24 Best Window Replacement Companies in Berkeley, MO (2023 Reviews)
Window Companies Near Me

When it's time to replace your windows, our list of the best window installation companies can help you find the right provider for you.

We analyzed all the top window installers in Berkeley and selected the top 24 based on:

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

By EcoWatch Local Advisors

Updated May 04, 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.

Although eco-friendly energy sources like wind and solar are important when it comes to reducing your carbon footprint, improving your house's efficiency can also have a big impact on home energy conservation. During the summer months, the last thing you want is your cool air to leak out of your drafty windows.

Installing energy-efficient windows on your home can help you save money every month on your electricity bills — and you can help the environment, too.

As windows are so important for your home, selecting the right company for you is a big choice to make. That's why the EcoWatch team has made this list of the top window installation companies, so you can make an informed decision more easily.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Award-winning company
  • Great industry reputation
  • Member of US Green Building Council
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Low prices relative to competitors
  • EnergyStar Partner
  • Quality of service will depend on your area

Best for Residential Windows

Window Nation

★★★★★
4

  • Manufactures products in-house
  • Award-winning company
  • Custom designs
  • Installation not covered by warranty

Best Window Replacement Companies in Berkeley

The EcoWatch team assessed many window providers across Berkeley to narrow our list down to the top ones. The installers mentioned in this article scored the best in our review categories, which include energy-efficient offerings, availability, customer service, local expertise, price and more.

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 Award-winning company
  • Pros icon Great industry reputation
  • Pros icon Member of US Green Building Council
Cons:
  • Pros icon No lifetime warranty

Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of experience in the window installation sector.

You may want to consider going with Andersen if you're looking for a installer that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.

Energy Efficiency of Renewal by Andersen Windows

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

How much does Renewal by Andersen cost in Berkeley?

Andersen does not list prices on its 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 pricing information, you can receive a quote on the company's website.

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 Low prices relative to competitors
  • Pros icon EnergyStar Partner
Cons:
  • Pros icon Quality of service will depend on your area

Window World has windows expertise in Berkeley. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has around 27 years of experience in the window replacement sector. Many positive reviews on customer review websites back the provider's reputation.

It 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

There are a wide variety of window types available from Window World, some of which are Energy Star products. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.

How much does Window World cost in Berkeley?

Prices aren't listed 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 pricing information is to receive 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 Manufactures products in-house
  • Pros icon Award-winning company
  • Pros icon Custom designs
Cons:
  • Pros icon Installation not covered by warranty

Window Nation provides the best residential windows in Berkeley. This window installation company has been in business since 2006 and currently serves residents within 75 miles of its showrooms, which are in 13 states. The provider has hundreds of glowing reviews from customers on online review websites.

It 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 carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for high-quality Energy Star windows when inquiring. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.

How much does Window Nation cost in Berkeley?

Prices are not available on Window Nation's website, as the cost of window installment varies greatly based on how many and what type(s) of windows you need. However, 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. For more accurate information on the cost, you can ask for a quote from the company.

Universal Windows Direct logo
FAST QUOTE
as little as 30 seconds
Best Warranty

Universal Windows Direct

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 2002
Pros:
  • Pros icon Makes charitable contributions
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Limited service area
  • Pros icon Some installations carried out by third-party contractors
  • Pros icon Quality of service will depend on your area

Universal Windows Direct has the best warranty in Berkeley. This company has been in business since 2002 and currently services 27 states nationwide. Many positive reviews from customers online back the provider's reputation.

It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products. Not all of Universal's windows are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Universal Windows Direct cost in Berkeley?

Prices aren't listed on Universal's website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. You can ask for a free quote on its website for more information about the cost.

One thing to note is that the following companies are national, which means the quality of customer service may depend on your local team. We have tried to be unbiased and transparent by listing pros and cons for each company.

More Window Replacement Companies in Berkeley

Penny Window

St. Louis, MO
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Fast Delivery
  • Service icon Tempered Glass
  • Service icon Double-Hung
  • Service icon Commercial Windows

Website: https://pennywindowstl.com/
Address: 9910 Halls Ferry Road, St. Louis, MO 63136
Phone: (314) 867-4355

The Blind Broker of St. Louis

St Peters, MO
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Custom Window Designs
  • Service icon Full-Service Installations
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows

Website: https://theblindbrokerstl.com/
Address: 2907 N St Peters Pkwy, St Peters, MO 63376
Phone: (314) 866-8840

Window World of St. Louis

Earth City, MO
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.windowworldstlouis.com/
Address: 3600 Rider Trail S, Earth City, MO 63045
Phone: (314) 993-1800

Chaney Windows And Doors

Maryland Heights, MO
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: http://chaneywindowsanddoors.com/
Address: 80 Weldon Pkwy, Maryland Heights, MO 63043
Phone: (636) 699-6353

