Compare the highest-rated insulation professionals in Holbrook, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading home performance and insulation contractor on Long Island, All Island Group is known for comprehensive energy efficiency solutions. They combine advanced diagnostic tools with expert installation to address air sealing, insulation, and ventilation as a complete system. Their strong reputation is built on high-quality workmanship and customer service.
As the name suggests, LI Foam is a specialist in spray foam applications but offers a full suite of insulation services. They are particularly noted for their expertise in both open-cell and closed-cell foam for residential and commercial properties, including complex projects like cathedral ceilings and crawl spaces.
Green Attic Insulation focuses heavily on attic performance and blown-in insulation solutions. They are a strong choice for homeowners looking to upgrade old, inefficient attic insulation and combine it with critical air sealing measures. They are well-regarded for their clear communication and effective solutions for improving home comfort.
** The insulation market in and around Holbrook, NY, is robust and competitive, driven by the region's older housing stock (many homes built pre-1980s) and high energy costs. The average quality of service is high, as contractors must adhere to New York State and Suffolk County building codes, which have become increasingly focused on energy efficiency. Homeowners are often motivated by available rebates and incentives from programs like NYSERDA's EmPower New York and offerings from local utility PSEG Long Island. Competition is strong among established, licensed contractors, separating them from smaller, less-specialized handyman services. Typical pricing varies significantly based on the project scope and material. For a standard attic blown-in cellulose job with air sealing, homeowners can expect to invest between $2,500 - $5,000. Spray foam projects are more capital-intensive, often ranging from $6,000 to $15,000+ depending on the square footage and foam type. Reputable providers almost universally offer free, in-home estimates and energy audits to accurately diagnose issues and provide detailed quotes.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Holbrook regulations and climate
Get answers to common questions about insulation services in Holbrook, New York.
For most Holbrook homes, blown-in cellulose or fiberglass in attics and walls offers the best 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 and higher R-value per inch but is more expensive, often $2,000-$5,000+ for key areas. Given Long Island's humid summers and cold winters, investing in proper air sealing alongside insulation is crucial for long-term energy savings and comfort, which can offset the initial cost.
Early fall or late spring are ideal times in Holbrook, as temperatures are moderate, allowing for proper installation of materials like spray foam, and your attic isn't unbearably hot for workers. Most residential projects, such as attic insulation or wall cavity fills, are completed in 1-2 days. Scheduling ahead of peak winter heating season is wise, as contractors book up quickly, and you'll want the insulation in place before the first major cold snap typical of Suffolk County winters.
Yes, Holbrook homeowners must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets minimum R-value requirements for different parts of your home. Crucially, you can access significant rebates and financing through NYSERDA's EmPower+ program and federal tax credits for qualified energy-efficiency upgrades. A local, certified contractor will be familiar with these codes and can help you navigate the incentive application process to maximize your savings.
Always choose a contractor who is fully licensed and insured in New York State and has specific experience with Long Island's older housing stock and climate challenges. Look for certifications from manufacturers (like Owens Corning or Icynene) and ask for local references in Holbrook or nearby towns like Ronkonkoma or Sayville. A reputable provider will offer a detailed, in-home assessment and quote, not just a phone estimate, and should clearly explain the recommended materials and expected energy savings.
While adding attic insulation is highly effective, the first step should be a professional energy audit to identify air leaks, which are a major issue in our coastal climate. Sealing gaps around windows, doors, and penetrations into the attic (like pipes and wires) is often more critical than just adding bulk insulation. After air sealing, bringing your attic insulation to the recommended R-49 to R-60 for our climate zone will dramatically improve comfort and reduce heating costs from National Grid or PSEG Long Island.