The Best Window Installers in Nassau, NY

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

#1

Renewal by Andersen of Long Island

4.8
(350 reviews)
Verified

As the local branch of a national brand, Renewal by Andersen specializes in high-end, full-replacement windows. They are renowned for their proprietary Fibrex® material, which offers superior durability and energy efficiency. Their service is comprehensive, from in-home consultation to professional installation, emphasizing a seamless customer experience.

75 Carlough Rd, Bohemia, NY 11716

Specialties & Features

Energy-efficient windows
Custom window solutions
New window installation

Business Information

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

Window King

4.7
(180 reviews)
Verified

A family-owned and operated business, Window King has built a strong reputation in Nassau County for quality craftsmanship and personalized service. They offer a wide range of window brands and types, allowing for customization to fit various budgets and architectural styles, from historic home repairs to modern new construction.

80 E Jefryn Blvd, Deer Park, NY 11729

Specialties & Features

Residential window replacement
Window repair services
Storm windows and security windows

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Window Gang of Long Island

4.6
(120 reviews)
Verified

Window Gang focuses on providing high-quality window and door solutions with an emphasis on energy savings and customer satisfaction. They are known for their efficient service, transparent pricing, and handling the entire process from measurement to installation with their own crews, ensuring quality control.

115 Schmitt Blvd, Farmingdale, NY 11735

Specialties & Features

Residential window replacement
Energy-efficient windows
New window installation

Business Information

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

Why These Are the Top Windows Contractors in Nassau

** The window service market in Nassau County is robust and highly competitive, characterized by a mix of long-standing local contractors and branded franchises. The housing stock is diverse, featuring many classic Colonials, Capes, and Tudors, which drives demand for custom window solutions that match historic aesthetics while incorporating modern energy efficiency. **Average Quality:** The market standard is high, with a strong consumer preference for energy-efficient, low-maintenance materials like vinyl composites and fiberglass. Providers often carry premium brands like Andersen, Pella, and Marvin. **Competition Level:** Intense. Reputable providers distinguish themselves through superior craftsmanship, warranties, and customer service rather than competing on price alone. Positive online reviews and word-of-mouth referrals are critical for success in this local market. **Typical Pricing:** As a high-cost-of-living area, window replacement projects in Nassau County are at a premium. Homeowners can expect a wide range, but a typical full-home window replacement project often falls between **$15,000 and $40,000+,** highly dependent on the number of windows, the quality of materials (e.g., standard vinyl vs. custom wood-clad), and the complexity of the installation.

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 Nassau regulations and climate

Frequently Asked Questions About Windows in Nassau

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

1What is the typical cost range for a full window replacement in a Nassau County home?

For a standard double-hung vinyl window replacement in Nassau County, homeowners can expect to pay between $800 and $1,500 per window, including professional installation. This range accounts for the higher labor and material costs typical of the Long Island region and can vary based on window size, style (e.g., casement, bay), and energy efficiency features. Premium materials like fiberglass or wood-clad windows will increase the cost, but investing in high-performance units is wise for our climate to maximize long-term energy savings.

2How does Nassau County's climate and weather affect the choice of windows?

Nassau's humid summers, nor'easters, and cold winters demand windows with excellent thermal performance and durability. We strongly recommend windows with a low U-factor for insulation and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Look for products rated for the Northeast climate zone and ensure proper flashing and sealing to withstand the high winds and driving rain common in our coastal area, which helps prevent moisture intrusion and rot.

3Are there specific permits or regulations for window replacement in Nassau County?

Yes, most window replacements in Nassau County require a building permit from your local town or village building department, as you are altering the home's envelope. The installation must comply with the New York State Energy Conservation Construction Code (NYSECCC), which sets strict efficiency standards. A reputable local installer will handle this permitting process for you, ensuring the work passes the required inspection, which is crucial for both safety and preserving your home's resale value.

4What is the best time of year to schedule a window installation on Long Island?

While professional installers work year-round, the ideal seasons in Nassau are late spring and early fall. These periods typically offer mild, dry weather, which is optimal for the installation process and for having your home open. Scheduling during these shoulder seasons (April-June or September-October) also helps you avoid the peak summer demand rush and the potential for winter weather delays, ensuring better scheduling availability and project timing.

5What should I look for when choosing a window installation contractor in Nassau?

Always verify that the contractor is licensed and insured in New York State and carries ample workers' compensation and liability insurance. Choose a company with extensive local experience, as they will understand Nassau's specific permit processes, common architectural styles, and weather challenges. Ask for references from recent projects in your town and check for membership in professional organizations like the Long Island Home Improvement Contractors Association (LIHICA), which indicates a commitment to local standards and ethics.