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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James Steinmetz
Just met with Richard and he was well informed and tended to my needs and didn't try to just get me to buy the highest end window. I appreciate that
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Maria Brown
Hi! I totally appreciate that salespeople need to be assertive to get business, and part of that is canvassing neighborhoods and getting sales leads. I’m sure it’s a thankless job, and I always try to be respectful to folks. That said, there was a group canvassing in Evergreen this weekend. It was clear I was in the process of leaving and a salesman approached me. I politely told him I wasn’t interested, which normally is social que to leave. He did not take the hint and walked past me as I was...Read more
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steve hull
Just had Rich out to quote me on window prices for my home. He was honest and informative. Highly recommend Rich and Lifetime Windows
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Lou Balestriere
Mickey Aghabekian was a very professional and honest consultant. He was on time, thorough and patient in answering all of my questions. He was very knowledgeable of his products and didn't pressure me. Highly recommend.
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Jeff jessup
Looking forward to my new windows. Mickey was great and I appreciate his service and care. Very helpful wirh suggestions. I would recommend his company to anyone.