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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Jonathan Story
Just had my Initial in-home visit with Rich C he showed up on time and was Pleasant kind and courteous.. As far as Lifetime I am thoroughly impressed with the material the window the overall demonstration the effectiveness of the glass that was shown the Marvin window is phenomenal and definitely should be for the price . I was also very impressed when the warranty was physically Shown to me on the spot I love that it’s a double lifetime none limited fully transferable warranty. That I will only... Read more
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Les Muhlbach
Referral from friends for Rich C was appreciated. Rich was friendly efficient and knowledgeable. We are happy to be going ahead with our new windows and patio doors.
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X_X Fazooli
I'm thoroughly impressed with Lifetime Windows And Doors I had a amazing experience with the sales representative he was the Thorough and professional dressed nice .. you could tell he cares about his job .. great job Rich C . I will be calling to get my windows done soon as I get my Savings in order! Such a great guy. I can't thank him enough for his kindness and quality representation of the company but rest assured, I will be showing my gratitude by giving Lifetime Windows And Doors my busin... Read more
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Stephen Miller
Click this link Got a quote a few weeks ago I was impressed with the presentation that the representative did he was on time and professional . Well Dressed and was a great representative for Lifetime. It really was breath of fresh air. When it comes to Replacing windows it really is anything but that .. Rich C was great and I would highly recommend him.
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R4y Valencia
Richard coats was a pleasure to have around .. Was very thorough detail oriented you could tell that he runs a tight ship and doesn't give the run around !