22 Best Window Replacement Companies in Glastonbury Center, CT (2023 Reviews)
Window Companies Near Me

If you're looking to get new windows, our list of the top window installation companies can help.

We analyzed all the top window installers in Glastonbury Center and selected the top 22 based on:

  • Customer reviews
  • Window replacement expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated March 14, 2023

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

A guide on the top window replacement companies in Glastonbury Center may not seem like the most captivating article on EcoWatch, but trust us, windows have a more direct impact on your life than you might realize. When it's the middle of winter, your old and leaky windows could be making your home more difficult to heat and more uncomfortable for you.

Installing upgraded, efficient windows on your home can help you save money every month on your electricity bills — and you can help the environment as well.

Unlike other sites, EcoWatch ranks window companies on energy efficiency while also taking into consideration cost, customer satisfaction and service area.

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Great industry reputation
  • Low prices relative to competitors
  • Quality of service will depend on your area

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Award-winning company
  • More expensive than competition

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Many years of experience
  • Great industry reputation
  • Low number of customer complaints
  • No lifetime warranty

Best Window Replacement Companies in Glastonbury Center

The EcoWatch team researched dozens of window installation companies across Glastonbury Center to narrow our list down to the top ones. The providers mentioned in this article scored best in our categories: energy-efficient offerings, customer service, price, availability and more.

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Lifetime warranty
  • Pros icon Great industry reputation
  • Pros icon Low prices relative to competitors
Cons:
  • Pros icon Quality of service will depend on your area

Window World offers windows expertise in Glastonbury Center. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has 27 years of experience in the window installation industry, and it has become one of the most respected companies in Glastonbury Center. The company has hundreds of glowing reviews from customers on online review websites.

You may want to consider opting for Window World if you're looking for a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.

Energy Efficiency of Window World Windows

Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World's offerings are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.

How much does Window World cost in Glastonbury Center?

Prices aren't mentioned on Window World's website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate information is to get a free quote from the company.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Member of US Green Building Council
  • Pros icon Award-winning company
Cons:
  • Pros icon More expensive than competition

Renewal by Andersen offers the best availability in Glastonbury Center. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This provider has 27 years of experience in the windows industry, and it has established itself as one of the most respected companies in Glastonbury Center. Its reputation is backed by hundreds of positive reviews on customer review websites.

If you're looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, Andersen may be the company for you.

Energy Efficiency of Renewal by Andersen Windows

A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019. Not all of Andersen's windows are Energy Star certified, so make sure you mention that you're interested in Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Glastonbury Center?

Prices aren't mentioned on Andersen's website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. If you'd like more accurate information, you can request a quote on the company's website.

Aeroseal Windows logo
FAST QUOTE
as little as 30 seconds
Best for Businesses

Aeroseal Windows

★★★★★
BBB Rating: A+
Locations: Regional
Founded: 1999
Pros:
  • Pros icon Many years of experience
  • Pros icon Great industry reputation
  • Pros icon Low number of customer complaints
Cons:
  • Pros icon No lifetime warranty

Aeroseal Windows has the best window installation for businesses in Glastonbury Center. Aeroseal has over 23 years of experience in the windows industry, and it currently serves 13 states and Washington D.C.

It installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

Aeroseal Windows carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for Energy Star windows when inquiring. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.

How much does Aeroseal Windows cost in Glastonbury Center?

Prices aren't listed on Aeroseal's website, but it provides high-quality windows at a competitive price point. The best way to get more accurate pricing information is to get a free quote from the company.

Window Nation logo
FAST QUOTE
as little as 30 seconds
Best for Residential Windows

Window Nation

★★★★★
BBB Rating: A
Locations: Regional
Founded: 2006
Pros:
  • Pros icon Award-winning company
  • Pros icon Manufactures products in-house
  • Pros icon Custom designs
  • Pros icon Wide variety of products and services
Cons:
  • Pros icon Installation not covered by warranty
  • Pros icon Limited service area

Window Nation is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has about 16 years of experience in the windows industry, and it currently provides services to residents within 75 miles of its showrooms, which are in 13 states. Many positive reviews from customers online back the company's reputation.

You may want to consider choosing Window Nation if you're interested in a installer that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.

Energy Efficiency of Window Nation Windows

Window Nation is an Energy Star partner and offers a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company's windows are Energy Star certified, so make sure to ask your Window Nation representative when inquiring about services.

How much does Window Nation cost in Glastonbury Center?

Window Nation doesn't have any prices displayed on its website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. Getting a free quote on its website is the best way to know for sure.

