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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R Kowalczyk
A fantastic experience from beginning to end! Mike and Casey’s installation was so quick and thorough!!
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Shelley Kreiter
Mike H. was great! Let me know he was running late. He made sure my patio door screen was working properly, even though he was in the middle of a rain/hail storm! Very friendly and personable!
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Dash T
Thank you Jason, Allen, Walter, and Shon, you all seriously made my home and Siding look beautiful and back into shape. Replacing my 51 year old cedar siding with proper James Hardie. I am really happy with the results, and can't thank you all enough. I am so impressed you all were able to redo my home in such a timely fashion. The crew repairing my home showed up early and left late, you can't ask for better integrity than that! Hard to find good construction companies nowadays who don't move g... Read more
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Christopher Watson
We purchased two sliding doors through Costco and have been very happy with the doors. When one door was delivered, the glass shattered at installation so another door had to be ordered. Luckily, the door was still usable so no real inconvenience. Brent Barrett delivered the new door and not only did a great job installing the door but was extremely helpful in explaining all information to my wife who had a lot of questions. Very high quality products and while I don’t really want to buy mor... Read more
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Kitty Rewers
We are very happy with the new Marvin windows from Lifetime. The installers were friendly and professional. The windows were professionally measured prior and inspected after installation.