The Best Insulation Contractors in Jamesport, NY

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

#1

All Seasons Insulation Corp.

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated insulation contractor serving Long Island for over two decades. They are known for their professionalism, expertise in a wide range of insulation types, and strong focus on improving home energy efficiency. They often work in conjunction with other home performance contractors.

34 Oser Ave, Hauppauge, NY 11788 (Serves all of Suffolk County, including Jamesport)

Specialties & Features

Spray foam insulation
Blown-in insulation
Attic insulation upgrades

Business Information

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

LI Green Homes & Energy

4.7
(90 reviews)
Verified

Specializes in comprehensive home energy solutions with a strong emphasis on insulation and air sealing. They are a certified BPI (Building Performance Institute) company, which indicates a high level of expertise in building science and energy audits. This makes them an excellent choice for homeowners seeking a holistic approach to energy savings.

27 Maryanne Dr, Miller Place, NY 11764 (Serves the North Fork and Jamesport area)

Specialties & Features

Energy efficiency audits
Air sealing services
Insulation removal and replacement

Business Information

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

Suffolk County Insulation

4.6
(130 reviews)
Verified

A well-established local contractor that focuses specifically on insulation services for residential and commercial properties. They have a strong local presence and are recognized for their reliable service and knowledge of local building codes and climate challenges. They offer both new installation and retrofit services.

225 Middle Country Rd, Smithtown, NY 11787 (Services the entire Suffolk County region)

Specialties & Features

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

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Jamesport

** The insulation market serving Jamesport, NY, is characterized by a few key factors. The housing stock includes a mix of historic homes, newer constructions, and a significant number of older properties that are prime candidates for energy efficiency upgrades. Due to its coastal location, resistance to moisture and humidity is a critical consideration, making spray foam and properly vented batt insulation popular choices. The competition level is moderate but specialized. While there are many general contractors, the top-tier providers are those, like the ones listed, who specialize in insulation and building performance. These companies differentiate themselves through certifications (BPI, ENERGY STAR® Partner), advanced diagnostic tools (blower door tests, thermal imaging), and expertise in accessing state and utility rebates, such as those from PSEG Long Island. Typical pricing is on the higher end compared to national averages, reflecting the higher cost of living and business operations on Long Island. As a rough guide, attic insulation projects can range from $1,500 to $4,500, whole-house wall insulation (blown-in) from $3,000 to $8,000, and spray foam projects can start at $2,500 for a small crawl space and exceed $10,000 for an entire attic. The high quality of service and materials from reputable local providers generally justifies the investment through significant long-term energy savings and improved home comfort.

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 Jamesport regulations and climate

Frequently Asked Questions About Insulation in Jamesport

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

1What is the most cost-effective type of insulation for my older Jamesport home, considering our local climate?

For the humid summers and cold, damp winters of the North Fork, spray foam insulation often provides the best long-term value for older homes. It creates an air-seal that combats moisture intrusion—a key concern in our coastal climate—while offering a high R-value per inch, crucial for meeting New York's strict energy codes (2020 ECCCNYS). While the upfront cost is higher than batts, the energy savings and moisture control on Long Island make it a wise investment.

2When is the best time of year to schedule insulation work in Jamesport?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for certain insulation materials that require specific temperature ranges for proper installation. Scheduling during these shoulder seasons also avoids the peak summer demand for contractors and the potential for winter weather delays, ensuring your project is completed efficiently before the heating season begins.

3Are there any local Jamesport or Suffolk County regulations or rebates I should know about before insulating?

Yes. All work must comply with the New York State Energy Conservation Construction Code. More importantly, you should explore rebates from the Long Island Green Homes program and PSEG Long Island, which offer incentives for energy efficiency upgrades that can significantly offset project costs. Additionally, if your Jamesport home is in a historic district, you may need to consult local guidelines for exterior work that could alter the home's appearance.

4How do I choose a reliable insulation contractor serving the Jamesport area?

Prioritize contractors who are licensed and insured in New York State and have specific experience with homes in our coastal environment. Ask for local references in Jamesport or nearby North Fork towns to verify their work on similar home styles and ask about their knowledge of dealing with basement/crawlspace moisture. Always get 2-3 detailed, written estimates that specify the insulation type, R-value, and scope of air-sealing work.

5My attic gets extremely hot in summer and cold in winter. Will adding insulation there make a big difference?

Absolutely. In Jamesport, attic insulation is one of the most impactful upgrades you can make. Properly air-sealing and insulating your attic to the recommended R-49 to R-60 for our climate zone (4A) prevents conditioned air from escaping, reducing strain on your HVAC system. This directly lowers energy bills year-round and increases comfort by minimizing temperature extremes that radiate into your living spaces from the attic.