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Energy Efficient Windows

Reduce your energy bill on average by 25-30%.

Green Windows Are a Great Choice

On average, our Energy Star windows save Chicago homeowners more than $700 / year on energy bills by keeping homes warm during the winter and cool during the summer. If you're thinking about living in your home for three or more years, or if you want to help keep the environment beautiful, energy-efficient windows are a fantastic choice.

WindowWorks is the Chicagoland company that goes above and beyond to ensure that our customers are completely satisfied with their windows for decades after installation. We custom-build each window order to our customers' specifications, and guarantee all of our windows with a lifetime warranty. Our dedication to providing the highest quality service possible has earned us an A+ rating with the Better Business Bureau (BBB). We are here to ensure that your energy efficient windows look beautiful and insulate your home effectively for many years.

What You Want From Your Window Company

  • Great energy efficiency
    Our windows reduce the average Chicago homeowner's energy bills by 25-30%, saving around $3600 over 5 years. Our windows use triple-coated low-emittance thermal glass to increase energy savings. If you need energy-efficient windows, please give us a call at (708) 443-4289.
  • Guaranteed quality for life
    Our windows are built to last 75 years, which helps keep your wallet full and landfills empty. If you ever need a window replaced, we will do so for free.
  • Professional service
    We've won several awards for customer service and design, including the Super Service Award from Angie's List. According to a survey of Angie's List users, WindowWorks is one of the top 5% of home improvement companies nationwide.
  • Convenience
    As a full-service company, we do everything but pick out the windows. We'll take care of installation, removals, debris-cleaning, and everything else. In addition, our professionals work quickly – we can install up to 15 windows in a single day.
  • Great value & tax credits
    In addition to saving you 25-30% on your energy bills, our windows qualify for Energy Star tax credits. The current tax refund expires at the end of this year, so please call us right away at (708) 443-4289 to order your windows-and-installation.

Get Your Free Quote Today

To get a free price quote or learn more about our award-winning windows, please call us at (708) 443-4289. We save families more than $700/year on heating and air conditioning!

Energy Efficient Windows Gallery

Thousands of Satisfied Customers

We've completed thousands of projects throughout the Chicagoland area. Check out some work we've done in your area!

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4.9 Stars
Out of 139 Reviews
Manufacturer's Warranty
Financing on Products & Service
American Family Owned & Operated
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Full Service Installation Process

From choosing your products to installing them into your home, our process is efficient and affordable.

Tell Us Your Needs

Tell Us Your Needs

Call or request a quote online to determine how we can help with your home improvement project.
Design Consultation

Design Consultation

Choose from our catalog of stylish products to install and give your home a seamless, updated look it deserves.
Design Plan

Design Plan

Our team of design experts will make sure that your custom-made, custom-installed products receive a perfect fit on your home.


Your installation will be done seamlessly and efficiently by licensed installers, in as little as a day!
Satisfied Customer

Satisfied Customer

Our goal is perfection with every home improvement we do and won't stop until you are satisfied with your new windows, doors and siding