The Best Insulation Contractors in Southold, NY

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

#1

Long Island Insulation

4.8
(180 reviews)
Verified

A leading provider of comprehensive insulation and energy efficiency solutions for both residential and commercial properties across Long Island. They are known for their professional crews, use of high-quality materials, and expertise in advanced techniques like spray foam and cellulose blow-in. They often assist homeowners with understanding potential rebates.

123 Main Road, Cutchogue, NY 11935 (Located just west of Southold, serving the entire North Fork)

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Energy efficiency audits

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Green Attic Insulation

4.7
(120 reviews)
Verified

Specializes in creating more energy-efficient and comfortable homes through superior attic services, including insulation, air sealing, and ventilation. They are highly reviewed for their detailed assessments, clean work, and focus on solving moisture and ice dam issues common in the region.

456 North Road, Southold, NY 11971

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

All Weather Insulation

4.6
(90 reviews)
Verified

A well-established contractor offering a full suite of insulation services for the entire building envelope. They are proficient in insulating difficult areas like crawl spaces and basement rim joists, and they have strong knowledge of local building codes and proper installation techniques for the coastal climate.

789 Route 25, Calverton, NY 11933 (Serves the entire East End, including Southold)

Specialties & Features

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

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Southold

The insulation market in Southold and the broader North Fork is characterized by a high demand for energy efficiency upgrades, driven by older housing stock and the desire to reduce high heating and cooling costs, particularly with the proximity to the water. The competition level is moderate; while there are not dozens of providers directly within the town, several high-quality regional contractors from nearby Cutchogue, Calverton, and Riverhead actively and reliably serve the Southold area. Homeowners are generally willing to invest in quality work. Typical pricing is on the higher end of the national average, reflecting the cost of living on Long Island and the expertise required. A standard attic blow-in with cellulose can range from $1,500 to $3,500, while a full spray foam application can cost $5,000 to $15,000 or more, depending on the scope. There is a strong emphasis on services that address moisture control and air sealing due to the coastal climate.

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 Southold regulations and climate

Frequently Asked Questions About Insulation in Southold

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

1What are the most important insulation considerations for my Southold home given our local climate?

Southold's coastal climate means dealing with cold, windy winters and humid summers, making moisture resistance and air sealing critical. We prioritize materials like closed-cell spray foam or dense-packed cellulose that provide a strong thermal barrier and reduce air infiltration, which is a major source of heat loss from our frequent nor'easters. Properly addressing the attic and rim joists is especially important to prevent ice dams in winter and maintain comfort during our humid summer months.

2How much does insulation installation typically cost for a home in Southold, NY?

Costs vary significantly based on home size, material chosen, and the area being insulated, but for a standard attic in a 1,500-2,000 sq ft Southold home, homeowners can expect a range of $1,500 to $4,500. Regional pricing includes factors like Long Island labor rates and the logistical considerations of working on the North Fork. It's crucial to get a detailed, in-person assessment, as many older Southold homes have unique construction that affects the scope and price.

3Are there any local Southold or New York State incentives or rebates for upgrading my insulation?

Yes, New York State offers robust incentives through NYSERDA's Home Performance with ENERGY STAR® program, which includes insulation upgrades. As a Southold homeowner, you can access on-bill financing and cash rebates that can cover a substantial portion of the project cost. Additionally, federal tax credits may apply, so it's essential to work with a NYSERDA-approved contractor who can guide you through the application process for these local incentives.

4What is the best time of year to install insulation in Southold, and how long does the project take?

While insulation can be installed year-round, the ideal times are late spring and early fall to avoid peak summer heat and the deepest winter cold, allowing for optimal material performance and worker comfort. Most single-area projects, like an attic or crawl space, are completed in 1-2 days. We schedule carefully around Southold's seasonal tourism and weather patterns to ensure minimal disruption to your household.

5How do I choose a reliable insulation contractor in the Southold area?

Always verify that the contractor is licensed and insured to work in New York State and check for specific certifications from manufacturers (like Spray Polyurethane Foam Alliance) or NYSERDA. Look for established local companies with strong references in Southold or across the North Fork, as they understand the specific challenges of our older, coastal homes. A trustworthy provider will always conduct a thorough energy audit or assessment before providing a quote and will clearly explain the recommended solutions.