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  • Written by
    Max Peterson
  • Fact Checked
  • Updated

Replacement windows can defend your home from water damage, enhance its energy efficiency, and provide it with extra charm. If your windows are getting old or showing signs of damage, it's likely time to get new ones. Working with a professional window company will help you get the most satisfactory results and help you steer clear of costly mistakes from attempting to complete the job yourself.

Top Pick
Renewal by Andersen logo
4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

  • Full-service installation
  • Large window selection
  • Nearly 30 years of experience

Buy One Window, Get One 40% OFF

Most Customizable
Power Home logo
4.3/5

Ratings are based on our detailed proprietary methodology and review standards.

  • Full-service remodeling
  • 96% satisfaction rate
  • More than 30 years of experience

Next-Day Appointments Available

Best Financing
DaBella logo
4/5

Ratings are based on our detailed proprietary methodology and review standards.

  • Knowledgeable sales representatives
  • American-made products
  • Great financing options

10 Best Window Replacement Companies in Guilford

Brands are algorithmically curated from a database of local service providers near you. We require a minimum number of Google reviews and average ratings for provider inclusion.

We recommend working with one of these highly-rated companies for your window replacement project in Guilford.

The This Old House Reviews Team assessed dozens of window replacement companies in and around Guilford. We used the following factors to select the best window replacement installers:

  • Professional experience and licensure
  • Energy-efficiency guarantees
  • Product quality
  • Customer reviews and recommendations
  • Services and warranties

Featured Partner
Renewal by Andersen - Branford Logo
Top Rated

Renewal by Andersen - Branford

4.6/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 255 reviews


38 N Harbor St, Branford, CT 06405

(203) 274-8950

www.renewalbyandersen.com/window-comp...
Featured Partner
Power Home Remodeling Logo
Top Rated

Power Home Remodeling

4.9/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 2558 reviews


60 Commerce Dr Suite 150, Trumbull, CT 06611

(203) 659-4843

powerhrg.com
Neil Jones Home Improvements Logo

Neil Jones Home Improvements

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 20 reviews


130 Oak Terrace, Durham, CT 06422

(860) 349-8771

www.neiljoneshomeimprovements.com
Window Nation Logo

Window Nation

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 564 reviews


1070 N Farms Rd Unit 1, Wallingford, CT 06492

(475) 253-0015

www.windownation.com/hartford-ct-show...
Bencar Building Systems LLC Logo

Bencar Building Systems LLC

4.6/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 42 reviews


210 N Plains Industrial Rd, Wallingford, CT 06492

(203) 269-9204

www.bencarbuildingsystems.com
Clinton Glass Logo

Clinton Glass

4.5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 40 reviews


221 E Main St, Clinton, CT 06413

(860) 664-3711

www.clintonglassct.com

Pane in the Glass llc.

4.5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 24 reviews


myglasspane@gmail.com, 12 Tuccitto Rd, Portland, CT 06480

(860) 342-3253

pane-in-the-glass-llc.business.site
Advanced Window Systems LLC Logo

Advanced Window Systems LLC

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 581 reviews


14 Alcap Ridge, Cromwell, CT 06416

(860) 718-4586

www.advancedwindowsystems.com
Nu-Face Home Improvements Logo

Nu-Face Home Improvements

4.6/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 275 reviews


855 Berlin Turnpike, Berlin, CT 06037

(860) 681-3002

nufacect.com

J.C. Tonnotti Window Company

4.5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 218 reviews


205 Bristol St, Southington, CT 06489

(860) 621-1642

www.jctonnotti.com

Facts about Guilford

  • Annual Energy Efficient Windows Savings:
    $420
  • Average Max Temperature:
    57°F
  • Average Min Temperature:
    44°F
  • Average Daily Sunlight:
    54%
  • Average Annual Snowfall:
    36.5”
  • Average Monthly Precipitation:
    4.05”

How To Choose a Window Company in Guilford

It's important to find a window replacement company that meets your specific values, needs, and preferences. Consider the following points during your hunt:

Window Cost by Type

Replacing your windows is a significant undertaking, so balancing cost with value is important. Choosing economy windows could actually increase your overall cost, due to their shorter lifespan and more intensive maintenance needs. The age of your home, in addition to the materials, styles, and sizes of replacement windows you opt for, can affect pricing. Simple double-hung windows deliver great value with their straightforward style and simple mechanisms, while new skylights cost more to prepare for and install. It's recommended to consult a vetted window installer to figure out your most suitable options.

This table shows average prices for various window types to give you an idea of what to expect.

Window TypesAverage Cost
Arched$245-$1,506
Awning$355-$989
Bay$818-$6,067
Custom$364-$1,011
Casement$283-$1,640
Double-hung$132-$854
Egress$243-$606
Glass Block$49-$614
Picture$213-$1,573
Single-hung$96-$1,618
Skylight$121-$1,461
Sliding$279-$1,416
Storm$58-$400
Transom$297-$620

Window Material Cost

Materials also help determine a window's cost. You might select a material based on the local climate, your desired look, and your energy efficiency goals. For example, windows made of wood can give your home an organic design without breaking the bank, but you'll have to invest more toward maintenance. Aluminum and composite windows cost more up-front, but they're incredibly durable against the elements, so you'll spend far less on maintenance.

Window TypesAverage Cost
Aluminum$58-$1,618
Composite$584-$1,312
Fiberglass$96-$818
Vinyl$197-$1,820
Wood$292-$1,640

Other Window Replacement Costs

Ask each company you're evaluating about labor costs, warranty fees, and permit fees. This will help you gain a complete understanding of the total costs involved in the project.

Experience and Training

Examine a company's website and talk to a representative to learn more about its product and service offerings, pricing, and warranties. Many window companies also keep online portfolios that showcase past projects.

Ensure that the company focuses on window replacement. The more specialized training its staff has, and the longer it has been active, the more likely it will provide top-notch service.

Licensing and Credentials

While Connecticut doesn't require contractors to carry licenses, they must still register with the state's Department of Consumer Protection (DCP), and there are still limitations on what jobs they can perform. Most residential window installers are considered "minor contractors" and can only work on single and multi-family dwellings. If a company performs glasswork, it must have a Glazier license from the DCP.

Types of Windows Offered

The style of window you want should factor into your company choice. Not every installation crew will necessarily be familiar with the types you want. A company website will show more about the styles of windows it specializes in, such as:

Finally, pay close attention to the framing materials that a provider uses. Each window frame material has a different life span, price point and energy efficiency level. A company will usually specify whether the windows they place use composite, vinyl, metal, wood, or fiberglass.

Customer Feedback

One of the greatest ways to screen a company is to read what other customers have said about their experiences. Trustworthy sources for customer reviews include Google, Yelp, and Trustpilot Ask people you know who have used the professional you're thinking of hiring, and ask a representative for professional references.

Frequently Asked Questions about Window Replacement in Guilford

More Window Resources

National Windows Company Ranking Methodology

Sources

Energy Star

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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