Compare the highest-rated insulation professionals in Islip, 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 offer a full suite of services from energy audits to advanced insulation installation and air sealing, often helping homeowners access rebates and incentives.
A specialized insulation contractor focused on retrofitting existing homes with high-performance insulation. They are particularly recognized for their expertise in spray foam and blown-in cellulose, as well as complex insulation removal and replacement projects.
This company emphasizes a whole-house approach to improving comfort and reducing energy bills. They are a certified insulation installer and provide detailed energy audits to identify the most cost-effective improvements, including attic, wall, and basement insulation.
The insulation market in Islip and the surrounding Suffolk County area is robust and competitive, driven by the region's cold winters, hot humid summers, and older housing stock. The average quality of service is high, with several established players holding necessary state licenses and industry certifications (like BPI - Building Performance Institute). Homeowners are increasingly aware of energy efficiency, leading to strong demand for services like air sealing and attic insulation upgrades. Competition is healthy, which helps maintain quality and provides consumers with options. Typical pricing varies significantly based on the project; a basic attic blow-in with cellulose can range from $1,500 to $3,500, while a full home spray foam application can cost $10,000 or more. Many providers work closely with programs like NYSERDA (New York State Energy Research and Development Authority) to help customers access rebates and financing, which is a significant factor in the local market.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Islip regulations and climate
Get answers to common questions about insulation services in Islip, New York.
For most older homes in Islip, blown-in cellulose or fiberglass insulation in the attic is highly cost-effective. These materials provide excellent thermal resistance (R-value) and help manage the humidity prevalent in our coastal climate. Sealing air leaks first is crucial, as our seasonal temperature swings make air infiltration a major source of energy loss and discomfort.
Generally, adding insulation to existing spaces does not require a permit in Islip, but if you are altering the structure (like adding new walls or changing ventilation in a conditioned attic), a building permit may be needed. Crucially, any work involving asbestos or vermiculite insulation in older homes must be handled by a NYS-licensed abatement contractor following strict state and federal regulations.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for proper installation of materials like spray foam. It also allows you to prepare your home before the peak heating season, though professional installers work year-round and attics can be addressed in winter if necessary.
Always verify that the contractor is properly insured and licensed to work in New York State. Look for local companies with strong reputations and ask for references from Islip or Suffolk County projects. A trustworthy contractor will perform a thorough energy audit or inspection, provide a detailed written estimate, and clearly explain the recommended R-values for our specific climate zone (Zone 4).
In nearly all cases, prioritize the attic first. Heat rises, making the attic the single largest source of heat loss in winter and heat gain in our humid summers. Proper attic insulation and air sealing often provide the fastest and most significant return on investment. A professional assessment can then determine if your wall cavities (often lacking in older homes) are the next priority.