20 Best Window Companies in Merrillville, IN (2025 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 Merrillville 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 January 24, 2025

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.

Whether you're updating for style or have damaged windows, windows play a vital role in conserving your home's electricity. If your house has old or damaged windows, your HVAC system could be working overtime to heat or cool your home. This means higher energy bills.

Luckily, helping you save money with more efficient windows also helps our goals of reducing energy usage for the environment.

Unlike other review sites, EcoWatch ranks window installation companies based on energy efficiency while also balancing cost, customer satisfaction and service area.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Window Installation & Replacement Companies in Merrillville

The EcoWatch team evaluated dozens of companies that service the Merrillville area to find the best window installation companies that fit our standards. The providers mentioned in this article scored best in our categories, including energy-efficient offerings, customer service, price, availability and more.

Window World logo
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 provides windows expertise in Merrillville. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been in business since 1995 and currently provides services to 200 locations nationwide.

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

Window World’s commitment to sustainability shows in its energy-efficient window offerings. 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 Merrillville?

Prices aren’t listed on Window World’s website, but it's known for offering some of the most affordable window installations around. For more accurate information on pricing, you can request a quote from the company.

Renewal by Andersen logo
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 Merrillville. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been in business since 1995 and currently provides services to nearly every state except Mississippi and West Virginia.

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

Renewal by Andersen’s commitment to sustainability shows in its energy-efficient window offerings. 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 Merrillville?

Prices aren’t listed 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. For more accurate information on pricing, you can request a quote from the company.

Window Nation logo
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 Merrillville. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has been in business since 2006 and currently provides services to residents within 75 miles of its showrooms, which are in 13 states.

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

Window Nation’s commitment to sustainability shows in its energy-efficient window offerings. 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 Merrillville?

Prices aren’t listed 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. For more accurate information on pricing, you can request a quote from the company.

We aim to be unbiased and transparent by describing pros and cons for every installer. Additionally, any partnerships do not affect our rankings.

More Window Companies in Merrillville

Renewal by Andersen of Chicago

Lockport, IL
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Skylights
  • Service icon Window Replacement/Installation
  • Service icon Custom Window Designs
  • Service icon Double-Hung
  • Service icon Bay Windows
  • Service icon Glass Doors

Website: https://www.renewalbyandersen.com/window-company/080-chicago-il/about-us
Address: 14503 S Gougar Rd #800, Lockport, IL 60491
Phone: (866) 836-2764

Champion Replacement Windows of South Bend

South Bend, IN
4.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://www.championwindow.com/South-Bend/
Address: 3235 Rosetta Pl Dr Suite 4, South Bend, IN 46628
Phone: (574) 807-0179

Power Home Remodeling

Chicago, IL
4.4
★★★★★
  • Pros icon Good Customer Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation

Website: https://powerhrg.com/
Address: 2500 W Bradley Pl Unit G, Chicago, IL 60618
Phone: (847) 916-5363

Window Nation

Romeoville, IL
4.6
★★★★★
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Energy-Efficient Options
  • Service icon Double-Hung
  • Service icon Custom Window Designs
  • Service icon Vinyl Frames
  • Service icon Bay Windows

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

AT Construction, Inc.

Orland Park, IL
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.atconstructionil.com/
Address: 11726 Springbrook Ct, Orland Park, IL 60467
Phone: (708) 289-9655

Chicago Window Repair & Replacement Company

Chicago, IL
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Free assessment

Services Offered

  • Service icon Window Repair
  • Service icon Bay Windows
  • Service icon Glass Repair
  • Service icon Window Replacement/Installation
  • Service icon Wood Frames
  • Service icon Storm/Impact Windows
  • Service icon Glass Doors
  • Service icon Energy-Efficient Options
  • Service icon Metal Frames
  • Service icon Vinyl Frames

Website: https://window-repair-chicago.com/
Address: 2620 W Fletcher St Unit A-37, Chicago, IL 60618
Phone: (773) 322-1074

Pegasus windows Inc.

Westchester, IL
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Glass Doors

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

WINBUZZ Windows Replacement

Downers Grove, IL
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Doors
  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options

Website: http://windowdownersgrove.com/
Address: 44932 Fairview Ave, Downers Grove, IL 60515
Phone: (331) 998-9169

FRST Windows Replacement & Installation

Chicago, IL
5.0
★★★★★

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://windowschicago.us/
    Address: 1920 W Howard St, Chicago, IL 60645
    Phone: (224) 856-2101

    Royal Craft Home Remodelers Inc.

