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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Gary Montoya
We ordered 3 sets of sliding glass doors and 7 large picture windows. Lifetime said it would take less than a week to complete this job however, it took nearly 6 months. About 7 months after the job was completed we noticed one of the picture windows had failed and moisture had found its way between the panes. We called Liftetime and it took 6 months to get someone to come out and look at the window. They determined the window was not sealed correctly from the manufacturer and said they would or... Read more
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Josh Bowland
Okay, I don’t post reviews unless it is worth taking time out of our busy family life and jobs to warrant it. We absolutely love the new Anlin sliding door. Bruce came out and educated us on the process of purchasing a sliding door for our house. Bruce was professional and easy to talk to. We shopped around of course before the purchase but Bruce’s knowledge of what we were looking for and what they provide made our decision easy against other competitors. The install was great. No mess. No fus... Read more
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Joseph Miroballi
Chris Fout we love his explanation of the windows and frames was great and we recommend him great knowledge of product and honest person
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Soaper Nick
Jason and Dallin were awesome! Did a great job installing and were courteous the entire time they were here. The job was done in 2 days and we replaced every single window and sliding glass door in our home! It’s a little more expensive than most companies but the warranty and quality of work totally beats them all out!
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Robert G
Couldn’t be more happy with Lifetime, they did an amazing job with our bath rehab. Joseph was very knowledgeable and informative about the product and process and we would highly recommend him and his company.