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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Cathy
My plan was to get multiple quotes, then choose a company to replace our horrible old 1970s windows and sliders. The first to come out was Lifetime. My expectations about cost were set. The salesman, Vlad, was absolutely wonderful. When it came time for the quote, I was blown away. It was half what I was expecting. My partner and I talked it over, and we signed on. Their timeline was spot on, and the windows were ready earlier than they quoted. Installation was scheduled, communication was flaw...Read more
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John McCorkle
Virgil is an excellent gentleman who throughly explained everything helping us decide on buying our windows thank you
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Terry Gottehrer
We have had the absolute best of experiences with everyone at Lifetime. We just got our entry door and storm door replaced this morning. Azile and his son Damian were friendly and efficient. Nothing but smiles while explaining the operation of each. After installation was complete, they did a thorough job cleaning up. James, the project manager, stopped in shortly after Azile and his son finished packing up their tools and left for their next job. After talking about music, James did his inspec...Read more
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David Rodriguez
Chris Fout was very patient and knowledgeable with our questions.
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Timothy Thies
Chris Fout was amazing! Showed up on time, walked us through everything about the new door construction, warranty information, pricing, all in a very timely manner. I would recommend him to anyone, he was very friendly and informative. Very professional.