    Downers Grove, IL
    5.0
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Educational Website

    Services Offered

    • Service icon Window Replacement/Installation

    Website: https://royalcraftremodelers.com/
    Address: 1525 Ogden Ave, Downers Grove, IL 60515
    Phone: (630) 725-1000

    Real Exteriors

    Schiller Park, IL
    5.0
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Timely Service
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Vinyl Frames
    • Service icon Energy-Efficient Options

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

    Rite Way Glass & Mirror

    Woodridge, IL
    5.0
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Educational Website
    • Pros icon Timely Service
    • Pros icon Good Customer Service
    • Pros icon Free assessment

    Services Offered

    • Service icon Screen Repair
    • Service icon Window Replacement/Installation
    • Service icon Window Repair
    • Service icon Tempered Glass
    • Service icon Glass Showers
    • Service icon Mirrors
    • Service icon Energy-Efficient Options
    • Service icon Glass Doors

    Website: http://www.ritewayglass.com/#!contact/ccyf
    Address: 6750 IL-53, Woodridge, IL 60517
    Phone: (630) 960-4420

    Northwind Exteriors

    Park Ridge, IL
    5.0
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation

    Website: https://northwindexteriors.com/
    Address: 508 W Higgins Rd, Park Ridge, IL 60068
    Phone: (773) 998-4000

    Durabuilt Home Improvements, Inc.

    Elmhurst, IL
    5.0
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Double-Hung
    • Service icon Wood Frames
    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Bay Windows
    • Service icon Vinyl Frames

    Website: https://www.durabuilthi.com/
    Address: 747 N Church Ct Suite C2, Elmhurst, IL 60126
    Phone: (630) 941-1800

    New Edg Window Replacement

    Naperville, IL
    5.0
    ★★★★★

      Services Offered

      • Service icon Window Replacement/Installation
      • Service icon Window Repair

      Website: http://windowsreplacementnaperville.com/
      Address: 1717 N Naper Blvd #200, Naperville, IL 60563
      Phone: (773) 676-0659

      EV Windows & Doors, Inc.

      Des Plaines, IL
      5.0
      ★★★★★
      • Pros icon Good Customer Service
      • Pros icon Educational Website
      • Pros icon Price Transparency
      • Pros icon Free assessment

      Services Offered

      • Service icon Metal Frames
      • Service icon Window Replacement/Installation
      • Service icon Vinyl Frames
      • Service icon Wood Frames
      • Service icon Glass Doors
      • Service icon Fiberglass Frames
      • Service icon Double-Hung

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

      Two Panes Glazing, LLC

      Wheaton, IL
      5.0
      ★★★★★
      • 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 Doors
      • Service icon Window Repair
      • Service icon Window Replacement/Installation

      Website: https://www.twopanesglazing.com/
      Address: 5 Wheaton Center #220, Wheaton, IL 60187
      Phone: (630) 488-9280

      BUZ Windows Replacement & Installation

      Carol Stream, IL
      5.0
      ★★★★★
      • Pros icon Free assessment

      Services Offered

      • Service icon Window Replacement/Installation
      • Service icon Glass Doors
      • Service icon Double-Hung
      • Service icon Energy-Efficient Options
      • Service icon Bay Windows

      Website: http://windowscarolstream.com/
      Address: 513 Concord Ln, Carol Stream, IL 60188
      Phone: (630) 716-2120

      Royalty Windows

      Glenview, IL
      5.0
      ★★★★★
      • Pros icon Educational Website
      • Pros icon Good Customer Service
      • Pros icon Price Transparency
      • Pros icon Free assessment

      Services Offered

      • Service icon Vinyl Frames
      • Service icon Window Replacement/Installation
      • Service icon Bay Windows
      • Service icon Double-Hung
      • Service icon Custom Window Designs

      Website: https://www.royaltywindows.com/
      Address: 4318 Regency Dr, Glenview, IL 60025
      Phone: (847) 999-7920

      FST Window Replacement & Installation

      Glenview, IL
      5.0
      ★★★★★
      • Pros icon Educational Website
      • Pros icon Good Customer Service
      • Pros icon Free assessment
      • Pros icon Price Transparency

