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10 Best Window Replacement Companies in Stamford, CT

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Written By David Cusick

Last Updated April 2024

Upgrading your windows can be rather costly, but is an excellent way to improve your home's energy efficiency and its value. In Stamford, you could save about $441 a year on your power bills by replacing your windows. Potential leaks or drafts can decrease your home’s energy efficiency by up to 30%, according to the Department of Energy. Our list of the best window installers in Stamford will help you select the right installer for you.

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Top 10 Best Window Replacement Companies in Stamford

Renewal by Andersen

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421 West Ave Building 1, Stamford, CT 06910 (203) 406-0545 renewalbyandersen.com

Good customer service

Free assessment

Price transparency

Educational website

Services Offered

Bay windows
Skylights
Double-hung
Glass doors
Window replacement/installation

Window World Westchester

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134 Marbledale Rd, Tuckahoe, NY 10707 (914) 750-4353 windowworldwestchester.com

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Good customer service

Price transparency

Educational website

Services Offered

Double-hung
Window replacement/installation
Glass doors
Bay windows

Windows By Toll

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226 Selleck St, Stamford, CT 06902 (203) 404-0403 windowsbytoll.com

Good customer service

Price transparency

Educational website

Free assessment

Services Offered

Glass showers
Glass doors
Window replacement/installation
Bay windows
Double-hung

Window King of Connecticut

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1177 High Ridge Rd, Stamford, CT 06905 (203) 717-4910 windowking.biz

Educational website

Good customer service

Free assessment

Timely service

Price transparency

Services Offered

Glass doors
Vinyl frames
Energy-efficient options
Double-hung
Window replacement/installation

Nelson Glass & Mirror

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166 N Main St, Port Chester, NY 10573 (914) 934-1311 nelson-glass.com

Price transparency

Good customer service

Free assessment

Services Offered

Window replacement/installation
Tempered glass
Storm/impact windows
Glass showers
Mirrors
Energy-efficient options
Screen repair

Pella Windows & Doors of Norwalk

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464 Main Ave, Norwalk, CT 06851 (203) 846-9450 pellabranch.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Double-hung
Window replacement/installation
Bay windows
Glass doors

Greenwich Windows Replacement

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777 West Putnam Avenue, Greenwich, CT 06830 (203) 424-3446 greenwichwr.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

Bay windows
Window replacement/installation
Double-hung

Connecticut Glass & Mirror

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100 Research Dr, Stamford, CT 06906 (203) 327-5730 connecticutglassandmirror.net

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Price transparency

Good customer service

Educational website

Services Offered

Glass showers
Glass doors
Window replacement/installation
Mirrors
Skylights

Top Notch Carpentry & Remodeling

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15 E Putnam Ave # 211, Greenwich, CT 06830 (203) 858-9023 topnotchcarpentryremodeling.com

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Educational website

Timely service

Good customer service

Services Offered

Window replacement/installation

United Home Experts

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50 Washington St, Norwalk, CT 06854 (203) 718-0597 unitedhomeexperts.com

Free assessment

Good customer service

Educational website

Price transparency

Services Offered

Window replacement/installation
Fiberglass frames
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Stamford?

Window installation and replacement costs vary based on several factors, including how difficult your windows are to access or install, the materials you choose, and the number and size of the windows. On average, homeowners in Stamford should expect to spend around $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Replacing your old windows with new energy-efficient ones can significantly improve your home's appearance, comfort, noise reduction, value, and insulation. Signs it's time to invest in new windows include:

  • A chilly house and high energy bills due to poor insulation around windows.
  • Windows that are difficult to open, close, or lock properly due to wear and age.
  • Cold air and drafts coming in from old, loose-fitting windows.
  • Outdated and inefficient window styles that detract from your home’s curb appeal.
  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.

How To Choose a Window Company

Picking a window installer with the right qualifications helps ensure a smooth installation. We explain the most important considerations for choosing a qualified provider below.

Experience

Look for highly-regarded local companies with a long track record of experience successfully installing all kinds of windows. These providers are more likely to understand Stamford's climate and your requirements. Ask for references from recent clients to confirm the quality of a company's work.

Certifications

Choose companies that have certifications from major window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Being certified indicates that they've been properly trained in installation best practices. Make sure installers are staff rather than subcontractors, and confirm that any technicians working on your home are certified.

Reputation

Read through online reviews, check the Better Business Bureau (BBB), and ask for local references. Review customer feedback to verify that the contractor consistently provides quality work and good customer service. Avoid providers that have complaints of shoddy work or unfinished jobs.

Process

A quality provider will give you a comprehensive project plan, detailed timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer vague quotes or timelines. Insist on consistent contact throughout, so you aren't caught off guard once the work begins.

Warranties

Look for contractors that stand behind their work and provide warranties on materials and labor. This shows confidence in their window installations. Seek out unlimited lifetime warranties that can even be transferred to new homeowners.

Materials

Ensure your provider works with durable, energy-efficient window brands that work with your budget. Look for good energy ratings, design flexibility, and enhanced UV protection. Confirm the window materials have their own manufacturer warranties as well.

Frequently Asked Questions About Window in Stamford, CT

In Stamford, the best time to install windows is during the early fall when the temperature is milder, so the windows can fit and adjust properly. A good local window installer in Stamford will be able to explain when the best time is to install windows on your house.

The best type of replacement window for your Stamford home will depend on your home's age, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wood windows can give a classic look and feel, while vinyl windows are more popular in newer homes. Fiberglass-framed windows are also a popular choice, since they can be energy efficient and long-lasting.

The most expensive window types are those with multiple moving parts such as double-hung and casement windows. They are more complex than single-hung windows, and so are more expensive. Single-hung windows are the most budget-friendly on the market. In terms of frames, aluminum and vinyl are the most affordable options.

The process for window installation typically includes taking measurements, removing the old windows, installing the new windows, inspecting for proper insulation, and caulking around the edges of the frames. Additional steps may be necessary depending on the kind of window being installed.

Yes, many window companies offer financing options for their customers. Some installers provide low-interest or no-interest loans, although you may not qualify if your income is on the higher end, while other companies provide special financing plans with terms and conditions that vary depending on the job.

Getting a professional window installer helps guarantee the job is done correctly. Professional installers will measure to get a perfect fit and will use the right techniques and materials to ensure your windows are correctly sealed and fitted. Additionally, professional installers have access to higher quality materials and more knowledge than the average person, so you can count on your windows to be installed correctly and stand for years to come.

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