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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Eli Chabot
Virgel Fout was great and very knowledgeable, definitely helped us find the best fit for our home!
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Chris Vũ K
From the very first person we met from Lifetime Roof, everyone was friendly, considerate and professional. I was a little uneasy about having someone come look at our roof, but Alex W. was great. He showed up on time, was super friendly, and was very clear on the situation with our roof and what our options were. Never pushy AT ALL, but rather understanding and considerate, which is a really big deal for us. Once we decided to go through with the roof install, everything went quickly, smoothly ...Read more
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Jason Dubin
So i attempted to have an in-home quote but they will not come out until I have a contractor tell me the cost of my demo which wouldnt influence their pricing obviously. All I wanted was a quote on their service and materials for a 10+ foot accordion style patio door as well as 5-7 other large windows for my house. Their sales guy just flat out didnt want to come out to take a look and give a quote ven after scheduling a time and day for it. So now he just wants me to come into the showroom on...Read more
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Keith J
We wanted to find out how much Marvin Windows would cost for my residence.. I have renewal by Anderson windows currently .. I would like to get a better quality window that isn’t a vinyl window.. Your sales Rep. Richard Coats came to evaluate and he was able to tell me that my Renewal by Anderson windows are actually 60% vinyl.. He showcased how Marvin ultrex with lifetime was the best Claimant specific window for Arizona lifetime.. He was a pleasure to work with.. Thank you!
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juan m
Virgel Fout was very knowledgeable and informative.