Compare the highest-rated insulation professionals in Smithtown, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading full-service insulation and energy efficiency contractor serving Long Island. They are highly regarded for their comprehensive approach, combining advanced insulation techniques with detailed energy audits and air sealing to maximize home performance. They are a Building Performance Institute (BPI) certified company, indicating a high level of expertise in building science.
Specializes primarily in attic services but has expanded to offer whole-home solutions. They receive consistent praise for their professionalism, cleanliness, and deep knowledge of attic ventilation and insulation dynamics. They focus on creating more comfortable living spaces and reducing energy bills through targeted insulation upgrades.
As the name implies, this provider is a specialist in spray foam insulation, one of the most effective air barrier and insulation materials available. They are experts in both open-cell and closed-cell foam applications for walls, roofs, basements, and crawl spaces. Their focus on a single, high-performance product makes them a go-to expert for complex projects.
** The insulation market in Smithtown and the surrounding Suffolk County area is robust and competitive. The quality of providers is generally high, driven by stringent New York State building codes and the high cost of energy, which motivates homeowners to seek efficiency upgrades. The housing stock includes many homes built before modern energy codes, creating significant demand for retrofits. **Competition Level:** High. There are numerous contractors, but the market is segmented between general handymen who offer basic insulation and specialized, certified professionals who provide comprehensive air sealing and performance-based solutions. The providers listed above are in the latter, premium tier. **Typical Pricing:** Pricing is on the higher end compared to national averages, reflecting the higher cost of living and business operations on Long Island. * **Blown-In Cellulose/Fiberglass:** $1,500 - $4,500 for a standard attic. * **Spray Foam Insulation:** $2.00 - $5.00 per board foot, making a full attic project range from $4,500 to $12,000+ depending on depth and foam type. * **Wall Insulation:** $1.50 - $3.50 per square foot for blown-in, and more for injection foam. Homeowners are advised to seek multiple quotes and inquire about available rebates from New York State energy programs (like NYSERDA) and utility providers (PSEG Long Island), which the more reputable contractors are typically well-versed in navigating.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Smithtown regulations and climate
Get answers to common questions about insulation services in Smithtown, New York.
For a standard 1,500 sq. ft. attic in Smithtown, adding or upgrading to modern blown-in cellulose or fiberglass insulation typically ranges from $1,500 to $3,500. The final cost is influenced by the current insulation's R-value, the desired new R-value (we recommend R-49 to R-60 for our climate), attic accessibility, and the chosen material. Local material costs and the complexity of air sealing services, which are crucial for Long Island's humid summers and cold winters, also significantly impact the price.
While insulation can be installed year-round, the ideal times in Smithtown are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows for proper ventilation during installation. Scheduling during these shoulder seasons also ensures your home is prepared for peak heating and cooling demands, and you'll find greater contractor availability compared to the busy pre-winter rush.
Yes, Smithtown follows the New York State Energy Conservation Construction Code, which mandates specific minimum R-values for different parts of your home. More importantly, Smithtown homeowners should explore rebates from the Long Island Power Authority (LIPA) and National Grid, which offer significant incentives for approved insulation upgrades that improve energy efficiency. A qualified local contractor will be familiar with both the code requirements and the application process for these valuable local rebates.
Prioritize contractors who are licensed and insured in New York State and have verifiable experience with homes in Smithtown and Suffolk County. Look for companies that perform a comprehensive energy audit or detailed assessment, provide clear written estimates, and can explain how they will address local issues like coastal humidity and ice dam prevention. Always check for reviews from local customers and confirm they offer warranties on both materials and workmanship.
Insulation is a critical part of the solution, but you should start with a professional assessment to identify air leaks. For Smithtown's historic homes, air sealing around windows, doors, and attic penetrations is often the first and most cost-effective step. After sealing, adding insulation—especially in the attic and rim joists—will dramatically improve comfort and efficiency. Addressing both is key to combating our specific climate challenges, including nor'easters and summer humidity.