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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Ty Wilcox
I was speaking with my neighbor about getting new windows for my home. He handed me Richard C’s card and said I had to have him out. Now I see why! Richard C has been very professional since our first call. Confirmed appointment, showed up on time and shot me straight. He did not talk bad about about the competition, but took the time to show what makes them different and therefore better. No pressure, just the facts. I for one appreciate that kind of sale. He explained from the beginning that h...Read more
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Noah Destree
We met with Haeley Henault. She was professional, went over designs, pricing, finance options and more in great detail. It was hard to think of follow up questions due to she explained everything so well. Would recommend.
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B B
Just had my in home appointment with Richard c in florence he was well dressed showed up on time and was very knowledgeable appreciate all the energy and effort . When I am ready to get my windows done I will be reaching out to him
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Art Glitter
I recently met with Richard C. He was extremely professional
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Nicole Bonney
I met with Rich. He was extremely professional, on time, answered all my questions. I will recommend him to all my friends. Great service!!!