The Best Insulation Contractors in Mastic, NY

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

#1

All Seasons Insulation & Waterproofing

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated contractor specializing in comprehensive insulation and energy efficiency solutions for residential and commercial properties. They are known for their professional crews, clear communication, and expertise in both traditional and modern insulation methods like spray foam.

2 Kobalt Blvd, Suite 305, Shirley, NY 11967 (Located in the adjacent hamlet, serving Mastic directly)

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Crawl space encapsulation

Business Information

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

Long Island Home Improvement Solutions

4.7
(120 reviews)
Verified

A versatile and reputable contractor offering a wide range of exterior and interior services, with a strong specialization in insulation and energy efficiency upgrades. They are praised for their knowledge of local building codes and ability to help homeowners navigate available rebates.

22 Rampasture Rd, Mastic, NY 11950

Specialties & Features

Blown-in attic insulation
Insulation removal and replacement
Energy efficiency audits

Business Information

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

Long Island Spray Foam Insulation

4.6
(90 reviews)
Verified

As the name implies, this provider is a specialist focused primarily on spray foam applications. They are experts in creating airtight seals in new construction and retrofit projects, offering both open-cell and closed-cell foam options to maximize energy savings.

14 Eaver St, Patchogue, NY 11772 (Serves all of Suffolk County, including Mastic)

Specialties & Features

Spray foam insulation
Air sealing services
Basement and crawl space insulation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Mastic

** The insulation market in Mastic and the surrounding South Shore of Brookhaven is competitive and service-oriented, driven by the region's climate with cold winters and humid summers. The average quality of providers is good, with a mix of large regional players and smaller, specialized local contractors. Homeowners are increasingly aware of energy efficiency, leading to high demand for attic insulation upgrades and air sealing services. **Competition Level:** Moderate to High. While there are many general contractors, the number of specialists with strong reputations for insulation is more concentrated, giving the top-tier providers consistent business. **Typical Pricing:** Pricing is aligned with the higher cost of living on Long Island. * **Blown-In Cellulose/Fiberglass Attic Insulation:** $1,500 - $4,000 for an average home. * **Spray Foam Insulation:** $3,000 - $7,500+ depending on the area (open-cell is less expensive than closed-cell) and R-value required. * **Wall Insulation (Blown-In):** $1,000 - $3,500 depending on the number of walls and accessibility. * **Energy Audit:** $300 - $600, often applied as a credit if further work is done. Homeowners are advised to seek multiple quotes and verify NYS Home Improvement licensing and insurance for any contractor they consider. Many providers can also advise on potential rebates through programs like the NYSERDA EmPower+ program or incentives from local utility PSEG Long Island.

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 Mastic regulations and climate

Frequently Asked Questions About Insulation in Mastic

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

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

For our Long Island climate with cold winters and humid summers, blown-in cellulose or fiberglass in attics and walls is often the most cost-effective. It provides excellent thermal performance and air sealing, which is crucial for energy efficiency. Spray foam offers superior air sealing and higher R-value per inch but comes at a higher upfront cost, though it can lead to significant long-term savings on heating and cooling bills.

2When is the best time of year to get insulation installed in Mastic?

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 like spray foam that require specific temperature ranges for proper application. Scheduling during these shoulder seasons also avoids the peak summer heat and winter rush, potentially leading to better availability and scheduling flexibility with local contractors.

3Are there any specific building codes or rebates in Suffolk County, NY, that I should know about before insulating?

Yes, insulation work in Mastic must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets minimum R-value requirements for different parts of your home. Furthermore, homeowners should actively check for rebates from the New York State Energy Research and Development Authority (NYSERDA) and potential incentives from local utilities like PSEG Long Island, which can significantly offset project costs for eligible upgrades.

4How do I choose a reliable insulation contractor in the Mastic area?

Always choose a licensed and insured contractor specializing in insulation. Look for providers with strong local references in Suffolk County and ask if they perform a pre-installation energy assessment, which is a best practice. Be wary of door-to-door sales with high-pressure tactics; reputable local companies will provide detailed, written estimates that include the type of material, R-value, square footage, and a clear scope of work.

5My older Mastic home feels drafty. Will adding insulation alone solve my comfort issues?

Not always. While adding insulation is critical, air sealing is equally important, especially in older homes where gaps, cracks, and penetrations can let in cold, damp air from the coastal climate. A professional assessment should identify and seal these leaks first—often in the attic, basement, and around windows/doors—before adding new insulation. This comprehensive approach, known as the "house-as-a-system," is key to maximizing comfort and efficiency.