Compare the highest-rated insulation professionals in Islandia, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated insulation specialist with a strong focus on energy efficiency and custom solutions for both residential and commercial properties. They are known for their comprehensive service, from energy audits to full installation and air sealing, and are a certified installer for certain insulation manufacturers.
This provider has built a strong reputation for professional insulation removal and replacement, particularly for attics and crawl spaces. They emphasize using high-quality materials and are well-versed in local building codes and potential energy rebates available to Long Island homeowners.
Specializing in creating more energy-efficient and comfortable homes, Green Attic Insulation focuses heavily on attic services, including deep cleaning, air sealing, and installing high-performance insulation. They are praised in customer reviews for their attention to detail and clear communication.
The insulation market in and around Islandia, NY, is competitive and served by a mix of long-standing local specialists and larger regional contractors. The average quality is high, as contractors must adhere to New York State's strict building and energy codes, particularly since Suffolk County participates in various state and utility-sponsored energy efficiency rebate programs (like those from PSEG Long Island). Homeowners are generally knowledgeable and demand high-quality work, driving a focus on professionalism and certifications (e.g., BPI). Pricing is typical for the Long Island region, which is above the national average. For a standard attic blown-in insulation job, homeowners can expect a range of $1,500 to $4,000, while more comprehensive spray foam applications or full-home insulation upgrades can range from $5,000 to $15,000 or more, heavily dependent on the home's size and existing conditions.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Islandia regulations and climate
Get answers to common questions about insulation services in Islandia, New York.
For our Long Island climate with cold winters and humid summers, a combination approach is often best. We typically recommend spray foam for its superior air-sealing and high R-value per inch, especially in attics and crawl spaces, or high-density blown-in cellulose for existing wall cavities. The goal is to create a tight thermal envelope that manages both temperature and moisture, which is critical for energy efficiency and preventing mold in our region.
For a standard 1,500 sq ft attic in Islandia, adding or upgrading to R-49 blown-in cellulose or fiberglass typically ranges from $1,800 to $3,500, while spray foam can range from $3,500 to $7,500+. Final costs depend on material choice, existing conditions, and the complexity of the attic space. It's important to note that Suffolk County homeowners may qualify for NYSERDA rebates and federal tax credits, which can significantly offset this investment.
While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder temperatures, allowing for proper installation and curing of materials like spray foam. Scheduling during these shoulder seasons also ensures your home is prepared for peak heating and cooling demands, and you'll avoid the high-demand backlog common in the dead of winter.
Yes, key regulations include compliance with the New York State Energy Conservation Construction Code (NYSECCC), which mandates specific R-values for different parts of the home. In Suffolk County, any contractor performing work must have a valid Home Improvement license. Furthermore, if your home was built before 1978, federal and state lead-safe work practices are required for any disturbance of painted surfaces.
Prioritize contractors who are licensed, insured, and have specific experience with Long Island homes. Ask for local references in Islandia or nearby towns like Ronkonkoma or Hauppauge, and verify they perform a comprehensive energy audit or assessment before quoting. A reputable provider will be well-versed in NYSERDA programs and should clearly explain how their solution addresses our local humidity and temperature swings.