The Best Insulation Contractors in Sag Harbor, NY

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

#1

Horizon Insulation Systems Inc.

4.8
(120 reviews)
Verified

A leading insulation contractor serving the Hamptons and North Fork, known for high-performance solutions for both new construction and retrofit projects. They are experts in creating tight building envelopes and are a go-to for architects and custom builders.

46 Commerce Dr, Riverhead, NY 11901

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Green Attic Insulation

4.7
(90 reviews)
Verified

Specializes in comprehensive attic services and energy efficiency upgrades for residential properties. They are highly rated for their customer service, thoroughness, and knowledge of available rebates and tax incentives.

25 Industrial Blvd, Unit 9, Medford, NY 11763

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation
Insulation removal and replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Sound Solutions Insulation & Air Sealing

4.6
(80 reviews)
Verified

A well-established local contractor focused on improving home comfort and reducing energy bills through advanced insulation and air sealing techniques. They are particularly skilled in handling the unique challenges of older, historic homes common in Sag Harbor.

45 Lumber Ln, East Hampton, NY 11937

Specialties & Features

Wall insulation services
Basement and crawl space insulation
Air sealing services

Business Information

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

Why These Are the Top Insulation Contractors in Sag Harbor

** The insulation market in Sag Harbor and the surrounding Hamptons area is a high-tier, specialized sector. The clientele often consists of homeowners with valuable properties, including historic homes and new luxury constructions, leading to a demand for premium materials and expert craftsmanship. The competition level is moderate but intense on quality rather than price. Contractors here must possess deep knowledge of local building codes, which are strict, especially in historic districts, and of the specific challenges posed by the coastal environment, such as humidity and salt air. Typical pricing is significantly above the national average, reflecting the high cost of living, the expertise required, and the quality of materials used. For example, spray foam insulation projects can range from $6,000 to $15,000+ for a typical home, while comprehensive attic air sealing and blown-in cellulose/fiberglass can range from $2,500 to $6,000. The top providers are distinguished by their professional certifications (like BPI), partnerships with premium product manufacturers, and their integration with the local high-end building and architectural community.

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 Sag Harbor regulations and climate

Frequently Asked Questions About Insulation in Sag Harbor

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

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

Sag Harbor's coastal climate, with cold, damp winters and humid summers, demands insulation that manages both temperature and moisture. We prioritize materials with high R-values for winter warmth and excellent vapor retarders to prevent mold from summer humidity and winter condensation. Addressing air sealing in our often older, historic homes is equally critical to stop energy loss from the strong coastal winds.

2How much does insulation installation typically cost for a home in Sag Harbor?

Costs vary significantly based on home size, age, and the chosen material (e.g., spray foam, cellulose, fiberglass), but Sag Harbor projects often range from $2,500 to $8,000+. Regional labor and material costs are above the national average. The best approach is to get itemized quotes from local providers that detail the R-value, square footage, and preparatory work, especially for historic homes which may require special techniques.

3Are there specific local regulations or historic preservation rules I need to know about before insulating?

Yes, absolutely. If your home is in the Sag Harbor Village Historic District or is a designated historic structure, you must consult with the Village Building Department and Historic Preservation Board. Exterior alterations to add insulation (like installing new siding over insulation) often require approval, and there may be restrictions on changing the home's exterior appearance. Always verify permit requirements with the village before starting work.

4What is the best time of year to schedule insulation work in Sag Harbor?

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 for effective air sealing. Scheduling in these shoulder seasons also ensures the work is completed before the peak heating and cooling demands of our humid summer and cold winter set in.

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

Look for a licensed and insured contractor with specific experience in both new construction and, crucially, retrofitting older Hamptons homes. They should perform a detailed energy audit or assessment first. Ask for local references in Sag Harbor and check reviews to see how they handle the unique challenges of historic properties, moisture management, and navigating local permit processes.