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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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Dot Mechtenberg
The Marvin Lifetime Windows are beautiful !
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Troy Kozie
This company is superb from start to finish. Virgil in sales does a great job thoroughly explaining the windows, he is more of a consultant than a salesman & does not use high pressure tactics like some others.. *cough* Renewal by Anderson *cough*. Lead times are fast since they manufacturer in Minnesota. Their install team does a great job. Shaylin did a great job as project manager. Stucco and drywall team was great. Just an overall fantastic experience from start to finish, this is by far the... Read more
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Caroline Murphy
Mike H was terrific. Called to update on his arrival, showed up on time and repaired the damaged weatherstrip. He also solved the screen not fitting by putting it in correctly. Window works great. Appreciate Mike’s good work. Jim and Caroline Murphy
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Daniel
Lifetime did a fantastic job with my siding project. Professional, on time, and great quality product. I have already recommended them to a few of my family members!
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Siobhan Eubanks
We had a few issues with our new Lifetime windows and Mike came out and fixed everything in a super timely manner. He’s was friendly and explained what he was doing. Would definitely recommend! Thank you