Compare the highest-rated insulation professionals in Nesconset, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading Long Island contractor specializing in comprehensive home performance and energy efficiency solutions. They are well-known for their professional audits and high-quality insulation installations, particularly spray foam, which aligns with modern energy standards. Their strong focus on air sealing and energy audits makes them a top choice for holistic home upgrades.
A specialized insulation contractor with a strong reputation for attic-specific services, including insulation removal, air sealing, and installing blown-in cellulose or fiberglass. They emphasize fixing the "building envelope" to improve comfort and reduce energy bills, and they are knowledgeable about local utility rebates.
A family-owned and operated business that provides a wide array of insulation services for both residential and commercial properties. They are praised for their detailed work in walls, basements, and crawl spaces, using techniques like dense-pack cellulose for walls and blown-in insulation for attics.
** The insulation market in Nesconset and the broader Smithtown area is competitive and service-oriented, driven by Long Island's climate, which features cold winters and hot, humid summers. The housing stock includes a significant number of older homes built before modern energy codes, creating a strong demand for insulation upgrades and air sealing. The average quality of service providers is high, as companies must adhere to strict New York State and local building codes. Competition is robust among specialized insulation contractors and full-service home performance companies. Homeowners are increasingly aware of energy efficiency and available rebates from programs like PSEG Long Island's Home Energy Assessment, which drives demand for comprehensive audits and professional installation. Typical pricing varies significantly based on the project scope and material. Basic attic blown-in fiberglass can start from **$1,500 - $3,000**, while a full attic spray foam job can range from **$4,500 - $10,000+**. Wall insulation and complex removal/replacement projects also fall on the higher end of the spectrum. It is considered standard practice to obtain at least 2-3 detailed quotes for any major insulation project.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Nesconset regulations and climate
Get answers to common questions about insulation services in Nesconset, New York.
For most homes in Nesconset, blown-in cellulose or fiberglass insulation in attics and walls offers an excellent balance of cost and performance, with typical costs ranging from $1,500 to $3,500 depending on home size and existing conditions. Spray foam provides superior air sealing for our humid summers and cold winters but is a more significant investment. Always get a detailed, in-home assessment for an accurate quote, as Long Island labor and material costs influence pricing.
While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather on Long Island, which is optimal for attic work and allows for proper curing of certain materials like spray foam. Addressing insulation before the peak of summer or the deep cold of winter ensures your home is prepared for Suffolk County's temperature extremes.
Yes, insulation work must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets minimum R-value requirements for our climate zone. Crucially, homeowners in Nesconset served by PSEG Long Island or National Grid are eligible for significant rebates through the NYS Clean Heat program and Home Performance with ENERGY STAR®, which can cover a substantial portion of the cost for approved air sealing and insulation upgrades.
Select a contractor who is licensed and insured in New York State and has specific experience with Long Island homes. Look for providers who are BPI (Building Performance Institute) certified and are approved contractors for the utility rebate programs mentioned above. Always ask for local references in Suffolk County and verify they provide a detailed contract outlining the R-values, materials, and areas to be addressed.
Adding insulation is only part of the solution; air sealing is often the critical first step. Nesconset's older homes commonly have significant air leaks around chimneys, plumbing vents, and recessed lights that allow conditioned air to escape. A professional energy audit, often subsidized by local utility programs, will identify these leaks. The most effective approach is a combination of comprehensive air sealing followed by adding insulation to the recommended R-value for our region (often R-49 to R-60 for attics).