Please note that the companies in this section are national, meaning the quality of the service may depend on your local crew. We have tried to remain unbiased and transparent by mentioning pros and cons for each provider.

More Window Replacement Companies in Glastonbury Center

Renewal by Andersen - Branford

Branford, CT
4.6
★★★★★
  • Pros icon Timely Service
  • Pros icon No-fee Quotes
  • Pros icon Award-Winning
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Stained Glass
  • Service icon Sliding Glass
  • Service icon Bay Windows

Website: http://www.renewalbyandersen.com/window-company/865-southern-connecticut.aspx
Address: 38 N Harbor St, Branford, CT 06405
Phone: (203) 274-8950

Renewal by Andersen - Southern New England

Windsor Locks, CT
4.6
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Helps Educate Customers
  • Pros icon Locally Recognized for Quality
  • Pros icon Reliable Appointment Windows

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Stained Glass
  • Service icon Sliding Glass
  • Service icon Bay Windows

Website: http://www.renewalbyandersen.com/window-company/905-southern-new-england.aspx
Address: 1000 Old County Cir, Windsor Locks, CT 06096
Phone: (860) 359-4582

Nu-Face Home Improvements

Plantsville, CT
4.3
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Good Customer Service
  • Pros icon Helps Educate Customers
  • Pros icon Award-Winning

Services Offered

  • Service icon Residential Windows
  • Service icon Glass Showers
  • Service icon Energy-Efficient Options
  • Service icon Custom Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://nufacect.com/
Address: 5 Atwater St, Plantsville, CT 06479
Phone: (860) 385-8530

Advanced Window Systems LLC

Cromwell, CT
4.0
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Reliable Service

Services Offered

  • Service icon Glass Showers
  • Service icon Energy-Efficient Options
  • Service icon Custom Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Bay Windows

Website: https://www.advancedwindowsystems.com/
Address: 14 Alcap Ridge, Cromwell, CT 06416
Phone: (860) 744-5770

Mainville Windows & Doors

Newington, CT
4.0
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Free Quotes
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://mainvillewindows.com/
Address: 187 Foxboro Dr, Newington, CT 06111
Phone: (860) 539-9988

United Glass & Mirror Co

Bozrah, CT
4.0
★★★★★
  • Pros icon Locally Recognized for Quality
  • Pros icon Helps Educate Customers
  • Pros icon Price Transparency
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Glass Showers
  • Service icon Heavy Glass
  • Service icon Tempered Glass
  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Sliding Glass

Website: http://www.neglassmirror.com/residential-2/
Address: 15 Stockhouse Rd, Bozrah, CT 06334
Phone: (860) 886-0539

Window World of Hartford

Manchester, CT
3.9
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Excellent Customer Service
  • Pros icon Helps Educate Customers
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Custom Windows
  • Service icon Fast Delivery
  • Service icon Sliding Glass
  • Service icon Double-Hung

Website: https://www.windowworldct.com/
Address: 409 New State Rd, Manchester, CT 06042
Phone: (860) 643-4568

National Vinyl LLC | National Vinyl Windows

Chicopee, MA
3.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Excellent Customer Service
  • Pros icon Charitable Giving
  • Pros icon Price Transparency

Services Offered

  • Service icon Custom Window Designs
  • Service icon Fast Delivery
  • Service icon Sliding Glass
  • Service icon Double-Hung

Website: https://www.nationalvinyl.com/
Address: 7 Coburn St, Chicopee, MA 01013
Phone: (413) 420-0548

V. Nanfito Roofing & Siding

Meriden, CT
3.9
★★★★★
  • Pros icon Timely Service
  • Pros icon Reliable Service
  • Pros icon Free Quotes
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Full-Service Installations
  • Service icon Custom Window Designs

Website: https://www.vnanfito.com/
Address: 558 Hanover St, Meriden, CT 06451
Phone: (203) 639-1634

Mr. Handyman of Norwich, New London and Glastonbury

Norwich, CT
3.9
★★★★★
  • Pros icon Free Quotes
  • Pros icon Award-Winning
  • Pros icon No-Hassle Pricing
  • Pros icon Helps Educate Customers

Services Offered

  • Service icon Custom Windows
  • Service icon Residential Windows
  • Service icon Business Windows
  • Service icon Double-Hung

Website: https://www.mrhandyman.com/norwich-newlondon-ct/
Address: 66 Franklin St Suite 11, Norwich, CT 06360
Phone: (860) 300-3486

Mr. Handyman of Guilford, North and East Haven

East Haven, CT
3.9
★★★★★
  • Pros icon Award-Winning
  • Pros icon Reliable Appointment Windows
  • Pros icon Price Transparency
  • Pros icon Reliable Service