Two Blind Guys

Des Peres, MO
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows

Website: https://www.twoblindguys.com/
Address: 1066 N Ballas Rd, Des Peres, MO 63131
Phone: (314) 698-2090

Budget Blinds of Clayton & University City, West & South St. Louis

Manchester, MO
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Fast Delivery
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://budgetblinds.com/clayton-university-city-mo/
Address: 254 Old Sulphur Spring Rd, Manchester, MO 63021
Phone: (636) 529-0632

Window Nation

Overland, MO
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Double-Hung

Website: https://www.windownation.com/stlouis-showroom/
Address: 1913 Belt Way Dr, Overland, MO 63114
Phone: (314) 279-8249

Empire Supply Co

St. Louis, MO
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Tempered Glass
  • Service icon Double-Hung
  • Service icon Commercial Windows

Website: http://empiresupplystl.com/
Address: 7286 Manchester Rd, St. Louis, MO 63143
Phone: (314) 645-2633

Masonry & Glass Systems Inc

St. Louis, MO
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Double-Hung

Website: https://www.masonryglass.com/
Address: 1503 S Kingshighway Blvd, St. Louis, MO 63110
Phone: (314) 535-6515

Triton Exteriors

St. Louis, MO
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://triton-stl.com/
Address: 7526 Big Bend Blvd, St. Louis, MO 63119
Phone: (314) 717-1159

Sears Window Replacement

Bridgeton, MO
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Double-Hung

Website: https://www.searshomeservices.com/locations/hi/window-replacement/mo/bridgeton
Address: 12930 Hollenberg Dr, Bridgeton, MO 63044
Phone: (314) 325-8649

Mr. Handyman of Central St. Louis County

Maryland Heights, MO
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.mrhandyman.com/st-louis-county/
Address: 9 Midland Ave Apt D, Maryland Heights, MO 63043
Phone: (314) 266-0360

Home Services at The Home Depot

Brentwood, MO
3.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Commercial Windows

Website: https://www.homedepot.com/l/Hanley-Rd-40/MO/Brentwood/63144/3002/services
Address: 1603 S Hanley Rd, Brentwood, MO 63144
Phone: (314) 279-3869

STL Windows and Doors

St. Louis, MO
3.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

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

Website: http://stlwindowanddoors.com/
Address: 12150 Lackland Rd, St. Louis, MO 63146
Phone: (314) 277-5952

STL Design and Build

Maryland Heights, MO
3.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Double-Hung

Website: https://www.stldesignandbuild.com/
Address: 11088 Millpark Dr Apt 140, Maryland Heights, MO 63043
Phone: (314) 736-5800

Kirkwood Glass Co

Kirkwood, MO
3.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Showers
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Full-Service Installations
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Tempered Glass
  • Service icon Double-Hung

Website: http://www.kirkwoodglass.com/
Address: 300 S Kirkwood Rd, Kirkwood, MO 63122
Phone: (314) 966-0272

Crystal Windows & Door Systems

Fenton, MO
3.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Fast Delivery
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://crystalwindows.com/
Address: 300 Axminister Dr, Fenton, MO 63026
Phone: (636) 305-7880

Building Envelope Experts

Fenton, MO
3.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Double-Hung

Website: https://www.buildingenv.com/
Address: 1576 Fencorp Dr Suite 160, Fenton, MO 63026
Phone: (314) 310-7878

St. Louis Blinds and Shutters

Ballwin, MO
3.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Commercial Windows

Website: https://www.stlouisblindsandshutters.com/
Address: 108 Holloway Rd, Ballwin, MO 63011
Phone: (314) 574-6035

Glass Doctor of Greater St. Louis

St. Louis, MO
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Tempered Glass
  • Service icon Double-Hung
  • Service icon Commercial Windows

Website: https://glassdoctor.com/st-louis/
Address: 9400 Manchester Rd, St. Louis, MO 63119
Phone: (314) 962-4344

Mr. Handyman of St. Charles Co. and Chesterfield Valley

St Peters, MO
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

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

Website: https://www.mrhandyman.com/st-charles-co-chesterfield-valley/
Address: 4051 N St Peters Pkwy Unit 4053C, St Peters, MO 63304
Phone: (636) 888-0017

Viviano Windows & Door

Webster Groves, MO
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Free assessment

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Commercial Windows

Website: https://viviano-inc.com/
Address: 7530 Watson Rd, Webster Groves, MO 63119
Phone: (314) 353-8350

Alenco Inc.

