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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Julieann Tibbetts
Darian Manzanares performed window and screen repair today at our rental and he did an excellent job. He was on time and was very personable and professional. He explained why the screens were difficult to remove. He cleaned out the dirt/debris in all the window frames and showed me his trick to remove the screens more easily without using the tabs. I am always pleased with the responsive and quality service from Lifetime Windows. I highly recommend this company. Julieann Tibbetts
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Rick Muterspaugh
I replaced 35 windows in our house. There was a noticeable reduction in the outside noise. The most amazing thing was the insulation from the outside heat. The quality of the window really does make a difference and Lifetime Windows and Doors use only the best materials. I am very impressed. The installation process took four days and I cannot give the install team enough credit. They were professional and respectful. They were there when they said they were going to be and they always cl...Read more
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Kim Sherry
I would strongly recommend Lifetime Roof & Solar. They were exceptional. When we requested a quote, they were very quick and efficient. They answered any questions we had. When we were not able to get the gutters right away, they were very patient. They were wonderful with a couple of last minute re-schedules on our part. Their price was much better than other quotes. They installed the gutters in a matter of hours and did a fantastic job. They cleaned up everything. We could not be happ...Read more
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Zach Jones
Darian manzanares it was very professional
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nancy holloway
Brandon and his crew, Callum, Gary and Josh, did a wonderful job staining new windows. They were prompt @ 8, clean and paid attention to detail. And they reinstalled my 4 panel stained glass windows 12' up. Thank you!