The Best Insulation Contractors in Manhasset, NY

Compare the highest-rated insulation professionals in Manhasset, New York. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

All Island Insulation Corp.

4.8
(180 reviews)
Verified

A leading Long Island insulation contractor known for comprehensive energy efficiency solutions. They are highly regarded for their expertise in both residential and commercial projects, offering a full suite of services from energy audits to advanced insulation installations. They are often recognized for their knowledge of local rebate programs.

75 Commerce Dr, Wyandanch, NY 11798

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Green Attic Insulation

4.9
(150 reviews)
Verified

Specializes in creating more energy-efficient and comfortable homes through superior attic and wall insulation services. They emphasize air sealing as a critical component of their process and are known for their meticulous attention to detail and high customer satisfaction.

25 Laurel Ave, East Northport, NY 11731

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Insulation removal and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Long Island Insulation

4.7
(90 reviews)
Verified

A well-established provider focusing on modern insulation techniques to improve home comfort and reduce energy bills. They offer a wide range of insulation types and are proficient in handling complex projects involving crawl spaces and basement insulation, adhering to Long Island's specific building codes.

115 Hoffman Ln, Islandia, NY 11749

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Blown-in insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Manhasset

The insulation market serving Manhasset, NY, is characterized by high-quality, specialized contractors rather than a high volume of competition. As an affluent area on the North Shore of Long Island, homeowners prioritize energy efficiency, comfort, and professional service, leading to a market dominated by established, reputable companies with strong reviews and specialized certifications (like BPI). Pricing is typically at a premium compared to national averages, reflecting the high cost of living and the expertise required. For a standard attic insulation project with blown-in cellulose, homeowners can expect prices to start in the $1,500-$3,000 range, while more comprehensive whole-home projects involving spray foam and air sealing can easily range from $5,000 to $15,000+. Most top-tier providers offer free estimates and are well-versed in local energy rebates from providers like PSEG Long Island.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Manhasset regulations and climate

Frequently Asked Questions About Insulation in Manhasset

Get answers to common questions about insulation services in Manhasset, New York.

1What is the best type of insulation for my older Manhasset home, considering our local climate?

For Manhasset's humid summers and cold, damp winters, spray foam insulation is often the top recommendation for older homes, especially in attics and basements, due to its superior air-sealing and moisture-resistant properties. However, blown-in cellulose or fiberglass can be a very effective and cost-efficient option for enclosed wall cavities. A professional assessment is key, as many historic or classic homes in the area have specific construction needs that affect the best choice.

2How much does attic insulation typically cost in Manhasset, and are there any local rebates?

For a standard 1,500 sq ft attic in Manhasset, adding blown-in insulation to reach the recommended R-49 for our climate zone can range from $1,800 to $3,500, with spray foam costing significantly more. Homeowners should check for rebates from the New York State Energy Research and Development Authority (NYSERDA), which offers incentives for eligible insulation upgrades that improve home performance, and also inquire with National Grid about any available programs.

3When is the ideal time of year to schedule insulation work in Manhasset?

Fall is typically the best time, as it allows you to prepare your home for winter heating while contractors have more availability before their peak season. However, insulation can be installed year-round; winter projects are common for addressing urgent heat loss, and summer projects help prepare for air conditioning efficiency. Scheduling during milder spring or fall weather is often most comfortable for projects involving attic work.

4What local regulations or permits should I be aware of for insulation projects in Manhasset?

Most basic insulation retrofits in existing homes do not require a permit from the Town of North Hempstead, but any project that involves altering the structure, electrical, or plumbing (common with spray foam near fixtures) likely will. It is crucial to hire a licensed and insured contractor who is familiar with New York State and local building codes, including fire-blocking requirements and proper ventilation standards for our area's humidity levels.

5My house feels drafty and my energy bills are high. Will new insulation alone solve this in my Manhasset home?

While upgrading insulation is a critical step, draftiness often points to air leaks in specific areas like windows, doors, and rim joists—common in our older housing stock. A comprehensive approach that includes an energy audit (often available through NYSERDA) to identify leaks, followed by targeted air sealing *before* adding new insulation, is the most effective strategy for significantly improving comfort and reducing those high heating and cooling bills.