Compare the highest-rated insulation professionals in Holtsville, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading Long Island contractor specializing in comprehensive home performance upgrades. They are highly regarded for their energy audits and advanced insulation solutions, particularly spray foam. They are a certified BPI (Building Performance Institute) company, which underscores their expertise in whole-house energy efficiency and air sealing.
This company has built a strong reputation specifically on attic services and insulation. They focus heavily on attic insulation upgrades, removal, and air sealing to improve home comfort and reduce energy bills. Their customer reviews consistently praise their attention to detail and professionalism.
A well-established, family-owned and operated insulation contractor serving Long Island for decades. They offer a wide array of insulation types and are known for their personalized service and knowledge of local building codes and utility rebates. They handle both residential and commercial projects.
The insulation market in Holtsville and the broader Suffolk County area is robust and competitive, driven by the region's mix of older homes and new construction, as well as the high cost of energy. The average quality of service is high, with several established, long-standing companies competing on expertise and service rather than just price. Due to stringent New York State and local building codes, reputable providers are typically licensed, insured, and knowledgeable about available rebates from programs like PSEG Long Island's Home Energy Assessment. Pricing is generally at a premium compared to national averages, reflecting the higher cost of living and business operations on Long Island. A typical attic blow-in insulation job can range from $1,500 to $4,000, while a full spray foam application can cost $5,000 to $15,000 or more, depending on the scope and R-value required. Homeowners are increasingly focused on comprehensive air sealing and energy audits to maximize the effectiveness of their insulation investments.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Holtsville regulations and climate
Get answers to common questions about insulation services in Holtsville, New York.
For a standard 1,500 sq ft attic in Holtsville, adding blown-in cellulose or fiberglass insulation to achieve the recommended R-49 for our climate zone (Zone 4) typically costs between $1,500 and $3,500. The final price depends on the existing insulation depth, the material chosen, and the attic's accessibility. It's important to get multiple quotes, as Long Island labor rates can influence pricing, but this investment often pays for itself through significant heating and cooling savings within a few years.
While insulation can be installed year-round, the ideal times in our area are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for proper installation of materials like spray foam that require specific temperature ranges. Scheduling during these shoulder seasons also avoids the peak summer heat in the attic and the contractor backlog that can happen right before winter.
Yes, Holtsville homeowners should first explore the NYSERDA Home Performance with ENERGY STAR® program, which offers generous rebates and financing for comprehensive energy upgrades, including insulation. Additionally, PSEG Long Island provides rebates for specific insulation improvements. It's crucial to use a NYSERDA-recognized contractor to qualify, and these incentives can reduce your project cost by hundreds to thousands of dollars, making upgrades very cost-effective.
Always verify that a contractor is licensed and insured to work in Suffolk County. Look for companies with specific experience in our coastal climate and ask for local references in Holtsville or nearby towns like Farmingville or Patchogue. A reputable provider should perform a thorough energy audit or inspection first and be knowledgeable about NYSERDA programs. Membership in local associations like the Long Island Home Improvement Contractors Association is also a good sign.
For most older Holtsville homes, air sealing is the critical first step. Our area experiences strong nor'easters and cold winds; sealing gaps, cracks, and penetrations in the attic and basement stops conditioned air from escaping. Adding insulation on top of a leaky structure is far less effective. A professional assessment will identify these air leaks. Properly sealing your home, followed by adding insulation to the recommended R-value, provides the best defense against Long Island's humid summers and cold, windy winters.