Services Offered

  • Service icon Custom Windows
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.mrhandyman.com/guilford-north-east-haven/
Address: 310 Main St Suite LL-4, East Haven, CT 06512
Phone: (203) 864-3287

Turner Home Improvement Contractors, LLC,

Glastonbury, CT
3.8
★★★★★
  • Pros icon Free Quotes
  • Pros icon Excellent Customer Service
  • Pros icon Timely Service
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Residential Windows
  • Service icon Business Windows
  • Service icon Full-Service Installations
  • Service icon Custom Window Designs

Website: https://www.turnerhomeimprovement.com/
Address: 109 Commerce St H, Glastonbury, CT 06033
Phone: (860) 633-1400

Peter L Brown

Granby, CT
3.8
★★★★★
  • Pros icon Timely Service
  • Pros icon Free Quotes
  • Pros icon Dependable Service
  • Pros icon Helps Educate Customers

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://www.peterlbrown.com/
Address: 133 Hartford Ave, Granby, CT 06035
Phone: (860) 653-3350

Capitol Glass Co Inc

West Hartford, CT
3.8
★★★★★
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon Excellent Customer Service
  • Pros icon Free Quotes

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Doors
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Full-Service Installations
  • Service icon Commercial Windows
  • Service icon Sliding Glass

Website: http://www.capitolglass.com/
Address: 75 Grassmere Ave, West Hartford, CT 06110
Phone: (860) 236-1936

Torrington Replacement Windows

Torrington, CT
3.8
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Helps Educate Customers
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Architectural Glass
  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Bay & Bow Windows

Website: http://www.windowreplacement.net/
Address: 126 Winsted Rd, Torrington, CT 06790
Phone: (860) 482-3543

Clinton Glass

Clinton, CT
3.7
★★★★★
  • Pros icon Price Transparency
  • Pros icon Helps Educate Customers
  • Pros icon Award-Winning
  • Pros icon Good Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Glass Showers
  • Service icon Fast Delivery
  • Service icon Custom Window Designs
  • Service icon Business Windows
  • Service icon Sliding Glass

Website: https://www.clintonglassct.com/
Address: 221 E Main St, Clinton, CT 06413
Phone: (860) 664-3711

Plymouth Glass & Mirror, Inc.

Thomaston, CT
3.7
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Excellent Customer Service
  • Pros icon No-Hassle Pricing
  • Pros icon No-fee Quotes

Services Offered

  • Service icon Glass Showers
  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Doors
  • Service icon Custom Window Designs
  • Service icon Commercial Windows

Website: http://www.plymouthglass.com/
Address: 142 E Main St, Thomaston, CT 06787
Phone: (800) 227-0262

Villwell Builders, LLC

Waterbury, CT
3.7
★★★★★
  • Pros icon Reliable Service
  • Pros icon Reliable Appointment Windows
  • Pros icon Award-Winning
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Commercial Windows

Website: https://www.villwell.com/
Address: 2714 E Main St, Waterbury, CT 06705
Phone: (203) 879-2118

Pella Windows & Doors of West Springfield

West Springfield, MA
3.7
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Free Quotes
  • Pros icon Excellent Customer Service
  • Pros icon Locally Recognized for Quality

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Custom Window Designs
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://www.pellabranch.com/western-massachusetts/showrooms/west-springfield/
Address: 69 Ashley Ave, West Springfield, MA 01089
Phone: (413) 736-9239

Thomas Garbati Builders, LLC

Waterford, CT
3.7
★★★★★
  • Pros icon Dependable Service
  • Pros icon Excellent Customer Service
  • Pros icon No-Hassle Pricing
  • Pros icon Educational Website

Services Offered

  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Double-Hung

Website: http://garbatibuilders.com/
Address: 179 Butlertown Rd, Waterford, CT 06385
Phone: (860) 443-1232

Renewal by Andersen Windows Connecticut

Cromwell, CT
3.6
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Dependable Service
  • Pros icon Free Quotes
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Full-Service Installations
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Bay Windows

Website: http://www.renewalbyandersenct.com/
Address: 800 Corporate Row, Cromwell, CT 06416
Phone: (866) 337-4191

Wallingford Glass

Wallingford, CT
3.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Consistent Workmanship
  • Pros icon Free Quotes

Services Offered

  • Service icon Residential Windows
  • Service icon Tempered Glass
  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Stained Glass

Website: http://wallingfordglass.com/
Address: 801 N Main Street Ext, Wallingford, CT 06492
Phone: (203) 284-1220

