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10 Best Window Replacement Companies in Guilford, CT

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Written By David Cusick

Last Updated April 2024

Replacing your windows can be expensive, but is an excellent way to increase the energy efficiency and value of your home. According to the Department of Energy, heat or cool air lost through old or damaged windows could represent 25–30% of the climate control use in your home. By upgrading to energy-efficient windows, you could save an extra $420 on your energy bills annually in Guilford. If you can't decide between window installers, this is a great way to get started. Keep reading to find the best window installers in Guilford.

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Top 10 Best Window Replacement Companies in Guilford

Renewal by Andersen - Branford

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38 N Harbor St, Branford, CT 06405 (203) 274-8950 renewalbyandersen.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

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

Window World of Hartford

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409 New State Rd, Manchester, CT 06042 (860) 643-4568 windowworldct.com

Price transparency

Good customer service

Timely service

Educational website

Free assessment

Services Offered

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

Window Master Real Wood Products

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400 Sackett Point Rd #3171, North Haven, CT 06473 (203) 230-2638 customwoodmfg.com

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Services Offered

Custom window designs
Screen repair
Glass doors
Window replacement/installation
Vinyl frames
Window repair
Custom glass
Wood frames
Storm/impact windows
Metal frames
Glass showers

Guilford Glass Company, Inc.

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82 State St, Guilford, CT 06437 (203) 458-8162 guilfordglass.com

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Services Offered

Glass showers
Vinyl frames
Tempered glass
Window repair
Window replacement/installation
Glass doors
Mirrors

Bencar Building Systems LLC

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210 N Plains Industrial Rd, Wallingford, CT 06492 (203) 269-9204 bencarbuildingsystems.com

Good customer service

Services Offered

Window replacement/installation

Clinton Glass

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

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

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

DiMartino Home Improvement

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323 Washington Ave 4 "Rear, North Haven, CT 06473 (203) 239-0558 dimartinohi.com

Price transparency

Services Offered

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

Home Services at The Home Depot

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111 Universal Dr N, North Haven, CT 06473 (203) 392-1030 homedepot.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Glass doors
Window replacement/installation
Glass showers

Window Nation

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1070 N Farms Rd Unit 1, Wallingford, CT 06492 (475) 253-0015 windownation.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

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

EcoView Of New Haven

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121 N Plains Industrial Rd, Wallingford, CT 06492 (203) 927-0751 ecoviewwindows.com

Good customer service

Price transparency

Free assessment

Services Offered

Window replacement/installation
Storm/impact windows
Vinyl frames
Bay windows
Energy-efficient options
Glass doors
Double-hung
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 Guilford?

Window installation and replacement costs depend on a number of factors, including the number and size of the windows, the materials you choose, and how difficult your windows are to access or install. On average, Guilford homeowners will spend around $290 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

Installing new energy-efficient windows can greatly improve your home's comfort, appearance, insulation, noise reduction, and value. Some clear signs it's time for new windows include the following:

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

How To Choose a Window Company

For a successful window replacement, you want to locate an installer with proven expertise. Below, we cover the most important criteria for selecting a window installer.

Experience

Look for well-established local companies with many years, ideally decades, of experience successfully installing all kinds of windows. These providers are more likely to have a deep knowledge of Guilford's climate and local homeowner needs. Request references from recent clients to confirm the quality of a company's work.

Certifications

Choose an installer that’s accredited like leading window companies, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Proper certification shows they've received appropriate instruction in installation best practices. Verify that installers are staff rather than subcontractors, and confirm that the technicians assigned to your job have certification.

Reputation

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

Process

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

Warranties

Look for window installers that guarantee their work and provide warranties on labor and materials. This shows confidence in their work. Choose companies with unlimited lifetime warranties that can transfer to new homeowners.

Materials

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

Frequently Asked Questions About Window in Guilford, CT

In Guilford, the best time to install windows is when temperatures are mild, generally in the spring or fall. This allows installers to work with less worry about the weather.

The ideal type of replacement windows for your Guilford home depends on when your home was built –the average house in Guilford was built around 1974. For older homes, you might want to consider efficient windows such as double-pane windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For newer homes, you can think about vinyl windows, which are affordable, durable and have a modern look.

Windows made from fiberglass, vinyl, or wood tend to last the longest, with some lasting for close to 45 years. Vinyl windows are especially durable and low-maintenance, making them an excellent choice if you want windows that can last a long time. Double or triple glazing can help reduce your heating and cooling bills over time.

The length of the window installation process depends on a range of factors, including the number of windows to be installed, the type and size of windows being put in, and the complexity of the job. Typically, window installation can take anywhere from a day up to a few days, with each window taking around 30 minutes to install.

Replacing your own windows can be a complex task, especially in Guilford, where temperatures can get quite warm. It's generally recommended to get a professional window installer. A professional installer has the knowledge and experience that ensures your windows are properly installed and that you get the most out of your investment.

After window installation, it's important to check for any air leaks and make sure the windows are properly sealed. You should also wash the windows at least once a year to stop debris from building up and causing damage. Additionally, if you live in an area with abundant rainfall, you should check the window sills and frames regularly to ensure that the seals are not wearing away or cracking.

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