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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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Bill Seamans
I had a very good experience from initial quote to installation. We had a small issue that was quickly resolved with the help of Pedro, the regional manager. He provided the perfect liaison between me the contractors and home office. Communication was quick and efficient. Now waiting for winter to experience the insulation the new windows provide!
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Judy Day
Pedro Rivera was/is our Project Manger. He is excellent. He is very receptive to questions and concerns regarding installation issues. He goes above and beyond regarding follow up. He drives many miles every day but makes time to stop when needed and if he can't he contacts you as to the reason why and when he will be able to come. We are so glad he's got our back!!
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Melinda A
Just got my new windows installed last week. The entire process with Lifetime was smooth, quick, efficient, and easy from meeting with Dan (Sales), working with people internally for scheduling, payment, HOA items, misc. questions, etc. (Ashley, Sam, Blake, Connie, Rebecca, Stephanie), getting the final measure (Jamie), the amazing install (Frank and Alan), to Justin who was the Project Manager. Total care and respect of my home was taken in every aspect - from shoe removal or shoe guards used ... Read more
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Nick Hoskins
Probably the worst sales and customer service i have ever experienced. I was told by Julia that they "do not want to waste there time" doing a 4 window job for me that they quoted out in 2022. This girl was rude and unwilling to assist or find a solution. Her manger had to get involved because of the incompetence and offered to schedule a time to come back out. we are going with a different provider if you are looking for a good customer experience definitely go somewhere else because with Julia... Read more
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Amy Wright
Great job and great clean up