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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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jack dolphy
Last fall, in October 2018, my wife and I stopped by the showroom of Lifetime Windows and Doors in Phoenix to see their line of Marvin products, which I understood to be as good as it gets in the industry. After expressing interest, we were surprised that they said they would consider doing an install in Ajo, AZ., two-plus hours away from their warehouse/showroom. In case you’re wondering yes it’s hard to get top installers to come out to small rural towns in Arizona. Less than a week later ... Read more
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Todd Woelfel
The entire process of our home remodel, was phenomenal. Professional, reliable, flexible are key qualities, and they offer all of that. Very accommodating when asked to do things above and beyond the average. The quality of workmanship is outstanding. They offer the complete package with windows and siding installation.
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Sue Mead
Lifetime Windows did a great job installing our windows. They were very professional and the work was excellent. We will definitely use them again.
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Trish Bross
My thanks and gratitude to the amazing personnel from Lifetime Windows and Siding who completed a window replacement project for us. Shon, the sales consultant, made our decision and ordering comfortable and easy. Mike, the measuring technician, was informative and checked all ordering details. The windows arrived in a timely fashion and Jeremy's crew, paid attention to details, and worked long and hard to meet my schedule for the installation. John, the project, manager showed up both days o... Read more
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Kristi Herritz
While our experience with James Hardie Siding Installation was reasonable, unfortunately our experience with the replacement of 9 windows was ridiculous. I simply cannot recommend them for window replacement. And while Lifetime attempted to remedy the situation, they clearly don’t have skilled trim carpenters to finish the job in an adequate manner. To start the job, two window installers showed up; one had an ankle monitoring bracelet. It makes you wonder if Lifetime does background checks ... Read more