Compare the highest-rated insulation professionals in Glenwood Landing, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated business with a long-standing reputation on Long Island. They are known for their comprehensive energy efficiency solutions, professional crews, and expertise in both residential and commercial projects. They strongly emphasize air sealing alongside insulation for maximum performance.
One of the most recognized energy efficiency companies in New York, Celtic Energy is a certified BPI Building Analyst and Envelope Professional. They are experts in identifying and fixing home energy waste through advanced diagnostics and high-quality insulation installation, often helping clients access utility rebates.
A highly-rated specialist focusing primarily on attic and crawl space systems. They are praised for their meticulous attention to detail, clean work, and deep knowledge of how attic performance impacts overall home comfort and energy bills. They offer free estimates and energy audits.
The insulation market in and around Glenwood Landing, NY, is characterized by high-quality, specialized contractors catering to an older housing stock common on Long Island's North Shore. Many homes were built in the mid-20th century and lack modern insulation standards, creating a strong demand for upgrades driven by high local energy costs and homeowner interest in comfort and sustainability. **Competition Level:** The market is competitive but not saturated, favoring established companies with proven expertise, proper licensing, and certifications (like BPI). Consumers are generally knowledgeable and expect high-quality work. **Average Quality:** The bar for quality is high. Leading providers use advanced materials like spray foam and dense-pack cellulose and emphasize comprehensive air sealing as a critical component of the insulation process. **Typical Pricing:** Pricing is at a premium due to the high cost of living, stringent building codes, and the technical expertise required. As a rough guide: * **Attic Blown-In Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (Attic):** $3,500 - $7,500+ * **Wall Insulation (Blown-in):** $2,000 - $5,000 per floor Homeowners should always obtain multiple, detailed quotes. Many of these top-tier companies can also help identify and process rebates from NYSERDA and local utilities like PSEG Long Island, which can significantly offset the project cost.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Glenwood Landing regulations and climate
Get answers to common questions about insulation services in Glenwood Landing, New York.
Given Glenwood Landing's humid summers and cold, damp winters on the North Shore of Long Island, a focus on air sealing and moisture-resistant insulation is key. We typically recommend spray foam for its superior air barrier and closed-cell foam's moisture resistance in basements and crawl spaces, combined with high-performance blown-in cellulose or fiberglass in attics to manage both temperature extremes and humidity. Properly addressing air leaks is often more critical than just adding R-value alone in our coastal climate.
Yes, Glenwood Landing homeowners can access several programs. The primary source is NYSERDA's Home Performance with ENERGY STAR program, which offers incentives for comprehensive air sealing and insulation improvements. Additionally, PSEG Long Island offers rebates for specific insulation upgrades. It's crucial to work with a NYSERDA-approved contractor who can perform the required energy audit and ensure the work qualifies for these valuable incentives, which can significantly offset your project cost.
While insulation can be installed year-round, the ideal periods are late spring (May-June) and early fall (September-October). These times typically offer milder temperatures and lower humidity, which is important for certain materials like spray foam to cure properly. Scheduling during these shoulder seasons also avoids the peak summer heat and winter contractor rush, potentially leading to better availability and pricing. For attic work specifically, fall is optimal to prepare your home for winter heating costs.
Always verify that the contractor is licensed and insured to work in New York State. For the best results, choose one that is a NYSERDA Participating Contractor, as this requires specific training and adherence to quality standards. Ask for local references in the Glenwood Landing or North Shore area to see examples of their work in similar homes, and ensure they provide a detailed, written estimate that includes air sealing, material specifications (R-values), and a clear scope of work—not just a single price.
Yes, this is a very common and important concern for Glenwood Landing's many older homes built before the 1980s. Vermiculite attic insulation or pipe insulation may contain asbestos. A reputable local contractor will conduct an assessment before disturbing any existing materials. If hazardous materials are suspected, they will recommend a certified asbestos inspector and abatement professional, which is a regulated and necessary step in New York before new insulation can be safely installed.