Compare the highest-rated insulation professionals in Mount Sinai, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading home performance and insulation contractor on Long Island, known for comprehensive energy efficiency solutions. They specialize in a whole-house approach, combining advanced insulation techniques with precise air sealing to maximize comfort and savings. Their team is highly trained in the latest building science principles.
A well-established, family-owned insulation contractor with a strong reputation for quality workmanship and customer service. They offer a wide range of insulation services for both residential and commercial properties and are known for their expertise in handling complex insulation removal and replacement projects.
This provider focuses heavily on retrofitting existing homes with modern, high-performance insulation. They are particularly skilled in attic and wall insulation projects, using both dense-pack cellulose and fiberglass blown-in systems to improve thermal boundaries without major renovations.
The insulation market in and around Mount Sinai, NY, is competitive and characterized by a high standard of quality, driven by Long Island's specific climate challenges and energy costs. Homeowners are increasingly seeking comprehensive energy efficiency upgrades rather than just basic insulation installation. The market features a mix of large, full-service home performance companies (like All Island Group) and specialized, long-standing insulation contractors (like St. John Insulation). Competition is strong, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing is aligned with regional averages for the New York metro area. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $4,000 * **Spray Foam Insulation (Attic):** $3,500 - $7,500+ * **Wall Insulation (Blown-in):** $2,000 - $5,000 * **Energy Audit:** $400 - $700 Many providers are well-versed in New York State and Long Island Power Authority (LIPA) rebates and incentives, which can significantly offset project costs. Consumers are advised to verify contractor licensing with the Town of Brookhaven and ensure they are receiving quotes that include detailed Manual J load calculations and air sealing specifications for optimal results.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Mount Sinai regulations and climate
Get answers to common questions about insulation services in Mount Sinai, New York.
For our Long Island climate with cold, damp winters and humid summers, spray foam and blown-in cellulose are top choices. Closed-cell spray foam provides an excellent air and moisture barrier, crucial for preventing condensation issues common in our coastal area, while dense-packed cellulose offers great thermal performance and soundproofing. The best choice depends on your home's specific construction, budget, and whether you're targeting the attic, walls, or crawl spaces.
Costs vary significantly based on the material, project scope (e.g., attic vs. whole house), and home size, but Mount Sinai homeowners can expect a typical attic insulation project to range from $1,500 to $4,500. Regional material and labor costs on Long Island are above the national average. It's crucial to get itemized quotes from local contractors that detail the R-value (recommended R-49 to R-60 for attics here), square footage, and material to ensure you're comparing equivalent services.
Yes, insulation work in Mount Sinai typically requires a building permit from the Town of Brookhaven, especially if it involves structural alterations or changing the home's thermal envelope. Furthermore, New York State has strict energy codes (2020 ECCCNYS) that mandate specific R-values for different parts of the home. A reputable local installer will know these requirements and handle the permit process, which also ensures the work will be inspected for safety and compliance.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for certain materials like spray foam that have specific temperature and humidity application requirements. Scheduling during these shoulder seasons also avoids the peak summer heat and the busy pre-winter rush, potentially leading to better availability and scheduling flexibility from local contractors.
Prioritize contractors who are licensed, insured, and have verifiable local experience with homes in our coastal climate. Ask for references from nearby projects and check for certifications from manufacturers (like SPFA for spray foam). Ensure they perform a thorough energy audit or assessment first, and be wary of those who offer "one-size-fits-all" solutions or door-to-door deals that seem too good to be true. A trustworthy provider will focus on air sealing alongside insulation for maximum energy efficiency.