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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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2K
The only reason I’m not giving 5 stars is I had some difficulty between my expectations and understanding the product fully. I needed new siding so I decided on vinyl siding. Unbeknownst to me, there are many different parts and pieces to the system and I wish I would have had a diagram drawn for me explaining exactly what was going to stay vinyl and what was going to stay original For example, I was expecting the house to look exactly like it was, except everything would be vinyl instead of... Read more
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Ashley Clendenin
The entire team at Lifetime Roof & Solar is beyond words amazing. Their level of customer service and attention to detail was something my husband and I haven’t experienced with any other construction company. We hit the jackpot on Bentonite under our home and had the unfortunate task of raising our entire foundation. This lead to multiple cosmetic projects and therefore numerous companies all coming together to bring our house back to one piece. Not only were we able to tackle two projects at o... Read more
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Michelle Ziemian
Lifetime is great! They installed my Infinity Sliding glass door and have also taken over the warranty service on my Infinity windows that were installed by another company who dropped the ball. I also had them adjust the position of a garden window during our kitchen renovation and it's perfect. The installers were even patient enough to wait when we unexpectedly needed to call a plumber to move a pipe that was in the way. I was amazed at their kindness and skill. I Highly recommend Lonnie ... Read more
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Milo Warner
Luis was excellent in reajusting the door lock and installing the door security bolt highly satisfied
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cie wewer
Had a great experience with Lifetime, I gave four stars only because the process took a very long time due to problems with the manufacturer. I had 7 windows, a sliding glass door and the entire house resided to a newly purchased home. The siding was done quickly and installed very well. The crew that did the installation, Javier and his crew were amazing. Javier is top notch. I can't hang Christmas lights on my siding because there are no gaps, anywhere, only the gaps between boards that s... Read more