20 Best Window Companies in Chicago, IL (2023 Reviews)

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

We analyzed all the top-rated window companies in Chicago and selected the best 20 based on:

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

By EcoWatch Local Advisors

Updated September 15, 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 environmentally friendly energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's energy efficiency can also have a big impact on home energy conservation. Potential leaks or drafts can reduce your home's energy efficiency by up to 30%, according to the Department of Energy. In Chicago, that's around $298 per year that you could save on your electric bills after making the switch.

Luckily, helping you save energy with more efficient windows also aligns with our goals of conserving energy and the resources it takes to produce it.

So if you're building a new home, renovating or changing out old windows in Chicago, you've found the best place to get started.

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

Best Window Installation & Replacement Companies in Chicago

The EcoWatch Reviews team examined several window providers in Chicago to find the top ones for our readers. We assessed the installers on energy-efficient offerings, local experience, coverage area, customer service, price 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 EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. This provider has 27 years of experience in the windows industry, and it has established itself as one of the most respected companies in the business.

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

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 be sure to mention that you want Energy Star windows when inquiring.

How much does Window World cost in Chicago?

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 information is to ask for 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 Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen provides the best availability in Chicago. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has 27 years of experience in the windows industry, and it has proved to be one of the most reputable companies in the business. Its reputation is backed by a considerable amount of positive reviews from customers online.

You may want to consider picking 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. 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.

How much does Renewal by Andersen cost in Chicago?

Andersen does not detail 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. Getting a free quote on its website is the best way to get more accurate information.

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 provides the best warranty in Chicago. Universal has over 20 years of experience in the industry, and it currently provides services to 27 states nationwide. Hundreds of positive reviews on customer review websites back the provider's reputation.

It 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’re interested in Energy Star windows when inquiring.

How much does Universal Windows Direct cost in Chicago?

Pricing information is not available on Universal’s website since the cost of window installment depends on how many and what type(s) of windows you need. However, 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. Receiving a free quote on its website is the best way to get more accurate pricing information.

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 provides the best residential windows in Chicago. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has 16 years of experience in the windows industry, and it has proved to be one of the most reputable companies in the business. Its reputation is backed by a considerable amount of positive reviews from customers online.

You may want to consider picking Window Nation if you're looking for 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want 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 Chicago?

Window Nation does not detail prices 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 get more accurate information.

We try to stay unbiased and transparent by describing pros and cons for every company we review. Additionally, our rankings are not influenced by any partnerships.

More Window Companies in Chicago

Renewal by Andersen of Chicago

Glenview, IL
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

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

Website: https://www.renewalbyandersen.com/window-company/080-chicago-il/about-us
Address: 2300 Ridge Dr, Glenview, IL 60025
Phone: (847) 486-5680

Window World Western Chicago

Lisle, IL
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: https://www.windowworldwesternchicago.com/
Address: 4646 Western Ave, Lisle, IL 60532
Phone: (331) 903-6873

Window Nation

Romeoville, IL
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: https://www.windownation.com/chicago_showroom/
Address: 1263 Lakeview Dr, Romeoville, IL 60446
Phone: (815) 306-8024

Evergreen Door & Window

Evergreen Park, IL
4.4
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Sliding Glass
  • Service icon Double-Hung
  • Service icon Aluminum Window Frames
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Fast Delivery

Website: https://www.evergreenwindow.com/
Address: 3800 95th St, Evergreen Park, IL 60805
Phone: (708) 419-2116

Pegasus windows Inc.

