10 Best Window Replacement Companies in Glastonbury, CT

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Whether you're making significant home repairs or simply need a change, upgrading your windows is a great idea. Your windows play a vital role in energy efficiency and home value. According to the Department of Energy, heat gained or lost through outdated windows could represent 25–30% of the heating and cooling usage in your home. By installing energy-efficient windows, you could save an extra $446 on your energy bills annually in Glastonbury. When looking for a window installer, it's important to choose the right one, which is why we've put together this guide to the top window installers in Glastonbury.

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.
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 Glastonbury

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 Window Replacement

Renewal by Andersen Window Replacement Logo

Our Rating

User Rating

10 Reservoir Rd, Smithfield, RI 02917 (401) 264-0052 windowsrhodeisland.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Vinyl frames
Bay windows
Energy-efficient options
Custom window designs
Glass doors
Window replacement/installation
Double-hung

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

60 Commerce Dr Suite 150, Trumbull, CT 06611 (203) 659-4843 powerhrg.com

Timely service

Price transparency

Free assessment

Good customer service

Services Offered

Energy-efficient options
Window replacement/installation

CORE Remodeling Services, Inc.

CORE Remodeling Services, Inc. Logo

Our Rating

User Rating

41 Boylston St, Worcester, MA 01605 (888) 959-2673 coreremodelingservices.com

Educational website

Good customer service

Price transparency

Services Offered

Window replacement/installation

Krystal Glass & Door Co

Krystal Glass & Door Co Logo

Our Rating

User Rating

9 Rocky Hill Rd Unit B, Smithfield, RI 02917 (401) 231-1600 krystalglassri.com

Free assessment

Price transparency

Good customer service

Services Offered

Energy-efficient options
Wood frames
Glass showers
Custom glass
Glass doors
Mirrors
Glass repair
Skylights
Tempered glass
Window replacement/installation

Clinton Glass

Clinton Glass Logo

Our Rating

User Rating

221 E Main St, Clinton, CT 06413 (860) 664-3711 clintonglassct.com

Good customer service

Free assessment

Price transparency

Educational website

Services Offered

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

Window Depot USA of Southern CT

Window Depot USA of Southern CT Logo

Our Rating

User Rating

5726 Main St STe 2a, Trumbull, CT 06611 (203) 309-6027 windowdepotsouthernct.com

Educational website

Price transparency

Good customer service

Free assessment

Timely service

Services Offered

Bay windows
Triple pane glass
Vinyl frames
Energy-efficient options
Double-hung
Glass doors
Window replacement/installation

United Better Homes - Roofing, Solar & Windows

United Better Homes - Roofing, Solar & Windows Logo

Our Rating

User Rating

535 Pine St, Central Falls, RI 02863 (401) 274-0111 unitedbetterhomes.com

Good customer service

Timely service

Free assessment

Price transparency

Educational website

Services Offered

Bay windows
Double-hung
Window replacement/installation
Storm/impact windows
Glass doors
Vinyl frames
Custom window designs

Home Services at The Home Depot

Home Services at The Home Depot Logo

Our Rating

User Rating

656 Reservoir Ave, Bridgeport, CT 06606 (203) 392-1123 homedepot.com

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

Energy-efficient options
Vinyl frames
Custom window designs
Window replacement/installation
Screen repair
Mirrors
Storm/impact windows
Bay windows
Glass doors
Glass showers

United Better Homes

United Better Homes Logo

Our Rating

User Rating

125 Esten Ave, Pawtucket, RI 02860 (401) 400-4386 unitedbetterhomes.com

Educational website

Timely service

Free assessment

Good customer service

Price transparency

Services Offered

Storm/impact windows
Double-hung
Vinyl frames
Bay windows
Custom window designs
Window replacement/installation
Glass doors

ProEdge Remodeling

ProEdge Remodeling Logo

Our Rating

User Rating

2 Waterside Crossing # 304, Windsor, CT 06095 (800) 573-8833 getproedge.com

Educational website

Price transparency

Free assessment

Good customer service

Services Offered

Energy-efficient options
Double-hung
Custom window designs
Bay windows
Vinyl frames
Window replacement/installation
Glass doors
Storm/impact windows
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 Glastonbury?

