The Best Window Installers in Old Westbury, NY

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

#1

Window King

4.8
(200 reviews)
Verified

A highly-rated, family-owned and operated window and door replacement company serving Long Island. They are known for their personalized service, high-quality products (including energy-efficient options from leading manufacturers), and professional installation crews. They specialize in both standard and custom residential projects.

200 Robbins Ln, Syosset, NY 11791 (Approx. 5 miles from Old Westbury)

Specialties & Features

Energy-efficient windows
Custom window solutions
New window installation

Business Information

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

All Island Group

4.7
(150 reviews)
Verified

A well-established and comprehensive home improvement contractor serving Nassau and Suffolk counties. They have a strong reputation for handling large-scale projects, including high-end window replacements and custom installations for the luxury market. They offer a wide range of window styles and materials.

70 E Jefryn Blvd, Deer Park, NY 11729 (Approx. 15 miles from Old Westbury)

Specialties & Features

Residential window replacement
Custom window solutions
Storm windows and security windows

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Renewal by Andersen of Long Island

4.6
(250 reviews)
Verified

As the local branch of a national brand, they offer the reliability of a well-known manufacturer and installer. They specialize in their own proprietary, high-performance, custom-made windows. This is a premium service focused on a seamless process from consultation to installation, often appealing to homeowners seeking a trusted brand name and robust warranties.

255 Knickerbocker Ave, Bohemia, NY 11716 (Approx. 30 miles, but serves the entire Long Island area, including Old Westbury)

Specialties & Features

Custom window solutions
Energy-efficient windows
New window installation

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Old Westbury

** The windows market in Old Westbury, NY, is a high-tier, specialized segment of the broader Long Island home improvement industry. The quality expectation is exceptionally high, driven by the prevalence of multi-million dollar homes, historic properties, and owners who prioritize long-term value, energy savings, and aesthetic integrity. The competition is strong among top-tier contractors, but it is not a saturated, low-price market. Providers must demonstrate expertise in handling complex installations, preserving architectural details, and offering premium materials like wood, fiberglass, and clad-wood combinations, often with custom colors and finishes. Typical pricing is well above the national average. A full-home window replacement project in Old Westbury can easily range from $20,000 to $75,000+, depending on the size of the home, the quality of the windows selected (e.g., standard vinyl vs. custom wood-clad), and the complexity of the installation. Energy efficiency is not just a selling point but a baseline requirement for most clients, given the region's climate and energy costs. The most successful providers in this area are those that combine technical expertise with the customer service and project management skills expected by a discerning clientele.

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 Old Westbury regulations and climate

Frequently Asked Questions About Windows in Old Westbury

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

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

For a high-end community like Old Westbury, a full home window replacement typically ranges from $20,000 to $60,000+, depending on the home's size and window count. Key cost factors include the choice of premium materials (like wood-clad or fiberglass), custom sizes and shapes common in historic or estate homes, and high-performance glazing for our Northeastern climate. Additional costs can arise from meeting local historic preservation guidelines or repairing rotted wood frames, which are common in older Nassau County homes.

2How does the Old Westbury climate and local building code affect my choice of new windows?

Old Westbury's humid summers and cold, windy winters make energy efficiency a top priority. We recommend windows with a low U-factor and low Solar Heat Gain Coefficient (SHGC) to retain heat in winter and block heat in summer. Furthermore, Nassau County and Old Westbury may have specific building code requirements for wind-load ratings and egress, especially for basement or bedroom windows, which a reputable local installer will navigate for you.

3What is the best time of year to schedule window installation in this area, and how long does the project usually take?

While installation can be performed year-round, the ideal seasons in our region are late spring (May-June) and early fall (September-October) to avoid peak summer humidity and winter's freezing temperatures. For a standard-sized Old Westbury home, a professional crew can typically complete a full replacement in 2-4 days. However, scheduling for custom or historic preservation projects should begin several months in advance due to longer manufacturing lead times.

4What should I look for when choosing a window installation contractor in Nassau County?

Prioritize contractors who are licensed, insured, and have extensive local experience in Nassau County. They should be familiar with Old Westbury's architectural styles and any village-specific permit or historic district requirements. Always check for strong references from similar local projects and verify membership in professional organizations like the National Association of the Remodeling Industry (NARI). Avoid providers who do not offer a robust, long-term warranty on both product and labor.

5My Old Westbury home has original or historic windows. Do I always need to replace them, or are there other options?

For historically significant homes, full preservation or repair of original wood windows is often possible and may be encouraged or required by local guidelines. Modern restoration techniques can improve their energy efficiency while maintaining character. If replacement is necessary, a qualified local installer can create custom, historically accurate replicas with modern, energy-efficient glass. Always consult with your installer and the Old Westbury Building Department to understand your options before proceeding.