Compare the highest-rated insulation professionals in Old Westbury, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly specialized and top-rated insulation contractor focusing exclusively on making homes more energy-efficient. They are known for their meticulous work, use of high-quality materials like cellulose and spray foam, and their comprehensive approach that includes detailed energy audits and air sealing. They are a go-to for homeowners in North Shore communities like Old Westbury.
This provider is a specialist in spray foam applications, serving both residential and commercial clients across Long Island. They are praised for their technical expertise, professionalism, and ability to handle complex projects, including cathedral ceilings, basement walls, and crawl spaces in larger homes. Their focus on spray foam makes them a premium choice for achieving maximum R-value and air tightness.
Green Attic Insulation has built a strong reputation for attic-specific services and blown-in insulation. They offer a wide range of insulation types, including fiberglass, cellulose, and spray foam, allowing them to provide tailored solutions. They are frequently noted for their excellent customer service, clean work, and effectiveness in resolving common issues like ice dams and uneven temperatures through attic insulation upgrades.
** The insulation market in Old Westbury, NY, is a high-end, specialized segment of the broader Long Island home performance industry. Due to the value of the properties and the demographic of homeowners, the competition is based on quality, expertise, and service rather than price. The average quality of contractors serving this area is very high, with an expectation of professional certifications (like BPI - Building Performance Institute) and knowledge of local building codes and potential energy rebates from NYSERDA (New York State Energy Research and Development Authority). Typical pricing is premium, reflecting the high cost of labor and materials in the region, as well as the complex nature of insulating large, custom-built homes. Homeowners should expect a comprehensive energy audit (often at a cost of $400-$600) before any work is quoted. Project costs can range significantly: * **Attic Blown-In Cellulose:** $1,500 - $4,500+ * **Whole-House Spray Foam:** $10,000 - $30,000+ * **Air Sealing Package:** $1,000 - $5,000+ The market is not saturated with low-cost, general handymen; it is dominated by established, insured, and technically proficient companies that understand the critical importance of building science for both comfort and the preservation of high-value real estate.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Old Westbury regulations and climate
Get answers to common questions about insulation services in Old Westbury, New York.
Given Old Westbury's humid summers and cold, wet winters, a comprehensive approach is key. Prioritizing air sealing and attic insulation (like blown-in cellulose or fiberglass) is critical to prevent heat loss and ice dams. For many historic or older homes in the area, adding dense-pack cellulose or spray foam in wall cavities can dramatically improve comfort and energy efficiency year-round.
Insulation costs in Old Westbury and across Long Island are typically 10-20% higher than the national average due to higher labor and material costs. The final price for your home is heavily influenced by the size and accessibility of your attic or walls, the insulation material chosen (with spray foam being premium), and the age of your home, as older properties often require more preparatory work like air sealing.
Yes, homeowners should actively explore several programs. The most significant is NYSERDA's Home Performance with ENERGY STAR program, which offers generous rebates and financing for comprehensive energy upgrades, including insulation. Additionally, check with National Grid or PSEG Long Island for any utility-specific incentives, and consult a participating contractor who can help you navigate the application process.
Always verify the contractor is licensed and insured to work in New York State. Look for companies with specific experience in older or historic homes common in Old Westbury and those who are NYSERDA-certified or BPI-accredited, as this indicates training in building science and air sealing. Get multiple detailed quotes that include a home energy assessment and ask for local references you can contact.
Insulation can be installed year-round, but fall is often ideal in Old Westbury to prepare for winter heating. The process itself is minimally disruptive for attic or wall cavity projects, typically taking 1-2 days. Interior living spaces are rarely affected, though there will be some noise and activity around the home's exterior and in the attic. A professional crew will clean up thoroughly afterward.