How Installing Energy-Efficient Windows in Glastonbury Center Saves You Money

There are several perks of upgrading to energy-efficient windows. A few reasons you may want to consider making the switch are the following:

  • Reduce your carbon footprint: You can reduce your carbon footprint by about 12% after you install Energy Star certified windows. In Glastonbury Center, that's about 147 pounds per year on average.
  • Protect your investment: When your home is on the older side, your windows could also be outdated or leaky. Upgrading your windows is an important part of maintaining your property and its value.
  • Save money on power bills: According to the Department of Energy, heat gained or lost through windows makes up about 25-30% of household energy use. Replacing your windows with energy-efficient models can help reduce that number, therefore saving you about 12% more on your bills.
  • Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only insulate your home better, but also filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.

Estimated Cost of Window Replacement in Glastonbury Center

Windows come in different purposes, shapes and styles, so costs and services will vary remarkably based on several factors. Below, we describe the typical cost and services that you'll find from window installers.

How Much Do New Windows Cost?

The typical cost to replace a single window is about $600 but can range from $200 to $1,200. Costs will differ considerably depending on your location, the current condition of your home, the number of windows you need and the quality of your products. A lot of window companies also offer replacement door installations and other add-ons like shutters, baths, coating and more. These extra services will increase your overall project costs.

With windows, efficiency is one of the most important factors for most homeowners. Efficient windows may cost more off the bat, but by increasing the efficiency of your home — especially during the summer and winter — they can provide decades of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Glastonbury Center homeowners $446+ a year after replacing single-pane windows.

Asking for free quotes from multiple providers is the best way to find out which one will work best for your budget.

What Services do Window Installers Offer?

When it comes to window installations, there are typically two types that your installer will offer: full-frame and pocket installations.

A full-frame installation is a replacement of the full window. It involves taking out the old window, the sill, and the exterior and interior trim. It also involves additional materials, including insulation and drip edges, which increase the overall cost of the project. It's also worth noting that it's not uncommon for homeowners to have to touch up the paint surrounding the window after a full-frame installation. Pocket installations (also known as retrofits) are when you replace a window while leaving the old frame. Pocket installations are on the simpler end and will be less expensive, but you can't do this type of installment if you have any pre-existing rot or water damage.

Your window installer should be able to help you figure out which type of installation you need.

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Great industry reputation
  • Low prices relative to competitors
  • Quality of service will depend on your area

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Award-winning company
  • More expensive than competition

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Many years of experience
  • Great industry reputation
  • Low number of customer complaints
  • No lifetime warranty

How We Choose the Best Window Installers in Glastonbury Center

The EcoWatch Reviews team is different from most reviewers, as we're examining these companies through a sustainability lens. Along with energy efficiency, we analyzed window companies all across the state and ranked them based on the following methodology:

Service Area

This one is pretty self-explanatory, but we've chosen to highlight window installers that serve a wide variety of states and cities so you can find the right window installation company near you.

Work Quality

We're willing to bet that you're not looking for a company to do a shoddy job installing windows. We've vetted each installer featured on this list to make sure its technicians are well-qualified and that the company has gotten tons of positive customer feedback to vouch for its service.

Customer Reviews

Another self-explanatory yet super important review factor is customer feedback. If most customers don't have positive things to say about their service from a certain company, you won't see it featured on EcoWatch.

Cost

This one is a give-and-take: as with most services, cheap window installers are not going to provide the highest quality service. On the other hand, we want to make sure we're highlighting companies that offer a range of price and financing options so they're accessible to most homeowners.

Warranty

Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Lastly, we like to see companies that have a good track record in the industry. Window installers that have more experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.

Glastonbury Center, CT Window Replacement FAQs

What is the average cost to replace windows?

The average cost to replace one window can range between $450 and $650. There are a variety of factors that influence the price, which include styles and sizes of windows, the materials used in designing the windows, the number of windows, how energy-efficient the windows are, local labor costs and your property's location.

What are the types of windows?

The most common types of windows for homes include: picture windows, slider windows, casement windows, bay windows, transom windows, double-hung and single-hung windows and awning windows.

When do I need to use a window installation company?

You should use a window installation professional whenever you need to upgrade your windows. Installing windows is a involved process that can take a lot of time, so it's best left to the professionals.

How long does it take to install windows?

Since the average installation time is 30 minutes per window, about 16 windows can be installed during a typical 8-hour work day.

Should I replace my windows all at once?

If you want to get more efficient windows and save money on your energy bills, replacing all the windows together is the only way to see a noticeable difference. However, if you have just a few windows that are damaged or drafty, you can replace just those.

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