The Best Window Installers in Old Greenwich, CT

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

#1

Renewal by Andersen of Connecticut & New York

4.8
(250 reviews)
Verified

A premier provider specializing in high-end, custom-crafted replacement windows. As a branch of the national Andersen Corporation, they are renowned for their full-service replacement process, from in-home consultation to professional installation. Their windows are known for superior energy efficiency, durability, and aesthetic appeal, making them a strong fit for Old Greenwich's historic and luxury homes.

50 Washington St, Norwalk, CT 06854 (Primary showroom serving the region)

Specialties & Features

Custom window replacement
Energy-efficient windows
Full-frame installation

Business Information

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

Windowrama

4.6
(180 reviews)
Verified

A leading regional window and door company that has served Fairfield County for decades. They are known for a vast selection of window brands and styles, offering solutions for both replacement and new construction. They excel at providing a range of options from standard replacements to high-performance, energy-efficient models, catering to various budgets without compromising on service quality.

111 Research Dr, Stamford, CT 06906

Specialties & Features

Residential window replacement
Energy-efficient windows
Storm windows

Business Information

Years in Business:30 years
Licensed:Yes
Insured:Yes
#3

Marlboro Builders, Inc.

4.7
(90 reviews)
Verified

A highly reputable, local contracting firm known for its craftsmanship and personalized service. While they offer full remodeling services, their window installation and replacement division is particularly well-regarded. They are an excellent choice for complex custom projects, historic home restorations, and clients seeking a high-touch, contractor-led approach for high-end homes in Old Greenwich.

10 Old Farm Rd, Darien, CT 06820

Specialties & Features

Custom window solutions
Historic window repair/replacement
Security windows

Business Information

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

Why These Are the Top Windows Contractors in Old Greenwich

The window service market in Old Greenwich, CT, is characterized by high demand for quality, customization, and energy efficiency, reflective of the community's affluent and historic nature. The competition is strong among regional specialists and high-end national providers. Homeowners typically invest in premium materials like wood, fiberglass, and composite-clad windows, with a significant focus on preserving architectural integrity while improving performance. Pricing is typically above the national average; a standard window replacement project can range from $1,000 to $2,500 per window, while full-home custom projects can easily reach $30,000 to $75,000 or more. The market is less saturated with low-budget operators, with success heavily dependent on reputation, proven expertise, and the ability to handle complex, high-value projects.

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 Greenwich regulations and climate

Frequently Asked Questions About Windows in Old Greenwich

Get answers to common questions about windows services in Old Greenwich, Connecticut.

1What is the typical cost range for a full window replacement in an Old Greenwich home?

For a standard, quality vinyl double-hung window replacement in Old Greenwich, homeowners can expect to pay between $1,000 to $1,500 per window, including professional installation. This range accounts for the higher cost of living and labor in Fairfield County, as well as the common need for custom-sized windows in the area's historic and architecturally diverse homes. Premium materials like wood-clad or fiberglass, and complex installations in older structures, can increase the cost significantly.

2Are there specific local permits or regulations in Old Greenwich I need to be aware of before installing new windows?

Yes, Old Greenwich has strict local zoning and historic district regulations that often require a building permit for window replacements, especially if you are altering the window's size or style. If your home is in a local historic district or is a designated historic property, you will likely need approval from the Historic District Commission to ensure replacements are architecturally appropriate. Always verify requirements with the Greenwich Building Department before starting any project.

3What is the best time of year to schedule a window installation in coastal Connecticut?

The ideal seasons are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for the installation process and for sealing the windows properly against Old Greenwich's humid summers and nor'easter-driven winter storms. Scheduling well in advance of winter is highly recommended, as contractors are often booked months ahead for projects aimed at improving home energy efficiency before the cold season.

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

Prioritize contractors who are licensed and insured in Connecticut and have extensive local experience. Ask for references from recent projects in Old Greenwich or similar coastal Fairfield County towns, as they will understand local architectural styles and weather challenges. Verify their familiarity with local permit processes and check their standing with the Better Business Bureau. A reputable local provider will offer a detailed, written estimate and warranty.

5Given our local climate, what window features are most important for energy efficiency and durability in Old Greenwich?

For our humid, coastal climate with cold winters, look for windows with a low U-factor (for insulation) and low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Dual-pane, argon-filled glass with Low-E coatings are standard for efficiency. For durability against salt air and storms, consider fiberglass frames or vinyl with robust weatherstripping, and ensure the installation includes proper flashing and sealing to prevent water intrusion, which is a common concern in our area.