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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Jennifer Chen
Rich C. came out a for a quote and provided a great deal on windows. He was super knowledgeable and friendly. ** update ** The window crew that came by were great. It was a quick and painless install. They taped and tarped off the area so that dust wouldn't get in the house and cleaned all the windows so they were spotless. During the walk through, they opened each window to show that everything was working as expected, and showed me how move the insect screens as well. The temperature has...Read more
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Chelsea Bauer
Rich C. came out today and he was very thorough. We are looking forward to getting the windows exactly the way we want.
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Christina Callaghan
After recently having a company do a no show no call we were very happy when we were able to get an appointment so quickly. Our sales rep Richard Coats was prompt and very knowledgeable. He brought samples and really helped make our decision easy.
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Michelle Guffey
Rich C. was really easy to work with, listened to what I wanted, and adapted his info to match my needs. Very satisfied.
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Corey Feltner
We had siding installed from Lifetime. Our project coordinator was horrible about following up on delays and communicating when we could expect materials. Our installation was no where near on time even after we were assured by our sales person that material shortages were not an issue at the time of signing our contract. We asked for 100% financing months after our install was complete the company called asking for an additional 4k. Which was also an error on their part, and luckily we didn't h...Read more