Compare the highest-rated insulation professionals in Port Jefferson, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, local contractor specializing in a full suite of insulation and energy efficiency services. They are known for their professional crews, clear communication, and expertise in both spray foam and blown-in cellulose. They emphasize home performance and work to maximize energy savings.
Energy King focuses heavily on the home energy audit process as the foundation for their insulation work. This data-driven approach ensures they address the root causes of energy loss. They are a certified BPI (Building Performance Institute) contractor, a mark of high expertise in building science.
A well-established company with a strong presence across Long Island. They offer a wide range of insulation solutions for both residential and commercial properties and are knowledgeable about local building codes and available rebate programs.
** The insulation market in and around Port Jefferson, NY, is characterized by a mix of older housing stock, particularly in the historic village center, and newer constructions. This creates a strong demand for both upgrade projects and new installations. The market is moderately competitive, with a handful of established, high-quality regional contractors dominating the space over smaller, less-specialized handymen. The average quality of service is high among the top-tier providers, as they must adhere to strict New York State energy codes and are often certified by organizations like BPI. Homeowners are generally knowledgeable and value energy efficiency due to the region's high heating costs. **Typical Pricing:** Pricing is at a premium compared to national averages, reflecting the high cost of living on Long Island. * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (Open Cell):** $2.50 - $5.00 per board foot * **Spray Foam Insulation (Closed Cell):** $4.00 - $7.50 per board foot * **Wall Insulation (Blown-In):** $1,000 - $3,500 per wall * **Energy Audit:** $400 - $800 Homeowners are advised to seek multiple quotes and inquire directly about New York State energy rebates and federal tax credits, which the top providers are typically well-versed in and can help facilitate.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Port Jefferson regulations and climate
Get answers to common questions about insulation services in Port Jefferson, New York.
Given Port Jefferson's humid summers and cold, windy winters on the North Shore, the top priorities are air sealing and attic insulation. Proper air sealing prevents moist summer air from causing condensation in walls, while upgrading attic insulation to at least R-49 (per NYS energy code) is critical for retaining heat against winter nor'easters. Basement and crawl space insulation are also highly recommended to combat ground chill and prevent frozen pipes.
Costs vary significantly based on home size, material (fiberglass, cellulose, or spray foam), and area treated, but local projects commonly range from $2,000 to $8,000. Attic insulation for a typical 1,500 sq ft home often falls between $1,800-$3,500. It's important to get itemized quotes, as Suffolk County's higher labor costs and the complexity of older homes can influence pricing. Many providers offer free, detailed assessments.
Yes, Port Jefferson homeowners should first explore the NYSERDA Home Performance with ENERGY STAR® program, which offers significant rebates and financing for comprehensive insulation and air sealing upgrades. Additionally, National Grid and PSEG Long Island offer their own rebate programs for specific insulation measures. A qualified local contractor will be familiar with these programs and can help you navigate the application process.
Always verify the contractor is licensed and insured in New York State. Look for specific experience with Long Island's older home stock and coastal building challenges. Choose a provider that conducts a thorough energy audit (often with a blower door test) to identify your home's specific air leakage points, rather than just quoting a generic insulation job. Check for strong local references and reviews regarding their cleanup and professionalism.
While insulation can be installed year-round, the ideal periods are late spring (May-June) and early fall (September-October). These seasons typically offer milder, drier weather, which is safer for contractors working in attics and allows for proper curing of materials like spray foam. Scheduling during these shoulder seasons also ensures your home is fully prepared before the peak heating and cooling demands of winter and summer arrive.