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Lifetime Windows & Siding

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Lifetime Windows is a reputable window replacement and installation company with a strong presence in both Colorado (CO) and Arizona (AZ). With a commitment to providing top-quality products and exceptional customer service, Lifetime Windows has earned a stellar reputation in the industry. In Colorado, the company serves residents in Denver, Colorado Springs, and the surrounding areas, offering a wide range of energy-efficient windows tailored to the unique needs of the region's diverse climates. Whether it's combating the harsh winters or scorching summers, Lifetime Windows has the expertise to provide customers with windows that enhance the energy efficiency and aesthetic appeal of their homes. Their skilled team of professionals ensures a seamless installation process and stands behind their work with warranties that give homeowners peace of mind.


In Arizona, Lifetime Windows brings its expertise to cities like Phoenix, Tucson, and Scottsdale, catering to the specific challenges posed by the arid desert climate. They offer a variety of window options that help keep homes cool during the scorching summers while minimizing energy consumption. With a dedication to eco-friendliness and energy efficiency, the company provides residents in both Colorado and Arizona with a valuable solution for enhancing the comfort, beauty, and value of their homes. Whether you're looking to upgrade your windows in the Rocky Mountain state or the desert oasis, Lifetime Windows is a trusted choice for homeowners seeking premium window solutions in CO and AZ.

Our Work

16085 East Warren Place , Aurora, CO, US
  • Infinity: Bronze
Wyandot Street , Denver, CO, US
  • Anlin: White
15446 East Dorado Avenue , Centennial, CO, US
  • Anlin: White
2956 South Willow Street , Denver, CO, US
  • ProVia
13913 Fillmore Street , Thornton, CO, US
  • Infinity: White

Customer Testimonials

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Walter Bembry
Bath tub installers were great. They engineered through unforseen issues. Explained what they were doing every step of the way, and cleaned up when they were finished
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Behrooz Varasteh
I had some issues with my sales rep, but the company took care of most of my complaints. Over all, most of the employees were helpful. Just get everything in writing before you sign your contract. Great installation and happy with their work. I just wasn't too happy with the sales rep, but Lifetime really works hard to make sure you're satisfied with your project.
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Bradly Blan
Chris Fout came out to my house and explained the benefits of new windows. Super friendly, great customer service. Highly recommended!
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Gina Errington
I have used Lifetime Windows 4 times to replace my existing 36 windows. Because I have so many I had to buy over time. They are so professional from ordering to installation. There is a project manager Jake that comes at the beginning, in between and at the end to make sure everything is moving correctly. Ricardo and his crew were friendly and professional, they cleaned up after and put things back for me. From prices, financing and install Lifetime Windows is the company to use! I had a broken...Read more
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Beth Gallagher
Chris Fout did a great job today!