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

Are you looking to replace your windows? Our list of the best window installation companies can help you narrow down which one to pick.

We analyzed all the top-rated window companies in Northlake 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.

A guide on the top window replacement companies in Northlake may not seem like the most riveting article on EcoWatch, but trust us, windows impact your life more than you might think. Drafty windows could lead to having higher energy bills during the winter or summer months.

Installing efficient windows on your property can help you save money each month on your electric bills — and you can help the environment as well.

As windows have such a great impact on your home, selecting the right company for you is a big decision to make. That's why the EcoWatch team has curated this list of the top window replacement companies, so you can make an informed decision more easily.

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 Northlake

The EcoWatch team researched several window installation companies across Northlake to narrow our list down to the best ones. The installers mentioned in this article scored best in our review categories, such as energy-efficient offerings, customer service, availability, local expertise, 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. Window World has around 27 years of industry experience, and it currently provides services to 200 locations nationwide. The provider has a lot of positive reviews from customers online.

Window World may be the company for you if you want one 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 windows are Energy Star certified, so be sure to mention that you’d like Energy Star windows when inquiring.

How much does Window World cost in Northlake?

Prices aren’t available on Window World’s website, but it's known for offering some of the most affordable window installations around. Receiving a free quote on its website is the best way to get more accurate pricing information.

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 is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of industry experience, and it currently provides services to nearly every state except Mississippi and West Virginia. The provider has a lot of positive reviews from customers online.

Andersen may be the company for you if you want one 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

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 be sure to mention that you’d like Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Northlake?

Prices aren’t available 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. Receiving a free quote on its website is the best way to get more accurate pricing 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 offers the best warranty in Northlake. This provider has 20 years of experience in the window installation industry, and it has become one of the most reputable companies in the business. Its reputation is backed by many positive reviews on customer review websites.

Universal may be the company for you if you're looking for one that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

Universal Windows Direct 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. 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.

How much does Universal Windows Direct cost in Northlake?

Universal doesn’t have any cost information available on its 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. If you’d like more accurate information, you can inquire about a quote on the company’s website.

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 around 16 years of industry experience, and it currently provides services to residents within 75 miles of its showrooms, which are in 13 states. The provider has a lot of positive reviews from customers online.

Window Nation may be the company for you if you want one 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

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. Not all of Window Nation’s windows are Energy Star certified, so be sure to mention that you’d like Energy Star windows when inquiring.

How much does Window Nation cost in Northlake?

Prices aren’t available on Window Nation’s 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. Receiving a free quote on its website is the best way to get more accurate pricing information.

We strive to be unbiased and transparent by listing pros and cons for every company. Additionally, any partnerships do not affect our reviews.

More Window Companies in Northlake

Renewal by Andersen of Chicago

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

Services Offered

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

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 Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

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 Educational Website
  • Pros icon Good Customer Service

Services Offered

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

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

SmardBuild Construction

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

Services Offered

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

Website: https://www.smardbuild.com/
Address: 924 S Westwood Ave, Addison, IL 60101
Phone: (630) 237-4205

Scientific Home Services Ltd

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

Services Offered

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

Website: https://www.shschi.com/
Address: 5639 W Howard St, Niles, IL 60714
Phone: (847) 752-0370

Real Exteriors

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

Services Offered

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

Website: http://realexteriors.com/
Address: 3740 25th Ave, Schiller Park, IL 60176
Phone: (847) 305-3959

Pegasus windows Inc.

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

Services Offered

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

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

Best Windows Inc

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

Services Offered

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

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

Lang Exterior

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

Services Offered

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

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

Opal Enterprises Windows & Siding Company

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

Services Offered

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

Website: https://www.opalexteriors.com/service-areas/des-plaines/
Address: 1239 Rand Rd, Des Plaines, IL 60016
Phone: (847) 979-9896

EV Windows & Doors, Inc.

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

Services Offered

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

Website: https://evwindowsinc.com/
Address: 9344 Knight Ave, Des Plaines, IL 60016
Phone: (847) 612-8894

Ultimate Home Solutions

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

Services Offered

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

Website: https://www.ultimatehomesolutions.net/
Address: 466 Roosevelt Rd, Glen Ellyn, IL 60137
Phone: (630) 757-8694

Commercial Windows & Glass Company

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

Services Offered

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

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

Horizon Restoration

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

Services Offered

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

Website: http://www.horizonrestoration.com/
Address: 7122 W Higgins Ave, Chicago, IL 60656
Phone: (773) 219-1688

Semko Inc.

