10 Best Window Replacement Companies in Stamford, CT

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Last Updated: February 25, 2025

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 Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Stamford

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen of Long Island

Renewal by Andersen of Long Island Logo

Our Rating

User Rating

2029 New Hwy, Farmingdale, NY 11735 (631) 843-1713 renewalbyandersen.com

Good customer service

Price transparency

Free assessment

Educational website

Services Offered

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

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

1660 Walt Whitman Rd #140, Melville, NY 11747 (631) 339-7268 powerhrg.com

Timely service

Free assessment

Price transparency

Good customer service

Services Offered

Energy-efficient options
Window replacement/installation

Smithtown Window Replacement and Doors

Smithtown Window Replacement and Doors Logo

Our Rating

User Rating

43 Landing Ave, Smithtown, NY 11787 (631) 646-2386 smithtownwindowsdoors.com

Educational website

Good customer service

Free assessment

Energy-efficient windows and doors

Family-owned and operated

Price transparency

Weekend availability

Services Offered

Vinyl frames
Energy-efficient options
Double-hung
Storm/impact windows
Window replacement/installation
Wood frames
Triple pane glass
Glass doors
Tempered glass
Fiberglass frames
Glass showers
Metal frames
Window repair
Custom window designs
Bay windows

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

130 Hackensack St, East Rutherford, NJ 07073 (201) 366-3699 theglassguru.com

Good customer service

Free assessment

Educational website

Services Offered

Custom glass
Fiberglass frames
Wood frames
Skylights
Screen repair
Metal frames
Energy-efficient options
Vinyl frames
Tempered glass
Glass repair
Window replacement/installation
Glass doors
Mirrors
Storm/impact windows
Triple pane glass
Glass showers
Window repair

Melville Window Replacement

Melville Window Replacement Logo

Our Rating

User Rating

560 Walt Whitman Rd, Melville, NY 11747 (631) 710-7533 melvillewindowreplacement.com

Educational website

Good customer service

Price transparency

Timely service

Free assessment

Services Offered

Metal frames
Double-hung
Custom window designs
Tempered glass
Vinyl frames
Triple pane glass
Wood frames
Window repair
Window replacement/installation
Bay windows
Glass doors
Fiberglass frames
Energy-efficient options

Window King LLC

Window King LLC Logo

Our Rating

User Rating

1075 Morris Park Ave, Bronx, NY 10461 (718) 792-5989 windowking.biz

Free assessment

Free in-home consultation

Educational website

Timely service

Good customer service

Estimate price matching

No-interest financing

Price transparency

Services Offered

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

Glass Doctor

Glass Doctor Logo

Our Rating

User Rating

354 Smithtown Blvd, Ronkonkoma, NY 11779 (631) 619-6711 glassdoctor.com

24/7 emergency service

Price transparency

Good customer service

Membership plans for glass repair

Home and auto glass

Educational website

Services Offered

Window repair
Custom glass
Window replacement/installation
Glass repair
Mirrors
Glass showers
Glass doors
Energy-efficient options

Pro Quality Home Improvements Inc.

Pro Quality Home Improvements Inc. Logo

Our Rating

User Rating

1120 Little East Neck Road, West Babylon, NY 11704 (631) 393-6812 proqualityhomeimprovements.com

Free assessment

Small business

Good customer service

Free in-home consultation

No-interest financing

Educational website

Price transparency

Timely service

Services Offered

Glass doors
Window replacement/installation
Window repair
Skylights
Energy-efficient options
Bay windows

Alure Home Solutions

Alure Home Solutions Logo

Our Rating

User Rating

1999 Hempstead Tpke, East Meadow, NY 11554 (516) 296-7777 alure.com

No-interest financing available

Online appointment scheduling

Educational website

Free assessment

Price transparency

Special warranties for military

Good customer service

Services Offered

Glass showers
Double-hung
Glass doors
Window replacement/installation

Sky Windows and Doors

Sky Windows and Doors Logo

Our Rating

User Rating

145 N Main St, Freeport, NY 11520 (516) 686-8485 skywindowsnj.com

Price transparency

Educational website

Timely service

Free assessment

Good customer service

Services Offered

Vinyl frames
Custom glass
Mirrors
Energy-efficient options
Storm/impact windows
Glass showers
Wood frames
Glass doors
Window replacement/installation
Metal 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.

Other Stamford, CT Home Services

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