Westchester, IL
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Bay Windows
  • Service icon Window Replacement
  • Service icon Custom Window Designs
  • Service icon Double-Hung
  • Service icon Residential Windows
  • Service icon Fast Delivery

Website: http://www.pegasusinchicago.com/
Address: 1359 Newcastle Ave, Westchester, IL 60154
Phone: (708) 639-5217

Lang Exterior

Chicago, IL
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: http://langexterior.com/
Address: 2529 N Pulaski Rd, Chicago, IL 60639
Phone: (773) 772-6800

Best Windows Inc

La Grange Park, IL
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Commercial Windows
  • Service icon Custom Window Designs
  • Service icon Window Replacement
  • Service icon Bay Windows
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames

Website: http://bestwindows.net/
Address: 1112 Cleveland Ave, La Grange Park, IL 60526
Phone: (708) 204-2446

Commercial Windows & Glass Company

Chicago, IL
4.3
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Residential Windows
  • Service icon Sliding Glass
  • Service icon Glass Showers
  • Service icon Aluminum Window Frames
  • Service icon Double-Hung
  • Service icon Window Repair
  • Service icon Custom Window Designs
  • Service icon Window Replacement
  • Service icon Commercial Windows
  • Service icon Tempered Glass

Website: https://commercialwindowsofchicago.com/
Address: 61255 W Henderson St, Chicago, IL 60634
Phone: (773) 945-5415

EDMAR Contractors Inc.

Chicago, IL
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: http://www.illinoissidinginstaller.com/
Address: 4413 W Montrose Ave #1, Chicago, IL 60641
Phone: (312) 222-0200

New Edge Window Replacement

Chicago, IL
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Timely Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Double-Hung
  • Service icon Tempered Glass
  • Service icon Bay Windows
  • Service icon Residential Windows
  • Service icon Energy-Efficient Options
  • Service icon Window Repair
  • Service icon Window Replacement

Website: https://newedgewindowreplacement.com/
Address: 7155 W Belmont Ave, Chicago, IL 60634
Phone: (773) 243-4290

Chicago Windows & Doors

Chicago, IL
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Timely Service

Services Offered

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

Website: https://chicagowindowsdoors.com/
Address: 225 W Washington St STE 2200, Chicago, IL 60606
Phone: (312) 899-6643

Valdicass Inc.

Brookfield, IL
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options

Website: https://www.valdicass.com/
Address: 8920 47th St, Brookfield, IL 60513
Phone: (708) 255-5231

Gilkey Window Company - Chicago Ridge

Chicago Ridge, IL
4.3
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

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

Website: https://www.gilkey.com/location/chicago-ridge-il/
Address: 10160 Virginia Ave, Chicago Ridge, IL 60415
Phone: (708) 229-2340

Midwest Windows Direct

Chicago, IL
4.1
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Double-Hung
  • Service icon Window Replacement
  • Service icon Energy-Efficient Options

Website: https://mymidwestwindows.com/
Address: 3256 W Ogden Ave, Chicago, IL 60623
Phone: (773) 786-9401

Transparent Window & Glass Company

Oak Park, IL
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Window Repair
  • Service icon Custom Window Designs
  • Service icon Fast Delivery

Website: http://transparentoakpark.com/
Address: 815 Lake St #2n, Oak Park, IL 60301
Phone: (708) 634-8211

ClimateGuard Windows & Doors - Factory Showroom

Chicago, IL
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

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

Website: http://climateguardwindows.com/
Address: 2622 N Pulaski Rd, Chicago, IL 60639
Phone: (773) 278-3600

USA Board Up & Glass Co.

Lyons, IL
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

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

Website: http://boardupandglasspros.com/
Address: 4320 1st Ave, Lyons, IL 60534
Phone: (888) 310-0006

Nombach Roofing and Tuckpointing

Chicago, IL
4.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Fast Delivery

Website: https://www.nombach.com/
Address: 819 N Milwaukee Ave, Chicago, IL 60642
Phone: (708) 388-1090

Horan Glass Block + Window

6742 W Archer Ave, IL
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.horanglassblock.com/
Address: Horan Glass Block Window, 6742 W Archer Ave, Chicago, IL 60638
Phone: (773) 586-4808

Siding & Windows Group

Chicago, IL
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

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

Website: https://sidinggroup.com/
Address: 1802 W Berteau Ave #101, Chicago, IL 60613
Phone: (773) 348-5900
Chicago Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Chicago, IL using our customized window cost calculator.

Estimated Window Cost:
161 homeowners have requested a free estimate in the last 3 days.

Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.

How Installing Energy-Efficient Windows in Chicago Saves You Money

Switching to energy-efficient windows can improve the comfort of your home and help you save on electricity bills. Here's more information on how switching out your windows could benefit you:

  • Save on electricity bills: The Department of Energy estimates that heat gained or lost through windows makes up about 25-30% of energy use in your home. Installing energy-efficient windows can help decrease that number, which helps you save more on your bills.
  • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
  • 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, drafty or maybe even damaged in some way. Upgrading your windows could help raise the value of your home if you decide to sell.
  • Better temperature control in your home: When you reside in a city like Chicago where the winters can get very cold, you usually need to rely on your heater to keep your home warm. Energy-efficient windows can decrease how hard your heater needs to work to heat your home.

Estimated Cost of Window Replacement in Chicago

Windows come in all shapes and sizes, so costs and services will vary tremendously. Here are the typical costs and services that you can find from window installers.

How Much Do New Windows Cost?

The average cost to install a single window is about $600 but can range anywhere from $200 to $1,200. These amounts vary depending on specific characteristics of your installation, including size, number of windows, the location of your home, material, type and more.

Bear in mind that energy-efficient windows may cost more, but Energy Star estimates the upgrade will save you between $101 and $583 per year when you install single-pane windows and between $27 and $197 per year when you install double-pane, clear glass windows. Your exact savings will vary depending on your local climate, energy rates and individual home characteristics.

Something else that influences the total cost is the material you select for your frame. Aluminum frames are usually the least pricey and are sturdy and light, but they provide poor insulation. On the other hand, wood frames cost the most, as they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.

What Services do Window Installers Offer?

When considering window replacements, there are typically two types that your provider will have: 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 can also involve other materials, like insulation and drip edges, which raise the overall cost of the project. It's also worth noting that you may have to touch up the paint surrounding the window after a full-frame installation. A pocket installation means replacing a window without removing the complete frame, which is usually less expensive than a full-frame installation.

If you're hiring a reputable window installation company, your company can advise you on the best type for your project. In Chicago, the choice will mostly depend on how much damage there is currently and how old your existing frames are.

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

How We Choose the Best Window Installers in Chicago

EcoWatch reviews are different from most reviews since we evaluate these companies through a sustainability lens. Along with energy efficiency, we analyzed several window installers in Chicago and assigned rankings based on the following methodology:

Service Area

Since this is a guide for Chicago, we gave more points to companies that serve the city. There are certainly other reputable providers that didn't make the cut because they wouldn't be able to serve homeowners in Chicago.

Work Quality

When installing new windows, the quality and range of services often plays just as important of a role in overall efficiency and performance as the brand you opt for. 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 patterns in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across nearly every category, including quality of installation, cost, professionalism, quality of parts, warranty and more.

Cost

Cheaper windows don't necessarily mean better windows, but we know many of our readers try to keep costs low when possible. When analyzing the prices of providers, we awarded higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.

Warranty

Protecting your investment in new windows is important to many homeowners. That's why window installation companies that have lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Last but not least, we like to see companies that have a good track record in the industry. Window installers that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.

Chicago, IL Window Replacement FAQs

What is the average cost to install new windows?

The national average cost of installing one window is about $600 but can range from $200 to $1,200, based on a variety of factors. The price is often influenced by the size of the window, the location of your property and the type and material of the window. Also, remember that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.

What type of window is the best for energy efficiency?

Generally, double-pane windows will be more efficient than single-pane windows and windows that don't open will be more efficient than windows that do. To be sure you're getting the most energy-efficient windows, look for models that have the blue Energy Star certification — this means they're certified energy-efficient by the U.S. Department of Energy.

Can you install your own windows?

If you're handy and know how to replace a window, it's possible to install your own windows. But if you don't have the time or know-how, we recommend hiring a professional.

How often do you need to replace windows?

Windows usually have a lifespan of about 20 to 30 years, but anytime you see damage on your windows, it's a good idea to have an expert take a look at them to determine if they are in need of a repair or replacement.

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