Take a look at our past work!

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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Dubya Hall
Lifetime inspired confidence on the sales side and delivered. I consulted with a few siding companies, and what I was hearing from the others (and the reference properties they provided) didn’t meet my expectations. The scope was a full tear down to the studs, insulation upgrade, OSB board, vapor barrier, 1/2” foam board insulation then James Hardie color plus siding and painting anything not replaced to match. Their attention to detail throughout the project and finished product exceeded my ...Read more
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Janet Bacon
Brandon, Kylle, Callum, Gary,and Kate did the finishing /trim paining work on the large windows and 2 sliding doors I had replaced. In addition, they needed to fit and build a box trim for one of the sets of windows, which they were able to complete very quickly. This team did an extremely professional job, and my place looks better than I did when I bought it! I am very happy with their work and professionalism.
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Gregg Yeomans
Great job. Nice people.
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Beverly Rogge
Excellent. Professional and clears up after job very personable
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Riva Figueroa
My project was done in one day and the entire team: Mike Nyberg, Nick Devree, AJ Schade, Larry, and Yarbrough were professional and efficient. They even worked through rain and were able to keep the house dry.