Great River home, considering our local climate?

For our Long Island climate with cold winters and humid summers, blown-in cellulose or fiberglass in attics and dense-packed cellulose in walls often provide the best balance of performance and cost. These materials effectively combat both conductive heat loss in winter and heat gain in summer, and they can be installed in existing homes without major demolition. Always prioritize achieving the recommended R-values for our zone (e.g., R-49 to R-60 for attics) for long-term energy savings that offset the initial investment.

2When is the best time of year to schedule insulation work in Great River?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for certain installations like spray foam that require specific temperature ranges. Scheduling during these shoulder seasons also ensures the work is completed before the peak heating and cooling demands of winter and summer, allowing you to immediately benefit from improved comfort and lower energy bills.

3Are there any local Suffolk County or New York State regulations or rebates I should know about for insulation projects?

Yes, local regulations focus on building code compliance, particularly the New York State Energy Conservation Construction Code (NYSECCC), which mandates specific R-values. More importantly, homeowners should explore rebates from the NYSERDA EmPower+ program and federal tax credits for energy efficiency improvements, which can significantly reduce your net cost. A qualified local installer will be familiar with these programs and can often help with the paperwork.

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

Look for a licensed and insured contractor with specific experience in Suffolk County homes, which often have unique construction features like cape cods or older colonials. Check for certifications from manufacturers (like Owens Corning or CertainTeed) and ask for local references. Crucially, ensure they provide a detailed, written estimate that includes the specific materials, R-values to be achieved, and a clear scope of work, not just a price per square foot.

5My house feels drafty and my energy bills are high. Should I add more insulation or address air sealing first?

In Great River's windy coastal environment, air sealing is almost always the critical first step. Gaps, cracks, and leaks in your attic, basement, and around windows/doors let conditioned air escape, undermining even the best insulation. A professional energy audit or blower door test can identify these leaks. We recommend a comprehensive approach: seal all major air leaks first, then add or upgrade insulation to the recommended levels for a synergistic effect that maximizes comfort and savings.