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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Sachiko Reece
We had a few windows and our siding replaced by Lifetime. When they replaced the windows, they tore a chunk out of the corner wall between the 2 windows. We had to have them come back and fix that, which they used caulking to try and fix a huge hole in the drywall. So we had a huge blob of shiny caulking formed to make a corner onto a wall. Called them back in, letting them know that was not an adequate fix so they finally sent in someone to repair the drywall properly. The siding looked go...Read more
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chris johnson
JB, Les and their crew are amazing,,clean,quick and efficient. The windows and doors that they installed are awesome. My 9yr daughter loves that she can open, close and lock them by herself. 🤗😎😋😊
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MJS
Had my roof done by this company..was not a good experience
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Anita Paoli
Brandon, Callum and Gary, Thank you! Thank you! This crew was excellent and surpassed every expectation! They were professional, very considerate of my home and my time. Everyday they arrived promptly, worked quietly, ethically and efficiently. Every night they left a very tidy and clean environment. The work accomplished was beyond compare and beautifully completed. Every promise kept. This crew arrived daily with great attitudes and a willingness to communicate thoroughly and went an ex...Read more
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Katie Devlin
I wanted to share the wonderful experience we had using Lifetime Windows and siding for re-siding our home with their JamesHardie Fiber Cement Siding product. We first saw this product while running around the stock show with our family. They were quick to setup a home visit. Dave Thomas came out to our home and discussed all of our options and the entire process with us, as this was not a cheap project we chose to finance it using their finance partner, GreenSky, and so far we have been happy w...Read more