Take a look at our past work!

Lifetime Windows & Siding

Learn about us:



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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Marc Eberhardt
Lifetime replaced all of our (20+) windows and sliding door last week with with Marvin Infinity windows and door. Original windows and slider were only 7 years old low quality builder grade installed by a local semi - custom " Small Batch Home" builder that would not address any of problems with the leaky warping vinyl windows they installed. We ordered the windows 5/22/23 with Chad from Lifetime..Mike handled the measurements perfectly and approx 5 weeks later Alberto and his crew completely i...Read more
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Stephen Bakle
Chris did great, no pressure, gave us privacy to talk, dog approved.
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Debbie Bakle
Chris was pleasant, sweet, optimistic and a "can do guy"! He is fun to work with!! Thank you!!
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Sabrina Dean
Had a great presentation from Mickey, he is a true professional and was kind and courteous. Loved heat lamp demo. That made our decision easy to purchase. Thanks Mickey and Lifetime.
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Abel Jaquez
Mickey just came by and love the new windows we will be getting. Showed us how energy efficient they are. Excited to get them . He gave us a cruise certificate for our honeymoon as well.