Compare the highest-rated insulation professionals in Valley Stream, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated business with a strong reputation for comprehensive home performance services. They are known for their expertise in energy audits and combining air sealing with advanced insulation techniques to maximize home efficiency. Their team is highly trained in the latest building science principles.
Specializes in environmental solutions with a strong focus on insulation and air quality. They are recognized for their professional approach to insulation removal and replacement, particularly in attics and crawl spaces, and are well-versed in managing projects that involve mold or asbestos abatement.
While based slightly outside Valley Stream, this provider has an exceptional reputation for serving the entire South Shore of Long Island. They focus almost exclusively on attic services, making them specialists in this key area. Their high rating reflects a strong commitment to customer satisfaction and detailed work.
The insulation market in Valley Stream, NY, is competitive and characterized by a mix of long-standing local HVAC companies that have expanded into home performance and specialized environmental/insulation contractors. As a mature suburb with a housing stock ranging from historic homes to mid-century ranches, there is significant demand for energy efficiency upgrades. Homeowners are increasingly aware of utility rebates from providers like PSEG Long Island and federal tax credits, driving demand for high-performance solutions like spray foam and comprehensive air sealing. The average quality of service is high, with reputable contractors holding necessary state licenses and insurance. Pricing is typical for the New York metro area; a basic attic blow-in with cellulose can range from $1,500-$3,000, while a full attic spray foam job can range from $4,500 to $10,000+, heavily dependent on the square footage and existing conditions.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Valley Stream regulations and climate
Get answers to common questions about insulation services in Valley Stream, New York.
For our humid summers and cold, damp winters, the priority is air sealing and moisture control alongside insulation. We highly recommend spray foam or dense-packed cellulose for attics and walls, as they provide excellent thermal performance and act as an air barrier. Properly insulating your basement rim joists and crawl spaces is also critical to prevent cold floors and moisture intrusion common in our area.
Costs vary significantly based on home size, material, and scope, but Valley Stream homeowners can expect a typical attic insulation project to range from $1,500 to $4,500. Factors like the age of your home (many are mid-20th century), accessibility, and the need for air sealing will influence the final price. It's important to get itemized quotes that separate material and labor costs.
Yes, PSEG Long Island offers rebates for air sealing and adding insulation to existing homes through their Home Performance with ENERGY STAR® program. Additionally, New York State offers tax credits for certain energy-efficient improvements. A qualified local contractor will be familiar with these programs and can often help you navigate the application process to maximize your savings.
Always verify the contractor is licensed and insured to work in New York State. Look for companies with specific experience in our older housing stock and who perform a comprehensive energy audit (blower door test) first. Check for membership in local trade associations and strong reviews from Nassau County neighbors, as they understand local building codes and common issues like coastal humidity.
Insulation can be installed year-round, but the ideal times in Valley Stream are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for certain materials and for ventilating your home during the work. Avoid the peak of summer heat for attic projects and deep winter when frozen ground can complicate basement or crawl space access.