Compare the highest-rated insulation professionals in Uniondale, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly reputable and long-standing contractor specializing in comprehensive home performance and insulation services. They are a Building Performance Institute (BPI) certified company, which underscores their expertise in whole-home energy efficiency solutions, including advanced air sealing and insulation techniques. They are known for their professional crews and knowledge of local utility rebates.
This provider focuses heavily on attic services but offers a full suite of insulation solutions. They receive consistent praise in customer reviews for their cleanliness, efficiency, and clear communication. They specialize in blown-in cellulose and fiberglass, making them a strong choice for attic encapsulation and wall insulation projects.
As the name implies, this company is a specialist in spray foam applications, serving both residential and commercial clients. They are a strong choice for projects requiring high R-value and air barrier systems, such as basement walls, crawl spaces, and cathedral ceilings. Their expertise is particularly noted in new construction and major retrofit projects.
** The insulation market in Uniondale and the surrounding Nassau County area is mature and competitive, characterized by a high demand for energy efficiency upgrades. This is driven by the prevalence of older housing stock (many homes built mid-20th century) with original, under-performing insulation and rising energy costs. The average quality of providers is good to excellent, with a clear distinction between general contractors who may offer insulation and dedicated insulation specialists. The specialists, like those listed above, typically offer superior expertise, especially in air sealing and navigating rebate programs from NYSERDA and PSEG Long Island. Competition is strong, which benefits consumers through competitive pricing and a focus on customer service. However, it also necessitates due diligence to avoid less reputable operators. Typical pricing is on the higher end of the national average due to the region's high cost of living and labor. As a rough guide, attic insulation projects can range from $1,500 to $4,500, whole-home wall insulation from $3,000 to $8,000, and spray foam applications are premium, often starting at $2,500 for a small area and reaching $15,000+ for entire homes. Consumers are advised to obtain multiple quotes and verify licensing and insurance.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Uniondale regulations and climate
Get answers to common questions about insulation services in Uniondale, New York.
For our humid summers and cold, damp winters, spray foam insulation often provides the best long-term value despite a higher upfront cost. It creates an air seal that combats humidity and prevents heat loss, crucial for energy efficiency in New York's mixed climate. However, blown-in cellulose or fiberglass in attics can be a very effective and budget-friendly option for retrofitting older Uniondale homes, especially in unfinished spaces.
Yes, insulation work in Uniondale must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets strict R-value requirements for different parts of the home. While a permit is not always required for simple "blow-in" jobs, any structural alteration, like adding spray foam to roof decks or walls, typically requires a permit from the Town of Hempstead Building Department. A reputable local contractor will handle this process for you.
The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is important for certain materials like spray foam that require specific temperature ranges to cure properly. Scheduling during these shoulder seasons also avoids the peak summer and winter rush, potentially leading to better availability and pricing from local contractors.
Always verify that the contractor is licensed and insured to work in New York State. Look for companies with specific experience in Nassau County's older housing stock, as many Uniondale homes have unique construction challenges. Check for local references and reviews, and ensure they provide a detailed, written estimate that includes the proposed R-values, material specifications, and a clear explanation of the work process.
The attic is almost always the top priority, as heat rises and escapes through the roof—this is where you'll see the fastest return on investment. Next, address basement rim joists and crawl spaces to stop cold air infiltration from the ground. Finally, consider insulating exterior walls, especially in pre-1970s homes, which are often under-insulated for our New York climate. A professional energy audit can pinpoint your home's specific weaknesses.