Compare the highest-rated insulation professionals in Williston Park, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly reputable and long-standing Long Island contractor known for comprehensive home performance services. They specialize in creating energy-efficient, comfortable homes through advanced insulation and air sealing techniques. Their strength lies in a holistic approach, often combining insulation with air sealing and HVAC for maximum efficiency.
This provider has built an excellent reputation specifically for attic and insulation services. They are frequently highlighted in reviews for their professionalism, cleanliness, and deep knowledge of building science. They focus heavily on the attic as the primary source of energy loss.
A family-owned and operated insulation specialist serving Nassau and Suffolk counties. They are known for their personalized service and expertise in a wide range of insulation materials. They are a strong choice for both new construction projects and retrofitting existing homes.
** The insulation market in Williston Park and the surrounding Nassau County area is robust and competitive, characterized by a high demand for energy efficiency upgrades in its stock of older, often under-insulated homes. The average quality of providers is good to excellent, with several established companies leveraging advanced techniques like spray foam and dense-pack cellulose. **Competition Level:** High. Homeowners have multiple reputable options, which helps maintain strong service standards and competitive pricing. **Typical Pricing:** Costs are on the higher end, reflective of the New York metro area's labor and material costs. As a general guide: * **Attic Blown-In Insulation:** $1,500 - $4,500+ * **Spray Foam Insulation:** $2.00 - $5.00+ per board foot (highly variable based on type - open vs. closed cell). * **Wall Insulation:** $1.50 - $3.50+ per square foot for blown-in. Many local providers are well-versed in New York State energy rebates and tax incentives (like those from NYSERDA), which can significantly offset the upfront cost for homeowners who undergo an energy audit first. It is highly recommended to obtain at least three detailed, itemized quotes for any project.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Williston Park regulations and climate
Get answers to common questions about insulation services in Williston Park, New York.
For the many pre-war and mid-century homes in Williston Park, air sealing and adding attic insulation are the most critical first steps. Our humid summers and cold, wet winters mean you need insulation that manages both temperature and moisture effectively. We typically recommend air sealing gaps first, then upgrading to blown-in cellulose or fiberglass in the attic to at least R-49, which is the recommended level for our New York climate zone.
Costs vary based on home size, material, and scope, but for a standard attic insulation project in Williston Park, homeowners can expect to invest between $1,500 and $3,500. Factors like the need for extensive air sealing, difficult attic access common in local cape and colonial styles, and the choice of premium materials like spray foam will increase the price. Always get itemized estimates from local contractors to compare.
Yes, Williston Park homeowners should first check with National Grid or PSEG Long Island for utility rebates on air sealing and insulation. Furthermore, New York State offers significant incentives through the EmPower+ program for income-eligible residents and tax credits for certain energy-efficient improvements under the federal Inflation Reduction Act. A qualified local installer can help you navigate these programs.
While insulation can be installed year-round, the ideal times in Williston Park are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows contractors more scheduling flexibility before the busy winter rush. Avoid the peak summer heat in an attic or the deepest winter cold for both crew safety and material performance.
Always verify the contractor is licensed and insured to work in New York State and Nassau County. Look for established local companies with strong knowledge of Williston Park's specific housing stock and building codes. They should provide a detailed, written estimate, perform a thorough energy audit or assessment, and clearly explain the recommended R-values, materials, and expected energy savings for your home.