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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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
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lydia west
I had a great experience with Philip Hew Len. He was very knowledgeable he helped me understand what my choices were and help me get exactly what I needed for my home. I highly recommend lifetime and Philip Hew Len!
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Debora Funnell
Richard C came out and gave an amazing presentation. Provided me with affordable estimate and discounts. Was VERY professional and represented this company well. Which is why I decided to pull the trigger and go with this amazing company.
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Bryan Srisamart
Matt made getting ready to have all our windows and patio door replaced a breeze! We are very excited to have Lifetime Windows and Doors give our cozy home the face lift it deserves.
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Shannon Fitzpatrick
I was very pleased with my consultation with Lifetimes Matt McDougall, he was professional, on time and observed COVID protocols. He was very respectful ensuring to get my permission to access areas or to set his tape measure, notebook, etc on a surface. I felt he treated me and my home with respect. He thoroughly assessed both my house as well as what I was looking to accomplish. He provided a thorough education on all options so I could make an educated decision, both technically and financial... Read more