      Services Offered

      • Service icon Window Replacement/Installation

      Website: https://windowsglenview.com/
      Address: 1247 Milwaukee Ave #304, Glenview, IL 60025
      Phone: (224) 435-0916
      Merrillville Window Cost Calculator

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

      By switching to energy-efficient windows, you and your family can take advantage of several benefits, including:

      • Protect your investment: If you have a relatively old home, your windows are most likely in need of replacement. Updating your windows can improve the insulation in your home and also help increase the value of your house if you decide to sell.
      • Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out damaging UV rays, reducing fading of your furniture, carpet and other valuables.
      • Save money on electricity bills: Because energy-efficient windows decrease the amount of energy used to heat or cool your home, they can help you save about $391 annually on your energy bills in Merrillville.
      • Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your home, you can lower your carbon footprint by about 12%, according to Energy Star.

      Estimated Cost of Window Replacement in Merrillville

      When researching window installation, each company provides different services and costs. Let’s go over some average costs and services.

      How Much Do New Windows Cost?

      The national average cost to install one window is about $600 but can range from $200 to $1,200. But prices vary remarkably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also offer door installations and replacements, which will add extra costs to your project.

      It’s important to bear in mind that windows with higher efficiency may cost more upfront but can save you hundreds of dollars via returns on your energy bills. Investing in Energy Star certified windows can save Merrillville homeowners $391+ a year when replacing single-pane windows.

      We advise requesting free quotes from several window companies to find the one that works best for you.

      What Services do Window Installers Offer?

      The first question to ask yourself when planning to replace your windows is: Do you need a full-frame installation or a pocket installation?

      A full-frame installation is a total window replacement. This service involves removing the old window, the sill, and the exterior and interior trim. It can also involve other materials, including insulation and drip edges, which raise the total cost of the project. It’s also worth noting that you may have to touch up the paint around the window after a full-frame installation. A pocket installation entails replacing a window within the existing frame, which tends to be less expensive than a full-frame installation.

      Your window installation company will be able to help you choose what’s best for your needs. In Merrillville, the decision will mostly depend on the age of your windows and if there’s any damage. Wood can decay if not properly maintained over the years, so it’s a good idea to have a professional examine your frames and window sills.

      Advertisement

      Best Availability

      Renewal by Andersen

      ★★★★★
      4.5
      • Great Industry Reputation
      • Award-winning Company
      • Member of US Green Building Council
      • Manufactures products in-house
      Save $375 Off Each Window
      Get Estimate

      Power Home

      ★★★★★
      4.5
      • Uses eco-friendly materials
      • Well-trained, certified installers
      • Lifetime or lengthy warranty
      Next-Day Appointments Available
      Get Estimate

      Best for Residential Windows

      Window Nation

      ★★★★★
      4.0
      • Custom Designs
      • Wide variety of products and services
      • Manufactures products in-house

      How We Choose the Best Window Installers in Merrillville

      EcoWatch reviews differ from other reviews since we evaluate these companies through a sustainability lens. We have evaluated the best window installers in Merrillville mostly based on their energy efficient offerings, as it’s what’s best for the environment and for you as a homeowner. Energy-efficient windows have been shown to cut 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 Merrillville 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 brand you choose. We do give window installers higher marks if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

      Customer Reviews

      Another self-explanatory yet super important review factor is customer feedback. If the majority of customers don’t have nice things to say about their experience with a certain company, you won’t see it featured on EcoWatch.

      Cost

      Cheaper windows certainly don’t mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing providers’ prices, we gave 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 with 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 years of experience earn higher rankings by our standards. We like to see at least ten years of experience.

      Merrillville, IN Window Replacement FAQs

      How much does window installation cost?

      The average cost of installing a single window ranges between $450 and $650. There are many factors that affect the cost, such as styles and sizes of windows, your property’s location, the materials used in designing the windows, how energy-efficient the windows are, the number of windows and local labor costs.

      What are the most common types of replacement windows?

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

      When do I have to use a window installation company?

      Unless you’re handy and have all the necessary tools to replace your own windows, we recommend hiring the pros. The process of installing windows is quite involved and can take anywhere from four to six hours for a single window. Although it’s tempting to try to do it yourself to save money, hiring a professional is a faster, more efficient and safer alternative.

      Should I replace my windows all at once?

      If your windows are greater than 20 years old, you probably need to replace all of them. At that point, they are typically less efficient, draftier and/or more damaged than new windows. Replacing your windows all at the same time will involve less paperwork and less time.