Fenton, MO
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Glass Showers
  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Commercial Windows

Website: https://www.alenconline.com/remodelers-st-louis/
Address: 5 Cassens Ct, Fenton, MO 63026
Phone: (314) 480-6264

Hyperion Glass Company

St. Louis, MO
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

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

Website: http://hyperionglassco.com/
Address: 2357 Grissom Dr, St. Louis, MO 63146
Phone: (314) 920-9417

How Installing Energy-Efficient Windows in Berkeley Saves You Money

Energy-efficient windows can offer benefits in several ways. Here are a few reasons you may want to consider making the switch:

  • Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
  • Save money on energy bills: Switching to energy-efficient windows lowers your energy bills by about 12% since you use less energy.
  • Protect your investment: The older your home is, the more likely you are to benefit from switching to energy-efficient windows. Older homes tend to have windows that are outdated, leaky or potentially even damaged in some way. Upgrading your windows could help increase the value of your home if you decide to sell.
  • Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your home, you can cut your indirect greenhouse gas emissions by about 12%, according to Energy Star.

Estimated Cost of Window Replacement in Berkeley

Windows come in different styles, purposes and shapes, so costs and services will differ tremendously depending on several factors. Below, we go over the average cost and services that you can get from window installation companies.

How Much Do New Windows Cost?

According to our market research, the national average cost to install a single window is about $600. However, window replacement costs can range from $200 to $1,200 for each window. But costs will vary considerably depending on your location, the quality of your products, the number of windows you need and the current condition of your home. A lot of window companies also offer door installations and other add-ons like coating, baths, shutters and more. Additional services will increase your overall project costs.

Whether or not you pick energy-efficient windows is another factor that will affect the cost. These will usually cost more than other windows, but on the other hand, you can save about $376 a year on your energy bills in Berkeley.

Costs will also vary based on the material you choose for your window frames. Aluminum frames cost the least. They're sturdy, light and easy to maintain, but provide poor insulation. Vinyl frames are somewhat expensive and provide good insulation. Composite frames made with wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames are the most expensive and are the most in-demand. They're also aesthetically pleasing and provide decent insulation for your home.

What Services do Window Installers Offer?

The first thing to ask yourself when considering a window replacement is: Should you get a full-frame installation or a pocket installation?

Full-frame installations require replacing the entire window — the sill, frame, trim and all. These are most common when you want a different style for your windows or when it has a great amount of damage. Full-frame installations are more involved and will increase overall costs. Pocket installations (or retrofits) involve installing a new window within its existing frame, which makes pocket installations take less time and therefore cost less. But, if the frame has any damage or rot, you will likely need a full-frame installation instead.

If you're still trying to decide which kind of installation to get, you can ask your installer and get their advice. The decision mostly is influenced by how old the frames are and if there's any damage present.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Award-winning company
  • Great industry reputation
  • Member of US Green Building Council
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Low prices relative to competitors
  • EnergyStar Partner
  • Quality of service will depend on your area

Best for Residential Windows

Window Nation

★★★★★
4

  • Manufactures products in-house
  • Award-winning company
  • Custom designs
  • Installation not covered by warranty

How We Choose the Best Window Installers in Berkeley

EcoWatch reviews are different from other reviews since we evaluate these companies through a sustainability lens. We've evaluated the best window replacement companies in Berkeley mainly based on energy efficiency, as it's the most sustainable option and the best one for homeowners. Energy-efficient windows have been shown to cut your electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

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

Work Quality

When it comes to new windows, the quality and breadth of services can often play just as important of a role in overall efficiency and performance as the type of window you get. We do give window installers more points if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

Customer Reviews

We analyzed trends in recent online reviews to find the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it reflects the quality of services across nearly every category, including cost, warranty, quality of parts, quality of installation, professionalism and more.

Cost

This one is a give-and-take: similar to most services, cheap window companies are not going to provide the most quality service. On the other hand, we want to ensure we're highlighting companies that provide a wide 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. That's why window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Due to Berkeley's climate, homeowners will want to mitigate water damage, low efficiency and rot. We factored in local experience to reflect the ability of Berkeley window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.

Berkeley, MO Window Replacement FAQs

What is the average cost to replace windows in a home?

The typical cost to replace one window can range from $450 to $650. There are many factors that affect how much it costs, which include your property's location, local labor costs, the materials used in designing the windows, styles and sizes of windows, the number of windows and how energy-efficient the windows are.

What are the most common kinds of replacement windows?

There are various types of windows you can get for your house, including transom windows, double-hung and single-hung windows, picture windows, awning windows, casement windows, bay windows and slider windows.

When should I use a window installation company?

Unless you have home repair skills and have all the tools you need to replace your own windows, we recommend hiring a professional. The process of installing windows is quite involved and can take anywhere from four to six hours for one window. Although it's tempting to try to save some money by doing it yourself, hiring a professional is a faster, more efficient and much safer option.

How long does it generally take to install windows?

Each window takes about 30 minutes to install based on the type of window. However, the window installation can be a two-day job — or more — if you have a lot of windows that have to be installed.

Should I replace my windows all at the same time?

If you're upgrading your windows to get more efficient windows, replacing all of your windows together is the only way to see a noticeable difference. On the other hand, if you have only one or two windows that are broken or leaky, you can replace just those.

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