The Best Window Installers in Greenlawn, NY

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

#1

Renewal by Andersen of Long Island

4.7
(450 reviews)
Verified

As the local branch of a national premium brand, they specialize exclusively in high-quality, custom-made, energy-efficient replacement windows and doors. They are known for a full-service approach, from in-home consultation to professional installation and warranty backing.

325 Kennedy Dr, Unit 2, Hauppauge, NY 11788 (Primary location serving all of Long Island, including Greenlawn)

Specialties & Features

Custom window replacement
Energy-efficient windows
Full-frame installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

The Window Man of Long Island

4.8
(180 reviews)
Verified

A family-owned and operated business with a strong focus on personalized service and high-quality craftsmanship for window replacement, repair, and installation. They receive consistent praise for their attention to detail, reliability, and expertise with various window types, including historical properties.

Serves all of Long Island from their central Suffolk base. (While a specific Greenlawn street address isn't listed, they are a mobile service provider extensively covering the area.)

Specialties & Features

Residential window replacement
Window repair services
Custom window solutions

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Energy Windows & Exteriors

4.6
(120 reviews)
Verified

This provider has built a strong reputation on combining energy efficiency with aesthetic home improvement. They offer a wide range of window brands and styles, focusing on helping homeowners reduce energy costs while improving curb appeal. They are known for storm and impact-resistant window options.

641 Johnson Pl, Unit 6, Ronkonkoma, NY 11779 (Serves Nassau and Suffolk, including Greenlawn)

Specialties & Features

Energy-efficient windows
Storm windows and security windows
New construction installation

Business Information

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

Why These Are the Top Windows Contractors in Greenlawn

** The window service market in Greenlawn and the surrounding North Shore of Long Island is competitive and characterized by a high standard of quality. Homeowners in this area typically own older, character-rich homes alongside newer constructions, driving demand for both custom historical reproductions and modern, energy-efficient solutions. The market is split between large, branded franchises (like Renewal by Andersen) and highly-regarded local/regional contractors. Pricing is generally at a premium compared to national averages, reflecting the high cost of living, stringent building codes, and the demand for quality materials and skilled labor. Consumers are generally well-informed and place a significant emphasis on energy efficiency due to Long Island's climate, as well as on professional installation and robust warranties. The top-tier providers distinguish themselves through craftsmanship, customer service, and the quality of their products rather than on price alone.

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 Greenlawn regulations and climate

Frequently Asked Questions About Windows in Greenlawn

Get answers to common questions about windows services in Greenlawn, New York.

1What is the typical cost range for a full window replacement on a home in Greenlawn, and what factors influence the price?

For a standard double-hung vinyl window replacement in Greenlawn, homeowners can expect to pay between $800 and $1,200 per window, including professional installation. Key factors affecting cost include the window material (vinyl, wood, fiberglass), the size and style (e.g., picture windows, bays), and the condition of the existing frame. Local factors like Suffolk County's high labor costs and potential historic district requirements in parts of Greenlawn can also influence the final price.

2When is the best time of year to schedule a window installation in Greenlawn, NY?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for a proper sealant application and allows your home to be temporarily open during installation. Scheduling in the off-peak seasons (late fall or winter) can sometimes secure better pricing or faster scheduling, but you must work with a contractor experienced in cold-weather installations to manage the challenges of Long Island's winter winds and precipitation.

3Are there specific building codes or permits required for window replacement in Greenlawn?

Yes, in most cases. The Town of Huntington, which includes Greenlawn, generally requires a building permit for window replacements that involve any structural change to the opening. Crucially, all new installations must comply with New York State's stringent energy codes, which mandate specific performance ratings for U-factor and Solar Heat Gain Coefficient (SHGC) to ensure efficiency. A reputable local installer will handle the permit process and ensure all windows meet these local and state requirements.

4How do I choose a reliable window installation contractor in the Greenlawn area?

Always verify that the contractor is licensed and insured to work in the Town of Huntington. Seek out companies with strong local references and a physical address on Long Island, as they are more familiar with our coastal climate challenges. Check for manufacturer-specific certifications (like from Andersen or Pella) and review their standing with the Better Business Bureau. Be wary of door-to-door sales or high-pressure tactics, especially after significant local storms.

5Given Greenlawn's climate, what window features are most important for energy efficiency and durability?

For our humid, coastal climate with cold winters and hot summers, look for windows with a low U-factor for insulation and a low-e coating to manage solar heat gain. Durability is key; consider materials like fiberglass or vinyl with robust weatherstripping to withstand salt air and humidity. Impact-resistant glass or sturdy construction is also a wise consideration for storm protection, aligning with local building resilience recommendations in Suffolk County.