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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Jeff Stone
I’ve been very happy with my windows. Recently had an issue with a few small items. Justin came today to fix. He was very responsive and on time. I liked that he showed me how it was fixed so if the issue arises again I know how to trouble shoot. He really exceeded my expectations!!
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Tina Yang-Hellewell
Thank you, Frank, project manager, for responding to our service request on our shower barn door so promptly. We appreciate Todd and Max for showing up on time the following day and resolved the issue to our satisfaction and with professionalism. It’s refreshing to find people like Todd and Max who approach their work with enthusiasm and pride. It gives us confidence that should any issues arise in the future we would be taken care of. We absolutely love our new shower.
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Kenneth And Sandra Reilly
No problems from start to finish. Installers arrived on time installed the windows cleaned up. We can already see a difference less dust and heat coming through. Great Job
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Scott Irvine
This rating is based on a service call we had today with Justin. Justin quickly and efficiently replaced one of our windows that had been broken. He also repaired two of our window screens. He even identified an issue with one of the screens that didn’t fit well and has ordered a replacement. Justin was professional, efficient and friendly. He made it a great experience for us.
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Sue Barocco - 5232 Suburban Drive , Colorado Springs, CO, US
First, let me say that my new jetted tub is absolutely gorgeous. I have no complaints about the product, and the installation, by Matty Smith, was impeccable. Matty was friendly, professional, neat, and thorough. The person who really stood out heads and shoulders in the company was Chris Gordon, the Project Manager. He ALWAYS returned my calls, ALWAYS explained things and answered my questions, and was ALWAYS honest. He saved the project because if it wasn’t for him, I probably would’ve given ...Read more