The Best Insulation Contractors in Garden City, NY

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

#1

Attic Doctor

4.8
(200 reviews)
Verified

A highly specialized contractor focusing primarily on attic services, including insulation, air sealing, and ventilation. They are well-regarded for their expertise in energy efficiency and their use of advanced diagnostic tools like thermal imaging. They are a certified BPI (Building Performance Institute) contractor and work closely with local utility rebate programs.

91 N Franklin St, Hempstead, NY 11550 (Approximately 2 miles from Garden City)

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Energy efficiency audits

Business Information

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

Long Island Home Solutions

4.7
(150 reviews)
Verified

A full-service insulation and energy efficiency company serving all of Long Island. They offer a comprehensive range of services from spray foam and blown-in insulation to complete insulation removal. They are known for professional project management and expertise in both residential and commercial properties.

1157 Route 109, Lindenhurst, NY 11757 (Serves the Garden City area)

Specialties & Features

Spray foam insulation
Blown-in insulation installation
Insulation removal and replacement

Business Information

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

All Island Group

4.6
(180 reviews)
Verified

A well-established and versatile contractor offering a wide array of home services, with a dedicated and highly-rated insulation division. They handle everything from basement and crawl space insulation to wall insulation and energy audits. Their longevity and broad service range make them a reliable, one-stop-shop for many homeowners.

175 E 2nd St, Mineola, NY 11501 (Approximately 2 miles from Garden City)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Spray foam insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Garden City

** The insulation market in Garden City, New York, is competitive and characterized by a high demand for energy efficiency upgrades. The housing stock consists of a mix of historic homes and newer constructions, driving the need for specialized services that respect older building methods while implementing modern materials. The market quality is generally high, with several reputable, long-standing contractors holding necessary licenses and certifications like BPI, which is crucial for accessing utility rebates from providers like PSEG Long Island. Competition is strong, which helps maintain service quality and keeps pricing in check. Typical pricing varies significantly based on the project scope and material. For example, blown-in cellulose for an attic can range from $1,500 to $4,500, while a full spray foam application can cost $5,000 to $15,000 or more. Homeowners are generally well-informed and value contractors who can navigate local building codes and rebate programs, making expertise in energy auditing and air sealing a significant competitive advantage in this market.

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 Garden City regulations and climate

Frequently Asked Questions About Insulation in Garden City

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

1What is the most cost-effective type of insulation for my Garden City home given our local climate?

For our climate with cold winters and humid summers, blown-in cellulose or fiberglass in attics and dense-packed cellulose in walls are highly cost-effective. They provide excellent thermal performance and air sealing, which is crucial for managing both heating costs in winter and humidity/dehumidification costs in summer. Spray foam offers superior air sealing and R-value per inch but comes at a higher upfront cost, though it can be a worthwhile long-term investment.

2Are there any local Garden City or New York State regulations or rebates I should know about before insulating?

Yes, Garden City homeowners must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets minimum R-value requirements for different parts of your home. Critically, you may be eligible for significant rebates and incentives through NYSERDA's EmPower+ program and federal tax credits, which can offset 30% of the project cost up to $1,200 annually. A qualified local installer will be familiar with these programs and can help you apply.

3When is the best time of year to schedule insulation work in Garden City?

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 have specific temperature and humidity application requirements. Scheduling during these shoulder seasons also ensures your home is prepared for peak heating and cooling seasons and helps you avoid the busy winter rush for contractors.

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

Look for a licensed and insured contractor with specific experience in Nassau County homes, which often have unique construction features. Verify they are a NYSERDA Participating Contractor, as this ensures they are trained on the latest standards and rebate programs. Always ask for local references in Garden City or nearby villages and check reviews to confirm their reputation for quality workmanship and clear communication.

5My older Garden City home feels drafty. Should I focus on the attic or the walls first?

In almost all cases, the attic is the priority. Heat rises, and a poorly insulated attic is the single largest source of heat loss in winter and heat gain in summer for homes in our area. Adding or upgrading attic insulation (and ensuring proper air sealing) typically provides the fastest return on investment and greatest comfort improvement. After addressing the attic, a professional energy audit can identify if wall insulation is the necessary next step.