Compare the highest-rated insulation professionals in Westbury, 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 expertise in energy audits, air sealing, and high-performance insulation installations, particularly spray foam. They are a certified BPI (Building Performance Institute) company, which is a key indicator of expertise in building science and energy efficiency.
A well-established contractor focused specifically on reducing energy costs through insulation and air sealing. They have a strong reputation for attic insulation upgrades and blown-in cellulose applications. They are also experts in navigating available rebates from local utility providers like PSEG Long Island.
This provider focuses extensively on all types of residential insulation, with particular strength in wall insulation (both blown-in and injection foam) and basement/crawl space encapsulation. They are known for providing detailed quotes and clear explanations of the best insulation solutions for different home styles common to Long Island.
** The insulation market in Westbury and the broader Nassau County area is robust and competitive, driven by older housing stock (many homes built pre-1980s) and high energy costs. The average quality of service is high, as contractors must be well-versed in local building codes and the specific challenges of New York's climate. Homeowners are increasingly aware of energy efficiency, leading to strong demand for comprehensive audits and air sealing alongside insulation. Competition is fierce among established providers, which generally benefits consumers through competitive pricing and a focus on customer service. Typical pricing can vary significantly based on the project scope and material. As a rough guide: * **Attic Blown-In Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (Attic):** $3,500 - $7,500+ * **Wall Insulation:** $2,000 - $5,000+ * **Energy Audit:** $400 - $700 A key factor in this market is the availability of rebates and financing through PSEG Long Island, which the most reputable contractors are certified to administer, often significantly reducing the net cost for homeowners.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Westbury regulations and climate
Get answers to common questions about insulation services in Westbury, New York.
For our Long Island climate with cold winters and humid summers, blown-in cellulose or fiberglass in attics and walls is often the most cost-effective, balancing performance and price. Typical costs in Westbury range from $1.50 to $3.50 per square foot installed, depending on material, accessibility (common in older homes), and the R-value needed. Investing in proper attic insulation often yields the fastest return on investment through lower National Grid or PSEG Long Island heating bills.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for certain installations like spray foam that require specific temperature ranges. Scheduling during these shoulder seasons also ensures your home is prepared before Westbury's peak heating season and avoids the busy summer rush for contractors.
Yes, there are important local incentives. PSEG Long Island offers rebates for adding insulation to meet specific R-value targets, which can significantly offset project costs. Furthermore, all work must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets minimum R-values for our climate zone (4A). A reputable local contractor will be fully versed in both the code and rebate application process.
Prioritize contractors who are licensed and insured in New York, have specific experience with Nassau County's older home stock, and can provide local references. Look for companies that perform a detailed energy audit or assessment first. It's also wise to verify they are a participating contractor in the PSEG LI rebate program to ensure they understand the qualification standards.
While insulation is critical, air sealing is the essential first step, especially in historic Westbury homes where air leaks around windows, doors, and attic penetrations are common. Insulation without air sealing is like wearing a sweater unbuttoned in the wind. A professional assessment will identify these leaks; sealing them before insulating maximizes comfort, prevents moisture issues in our humid climate, and ensures your insulation works at peak efficiency.