Window installation and replacement costs are influenced by a number of factors, including how difficult your windows are to access or install, the number and size of the windows, and the materials you choose. On average, Glastonbury homeowners will 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 greatly boost your home's noise reduction, comfort, value, appearance, and insulation. Signs it's time to invest in new windows include:

  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Inefficient and outdated window styles that take away from your house's curb appeal.
  • Discomfort and high energy bills due to poor insulation around windows.
  • Windows that are hard to close, open, and lock properly due to age and wear.
  • Condensation issues, fogging between window panes, or rotting window frames that allow moisture intrusion into the home.

How To Choose a Window Company

For a successful window replacement, you want to hire an installation contractor with proven expertise. Below, we outline the most important qualifications for selecting a window installer.

Experience

Make sure you hire an experienced local installer with a long record of successfully installing and replacing windows. Companies that have been operating locally for many years are more likely to have a deep knowledge of the local climate and local homeowners' needs. Get references from recent clients to confirm a company provides quality installations.

Certifications

Select an installer that is certified by major window brands and groups like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor is trained in best practices for installation. Confirm that installers are staff, not subcontractors, and verify that any technicians working on your home are certified.

Reputation

Read through online feedback from past clients, check the Better Business Bureau (BBB), and request local references. Review customer feedback to confirm that the provider consistently delivers quality work and good customer service. Avoid contractors that have complaints of shoddy work or unfinished jobs.

Process

The best window installers will supply a comprehensive project plan and schedule, clear expectations, and an overview of material and installation options. Avoid companies that offer unclear quotes or timelines that don't provide specifics upfront. Look for ongoing contact throughout the process to avoid surprises later in the project.

Warranties

Seek out window installers that assure quality installations and provide warranties on labor and materials. This shows confidence in their work. Opt for companies with unlimited lifetime warranties that transfer to new homeowners.

Materials

Make sure your window installer offers windows that are built to last and top energy-saving window brands within your budget. Look for design flexibility, good energy ratings, and enhanced UV protection. Check that the window materials also have manufacturer warranties.

Frequently Asked Questions About Window in Glastonbury, CT

In Glastonbury, the ideal time to install windows is during the early fall when the temperatures are milder, so the windows can seal and settle properly. A good local window installer in Glastonbury will be able to explain when the best time is to install windows on your home.

The best type of replacement windows for your Glastonbury home depends on when your home was built –the average house in Glastonbury was built around 1979. If your home was built a while ago, you might want to consider efficient windows such as double-glazed windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's perfect for older homes. For newer homes, you may want to consider vinyl windows, which are durable, affordable and have a modern look.

The most expensive windows are those with multiple moving parts such as double-hung and casement windows. They are more complicated than single-hung windows, which makes them more costly. Single-hung windows are the least expensive 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 existing windows, installing the replacement windows, checking for proper sealing, and caulking around the edges of the frames. Extra steps may be necessary depending on the kind of window being installed.

In some cases, you can install your own windows, but it's better to hire a professional. It's important to consider the local climate when replacing windows, as it will impact the process. For example, the temperatures in Glastonbury can reach an average low of 43, so you need to think about energy-efficient windows that can deflect from the cold. It's also important to get the measurements right and understand the instructions for installation. Hiring a professional for your window replacement project will ensure that everything is installed correctly.

Window companies in Glastonbury usually offer a wide range of services, including measuring and installing new windows, repairing existing windows, swapping out window glass, and installing window treatments. They may also offer extra services such as weatherproofing or cleaning.

Hiring a professional window installer helps guarantee the job is done correctly. Professional installers will measure in order to get a perfect fit and use the right techniques and materials to ensure your windows are properly sealed and fitted. Additionally, professional installers are likely to have access to better materials and more experience than the average homeowner, so you can expect your windows to be installed correctly and last for years to come.

Other Glastonbury, CT Home Services

Loading map...