The Best Insulation Contractors in Old Bethpage, NY

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

#1

All Island Group

4.8
(250 reviews)
Verified

A highly-rated, full-service insulation and home performance contractor serving Long Island for over two decades. They are known for comprehensive energy audits and advanced solutions like spray foam and cellulose insulation. They are a BPI (Building Performance Institute) certified company, which is a gold standard for energy efficiency work.

75 Sherwood Ave, Syosset, NY 11791 (Approx. 4 miles from Old Bethpage)

Specialties & Features

Energy efficiency audits
Spray foam insulation
Air sealing services

Business Information

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

Long Island Spray Foam Insulation

4.7
(180 reviews)
Verified

This provider specializes in modern insulation techniques, particularly spray foam and blown-in insulation. They focus on creating airtight seals in attics, walls, and crawl spaces to maximize energy savings and comfort. Their strong reputation is built on technical expertise in foam application.

75 Commerce Dr, Unit 8, Hauppauge, NY 11788 (Serves Nassau County, including Old Bethpage)

Specialties & Features

Spray foam insulation
Blown-in insulation
Crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Long Island Home Sealing and Insulation

4.6
(150 reviews)
Verified

A dedicated contractor focusing on the critical combination of air sealing and insulation. They offer a wide range of services from attic insulation upgrades to basement insulation and removal/replacement of old insulation. They are well-versed in local building codes and available energy rebate programs.

516 Long Beach Rd, Massapequa, NY 11758 (Approx. 5 miles from Old Bethpage)

Specialties & Features

Attic insulation installation
Insulation removal and replacement
Air sealing services

Business Information

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

Why These Are the Top Insulation Contractors in Old Bethpage

** The insulation market in Old Bethpage and the surrounding Nassau County area is characterized by a high demand for energy efficiency upgrades, driven by older housing stock (many homes built mid-20th century) and significant heating and cooling costs. The competition level is moderate to high, with several established players, but the barrier to entry is significant due to the need for specialized equipment and certifications. The average quality of service is high among the top-tier contractors, who are typically BPI-certified and familiar with programs from local utilities like PSEG Long Island, which offer rebates for energy-efficient upgrades. Pricing is typically at a premium compared to national averages, reflecting the higher cost of labor and materials in the Long Island region. Homeowners should expect detailed quotes that often include a pre-work energy audit to accurately diagnose issues and quantify potential savings. The market is well-regulated, and reputable providers are consistently licensed, insured, and emphasize building code compliance.

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 Old Bethpage regulations and climate

Frequently Asked Questions About Insulation in Old Bethpage

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

1What are the most important insulation upgrades for Old Bethpage homes given our local climate?

Given Old Bethpage's humid summers and cold, windy winters, the most impactful upgrades are air sealing and adding attic insulation. Air sealing prevents moist summer air from entering and condensing in wall cavities, which can cause mold, while adequate attic insulation (typically to R-49 or higher) is critical for retaining heat against our winter nor'easters. Basement rim joist and crawl space insulation are also highly recommended to combat cold floors and prevent pipes from freezing.

2How much does insulation installation typically cost for a home in Old Bethpage?

Costs vary significantly based on home size, material (e.g., cellulose, fiberglass, spray foam), and area insulated, but homeowners in Nassau County can expect a typical attic insulation project to range from $1,500 to $4,500. It's important to get multiple itemized quotes, as Long Island's higher labor and material costs can influence pricing. Remember, New York State and local utility programs (like PSEG Long Island rebates) often offer significant incentives that can reduce your final cost by 30% or more.

3When is the best time of year to schedule insulation work in Old Bethpage?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for proper installation of many materials and allows for adequate attic ventilation during the work. Scheduling in these off-peak seasons also ensures better availability from local contractors compared to the late fall rush when homeowners are preparing for winter.

4What should I look for when choosing an insulation contractor in Nassau County?

Always verify the contractor is licensed and insured to work in New York State. Choose a provider with specific experience in Long Island's older housing stock, common in Old Bethpage, as they will understand challenges like knob-and-tube wiring or plaster walls. Check for certifications from manufacturers (like Owens Corning) and ask for references from recent local projects to ensure they are familiar with Nassau County's building codes and inspection requirements.

5Are there any local regulations or permits required for insulation work in Old Bethpage?

Yes, most insulation projects that alter the building envelope require a permit from the Town of Oyster Bay. A licensed contractor will typically handle this. Crucially, if your home was built before 1980, an asbestos inspection is strongly recommended before disturbing existing insulation in walls or attics, as it was commonly used. Proper disposal of old materials must follow NY State DEC regulations, which a reputable local contractor will manage.