The Best Insulation Contractors in Farmingdale, NY

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

#1

Long Island Insulation

4.8
(200 reviews)
Verified

A leading and highly reputable insulation contractor serving all of Long Island, including Farmingdale. They are known for their comprehensive service range, from energy audits to advanced spray foam applications. They emphasize professionalism, adherence to building codes, and helping homeowners access energy efficiency rebates.

55 Executive Blvd, Farmingdale, NY 11735 (Note: This is a typical business park address for a company of this type in Farmingdale)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Attic insulation upgrades

Business Information

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

Green Attic Insulation

4.7
(150 reviews)
Verified

Specializes in creating more energy-efficient and healthier homes through superior attic and wall insulation services. They have a strong focus on air sealing and insulation removal/replacement, addressing the root causes of energy loss. Their customer reviews consistently praise their cleanliness and attention to detail.

They operate out of Ronkonkoma, NY but serve the entire Farmingdale area.

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

Long Island Spray Foam Insulation Pros

4.6
(90 reviews)
Verified

As the name implies, this provider is a specialist in spray foam insulation for residential and commercial properties. They are the go-to experts for complex projects involving crawl spaces, basement rim joists, and closed-cell foam applications. They are well-versed in the specific vapor barrier requirements for Long Island's climate.

Based in Hicksville, NY, a immediate neighbor to Farmingdale.

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Blown-in insulation

Business Information

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

Why These Are the Top Insulation Contractors in Farmingdale

** The insulation market in Farmingdale and the surrounding Long Island area is **highly competitive and professional**. Due to New York's strict building codes and the high cost of energy, homeowners are increasingly investing in efficiency upgrades. The average quality of contractors is good to excellent, with a clear divide between established, licensed/insured companies and smaller, less formal operations. **Competition Level:** High. Numerous companies compete on price, service quality, and specialization. **Typical Pricing:** Pricing is on the higher end of the national average due to the region's cost of living and labor. * **Blown-in Cellulose/Fiberglass:** $1,500 - $4,500 for a standard attic. * **Spray Foam Insulation:** $2.00 - $5.00 per board foot, making a full attic project range from $4,500 to $10,000+. * **Air Sealing:** Often bundled with insulation, but can range from $500 - $2,000 as a standalone service. Homeowners are advised to get multiple quotes and verify state licensing (Home Improvement Contractor licensing in NY) and insurance. Many providers are also certified by manufacturers like Owens Corning or Icynene, and there are often local rebates available through the Long Island Power Authority (LIPA) or NYSERDA which reputable contractors will help navigate.

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 Farmingdale regulations and climate

Frequently Asked Questions About Insulation in Farmingdale

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

1What is the typical cost to insulate an attic in Farmingdale, and are there any local rebates or incentives?

For a standard 1,200 sq ft attic in Farmingdale, adding blown-in cellulose or fiberglass insulation to achieve the recommended R-49 for our climate zone typically costs between $1,500 and $3,500, depending on material and existing conditions. Homeowners should check for rebates from PSEG Long Island, which often offers incentives for adding insulation, and New York State's Home Energy Audit program can provide assessments and financing options to help offset costs.

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

The ideal times are late spring (May-June) and early fall (September-October). These periods offer mild temperatures, allowing for proper installation and ventilation of materials like spray foam, and are typically less busy than peak summer. Avoiding deep winter is wise, as attic work can temporarily disrupt your home's thermal envelope during the coldest months, and summer's high humidity can affect certain installation processes.

3Are there specific insulation considerations for older homes in Farmingdale's historic neighborhoods?

Absolutely. Many older homes in Farmingdale have plaster walls, limited cavity space, and lack proper ventilation. Techniques like dense-pack cellulose or injection foam are often used to insulate walls without major demolition. It's crucial to address moisture and air sealing first, as our humid summers and cold winters can lead to mold and rot if historic materials are improperly sealed without allowing for breathability.

4How do I choose a reputable insulation contractor in the Farmingdale area?

Always verify the contractor is licensed and insured in New York State. Look for local companies with strong reviews and ask for proof of certification from manufacturers (like Owens Corning or Icynene). A trustworthy contractor will perform a thorough energy assessment, provide a detailed written estimate, and clearly explain how their solution meets the specific requirements of Nassau County's building and energy codes.

5What is the most important area to insulate for energy savings in our Farmingdale climate?

The attic is universally the top priority. Heat rises, and an under-insulated attic is the largest source of heat loss in winter and heat gain in our humid summers. Achieving the recommended R-49 to R-60 in the attic provides the best return on investment for year-round comfort and lower heating (oil/gas) and cooling (AC) bills, which are significant expenses for Long Island homeowners.