The Best Insulation Contractors in East Setauket, NY

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

#1

All Weather Insulation Contractors

4.8
(150 reviews)
Verified

A well-established and highly-rated local contractor specializing in a comprehensive suite of insulation services. They are known for their expertise in both spray foam and blown-in cellulose/fiberglass, and they emphasize energy efficiency and air sealing to maximize home performance. They are a go-to provider for attic and basement projects in the Three Village area.

10 Technology Drive, Suite I, East Setauket, NY 11733

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Energy efficiency audits

Business Information

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

Superior Insulators

4.7
(120 reviews)
Verified

Superior Insulators has a strong reputation on Long Island for professional and clean installation services. They offer a wide range of solutions including insulation removal and replacement, which is a critical service for older homes in the area. They are certified installers for leading insulation brands and are knowledgeable about local building codes and utility rebates.

15 Helen Ave, Smithtown, NY 11787 (Serves East Setauket)

Specialties & Features

Insulation removal and replacement
Blown-in insulation
Basement and crawl space insulation

Business Information

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

Long Island Insulation Company

4.6
(90 reviews)
Verified

This company focuses heavily on retrofitting existing homes with modern, high-performance insulation. They are particularly skilled in dense-pack wall insulation and attic air sealing, making them an excellent choice for homeowners looking to improve comfort and reduce energy bills in older properties common in East Setauket.

25 Oser Ave, Hauppauge, NY 11788 (Serves Suffolk County, including East Setauket)

Specialties & Features

Wall insulation services
Air sealing
Blown-in cellulose insulation

Business Information

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

Why These Are the Top Insulation Contractors in East Setauket

The insulation market in East Setauket and the broader Three Village area is characterized by a mix of older colonial-style homes and newer constructions, driving demand for both retrofit upgrades and new installation. The competition is moderate, with a handful of established local specialists and several larger regional companies serving the area. The average quality of service is high, as homeowners in this market tend to value expertise, certifications (like BPI), and knowledge of local utility rebates from PSEG Long Island. Typical pricing is aligned with the higher cost of living on Long Island. As a general guide: * **Blown-in Attic Insulation:** $1,500 - $4,000 * **Spray Foam Insulation (Open Cell):** $2.50 - $4.50 per board foot (closed cell is higher) * **Wall Insulation (Dense-Pack):** $3,000 - $7,000 for an average home * **Insulation Removal:** $1 - $3 per square foot of removed material Homeowners are increasingly seeking comprehensive energy solutions that combine insulation with air sealing, making companies that offer integrated services the most competitive.

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 East Setauket regulations and climate

Frequently Asked Questions About Insulation in East Setauket

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

1What is the most cost-effective type of insulation for my older East Setauket home, and what should I expect to pay?

For older homes common in East Setauket, blown-in cellulose or fiberglass in attics and walls is often the most cost-effective retrofit solution, balancing performance and price. Costs vary significantly based on home size and existing conditions, but homeowners can expect a typical attic insulation project to range from $1,500 to $4,000. It's crucial to get a detailed, in-person assessment from a local contractor, as Long Island's labor and material costs are above the national average, but the investment is offset by substantial savings on heating bills during our cold, damp winters and AC costs in humid summers.

2When is the best time of year to install insulation in East Setauket, and how long does the project typically take?

The ideal time is during the shoulder seasons of late spring (April-May) or early fall (September-October), when attic temperatures are more moderate for installers and your HVAC system isn't under peak strain. Most single-family home projects, like attic air sealing and insulation, are completed in 1-2 days. Planning ahead for these periods is wise, as local contractors book up quickly before winter, which is when many homeowners first notice drafts and high bills in our coastal climate.

3Are there specific building codes or insulation requirements in Suffolk County or East Setauket that I need to be aware of?

Yes, insulation work must comply with the New York State Energy Conservation Construction Code (NYSECCC), which adopts the International Energy Conservation Code (IECC) with state amendments. For East Setauket in Climate Zone 4, this specifies minimum R-value requirements (e.g., R-49 for attic insulation). Reputable local contractors will pull any necessary permits from the Town of Brookhaven and ensure compliance, which is important for both safety and if you plan to sell your home. Some local utility rebates also require code compliance.

4How do I choose a reliable insulation contractor in the East Setauket area, and what questions should I ask?

Start by verifying they are licensed and insured to work in Suffolk County, and look for established local companies with strong reviews on community-focused platforms. Ask for proof of their certification from manufacturers like Owens Corning or CertainTeed, and insist on a detailed written estimate that includes air sealing, material R-values, and labor. Crucially, ask if they perform a pre-installation energy assessment and check for moisture issues, which are common in our area due to humidity and nor'easters, to prevent future mold or rot.

5My house feels drafty and cold in winter but very humid in summer. Can new insulation really help with both issues?

Absolutely. Proper insulation, when paired with comprehensive air sealing, is the primary defense against East Setauket's seasonal extremes. It stabilizes indoor temperatures by reducing heat loss in winter and heat gain in summer, directly lowering energy bills. More importantly, by sealing the building envelope, it reduces infiltration of humid outdoor air in summer and cold, dry air in winter, which allows your HVAC system to better control indoor humidity levels, enhancing year-round comfort and preventing moisture-related damage.