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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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Brenda C
Lifetime replaced the windows in my home and my daughter's home in Centennial, CO. "Woody" was amazing; he came over during both installations and afterwards. Rebecca and Krista were on top of all my questions/concerns (I asked a lot of questions). I also appreciated their help to get the HOA's approval. The two installers (brothers) were top notch as well. They were careful and their cleanup was thorough; even helped re-hang the window coverings . I was updated throughout the two-day p...Read more
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Lorell Judkins
Very friendly guys. Did a GREAT JOB CLEANING UP AFTER THEMSELVES.. The windows look great..
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Harry Moore
I am so very happy with my windows. They look great. Jose was awesome installing them.
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Kathryn Collins
We really like our windows and sliding doors. They filter the sun, and insulate against cold. The installation crew respected our home and cleaned up perfectly. The project manager was on-site several times and explained everything to me and answered all questions. Lifetime has since been extremely responsive and solved a very minor issue the day we reported it. I highly recommend Lifetime for your windows.
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Tim Emerson
Kevin & Jason were great! Attention to detail their level of communication, efficiency, quality of work was spot on..by all means if your thinking of getting siding done on your house, these guys come highly recommended..great job!