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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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Pamela Evans
I had Infinity Windows by Marvin installed 4 years ago by Lifetime Windows & Siding and I still love them. I recently realized that I never wrote a review back then but it is never too late to give praise. The entire project was handled professionally, friendly and efficiently. I would like to give a shout out to the Lifetime Windows & Siding employees that used their talents throughout this entire process to make this such a positive experience: Mike, Chad, Rebecca, Krista, Timothy, JB, Scott,...Read more
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Patricia OHara
The shower is beautiful. This was put in for my son. The Lifetime installation crew were the best. They were polite, efficient, knowledgeable, paid close attention to details and really cared about the work they were doing. I am very pleased with all the services I have received form Lifetime Bath and Shower. Thank you for making this experience a great memory.
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Penny Yekel
Excellent job, fast and competent
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Julie Westenberger
The installer was very polite and courteous, thorough and attentive to details.
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Sam Kaplan
I had an incredible team, Tod and Max, who did an amazing job on our bath remodel. Timing was perfect and the finished product was outstanding. Patterns that matched perfectly, caulking that matched the colors where they were applied. Very neat throughout, cleaned up everything at the end, and were courteous in allowing me to observe and learn through the entire process. I believe I got the A Team and couldn’t be more pleased with the final result. All at a very competitive price. Thank team....Read more