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

Services Offered

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

Website: http://www.semkoinc.com/
Address: 6259 W Touhy Ave, Chicago, IL 60646
Phone: (773) 631-1060

New Edge Window Replacement

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

Services Offered

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

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

EDMAR Contractors Inc.

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

Services Offered

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

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

Erie Home

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

Services Offered

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

Website: https://www.eriehome.com/location/chicago/
Address: 414 Eisenhower Ln N North, Lombard, IL 60148
Phone: (630) 228-9210

Sears Window Replacement

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

Services Offered

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

Website: https://www.searshomeservices.com/locations/hi/window-replacement/il/niles
Address: 9411 N Greenwood Ave, Niles, IL 60714
Phone: (224) 470-1296

Durabuilt Home Improvements, Inc.

Elmhurst, IL
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.durabuilthi.com/
Address: 747 Church Rd Suite C2, Elmhurst, IL 60126
Phone: (630) 941-1800
Northlake Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Northlake, 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 Northlake Saves You Money

When you switch to energy-efficient windows, you may see several benefits, including:

  • Protect your investment: If your home is on the older side, your windows are most likely outdated. Updating your windows can improve the insulation in your home and also help increase the value of your property if you decide to sell.
  • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
  • Save on power bills: Upgrading to energy-efficient windows reduces your energy bills by about 12% because you use less energy.
  • More efficient energy usage in your home: In Northlake where the winters can get very cold, energy-efficient windows reduce the amount of heat that is lost through your windows, making it easier to keep your house warm.

Estimated Cost of Window Replacement in Northlake

Let's take a look at the cost of window replacement and the kinds of services you may need for your home.

How Much Do New Windows Cost?

The average cost to install one window is about $600 but can range from $200 to $1,200. How much it will cost you depends on several factors, such as type, size, the location of your home, number of windows, material and more.

It's important to keep in mind that windows with higher efficiency may cost more initially but can save you hundreds of dollars by decreasing your energy bills. Investing in Energy Star certified windows can save Northlake homeowners $295+ a year when replacing single-pane windows.

Costs will also vary depending on the material you pick for your window frames. Aluminum frames are the least expensive. They're sturdy, light and maintenance-free, but provide poor insulation. Vinyl frames are somewhat expensive and provide good insulation. Composite frames made using wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames cost the most 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 getting new windows is: Should you get a full-frame installation or a pocket installation?

Full-frame installations are usually recommended when you want to change the style of your windows or your window has significant rot. With this service, your professionals will replace the whole window, including the frame, trim and sill. Pocket installations (or retrofits) entail replacing a window within the existing frame, which makes pocket installations take less time and therefore cost less. However, 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 type of installation to get, you can talk to your provider and get their recommendation. The choice mostly depends on how old the frames are and if there's any damage present.

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 Northlake

EcoWatch reviews differ from other reviews because we're examining these companies through a sustainability lens. We have evaluated the best window replacement companies in Northlake primarily based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows can reduce your power 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 the best window installation company near you.

Work Quality

We're certain that you're looking for a company to do a great job installing windows. We've vetted each installer included in our guide to ensure its technicians are well-qualified and that the company has gotten tons of positive customer feedback to vouch for its service.

Customer Reviews

Customer feedback is another very important review factor. If most customers don't have good feedback about their service from a certain window installation company, you won't see it featured on EcoWatch.

Cost

Cheaper windows don't necessarily mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing providers' prices, 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. For that reason, window installation companies that provide lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

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

Northlake, IL Window Replacement FAQs

How much does a window install cost?

The national average cost of installing a window is around $600 but can range from $200 to $1,200, depending on several factors. The price is generally dependent on 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 upfront but can save you a decent amount of money a year in energy bills.

What kind of window is the best for energy efficiency?

A window's energy efficiency is affected by a variety of factors, including the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are usually the most energy-efficient since they are certified by the U.S. Department of Energy.

Can you replace your own windows?

If you're handy and have the time and patience to do the job right, it's possible to install your own windows. But if you don't have the time or skills, we recommend getting a professional to do it for you.

When is the best time of year to replace windows?

Even though you can install windows any time of year, warmer weather is often better for installing replacement windows. Additionally, the weather should be dry, since rain can make the installation more difficult.

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