Compare the highest-rated insulation professionals in Hempstead, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, full-service insulation and energy efficiency contractor known for comprehensive home performance audits. They excel at identifying air leaks and thermal bypasses, then providing tailored solutions using both spray foam and blown-in insulation. Their strong focus on the "house-as-a-system" approach makes them a leader in whole-home energy upgrades.
Specializes primarily in attic services but has expanded to offer a full suite of insulation solutions. They are particularly praised for their attic insulation removal and replacement services, helping homeowners resolve old, contaminated, or inadequate insulation. They are knowledgeable about Long Island-specific rebates and building codes.
While based in the nearby town of Westbury, this company is a major provider of insulation services throughout Nassau County, including Hempstead. They have a strong reputation for wall insulation (both blown-in and injection foam) and basement/crawl space encapsulation, addressing moisture issues alongside thermal performance.
The insulation market in Hempstead, NY, is competitive and service-oriented, driven by the region's high energy costs and a housing stock that includes many older, drafty homes. The average quality of contractors is good, with several established players holding necessary licenses and insurance. However, as in any trade, there are less reputable operators, making due diligence essential. Competition is strong, which generally benefits consumers through competitive pricing and a focus on customer service. Typical pricing is on the higher end of the national average due to the elevated cost of living and materials on Long Island. For example, attic blow-in insulation can range from $1,500 to $4,000+, while spray foam projects often start at $3,000 and can exceed $10,000 for whole-house applications. Homeowners are increasingly aware of available rebates from state programs like NYSERDA, and the leading contractors are proficient in helping clients navigate these incentives to reduce the net project cost.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Hempstead regulations and climate
Get answers to common questions about insulation services in Hempstead, New York.
For Hempstead's humid summers and cold, windy winters, air sealing and attic insulation are the top priorities. Many older homes here have significant air leaks and insufficient attic R-Value. Upgrading to at least R-49 in the attic (per NYS energy code recommendations) and sealing gaps around windows, doors, and penetrations will dramatically improve comfort and reduce energy costs year-round by preventing conditioned air from escaping.
Costs vary by project, but attic insulation in Hempstead typically ranges from $1,500 to $4,500, while whole-house air sealing and insulation can be $5,000+. Crucially, homeowners in Nassau County (including Hempstead) should explore the NYSERDA Home Performance with ENERGY STAR® program, which offers significant cash-back incentives and low-interest financing for qualified insulation upgrades, making projects much more affordable.
While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder weather, making it easier for contractors to perform critical air sealing tests (blower door tests) and for you to address any attic ventilation issues before the peak summer heat or winter cold sets in, ensuring your home is prepared for the extreme seasons.
Always verify the contractor is licensed and insured in New York State. Look for a company that is a NYSERDA Participating Contractor, as this ensures they are trained in comprehensive home performance and can help you access state incentives. Ask for local references in Nassau County and ensure they conduct a pre-installation energy assessment to diagnose your home's specific needs, rather than offering a one-size-fits-all solution.
This is a very common concern in Hempstead due to our high humidity and older home foundations. Proper insulation for basements and crawl spaces must be part of a moisture control strategy. This often involves installing closed-cell spray foam (which acts as a moisture barrier) on foundation walls or using rigid foam boards, combined with proper interior drainage and dehumidification. Critically, never use fiberglass batts directly against cold, below-grade concrete walls, as this can trap moisture and lead to mold growth.