Take a look at our past work!

Lifetime Windows & Siding

Learn about us:



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

6200 West Mexico Avenue , Lakewood, CO, US
  • Infinity by Marvin: Bronze
2322 Terraridge Drive , Littleton, CO, US
  • Infinity: White
1692 Boreas Pass Road , Breckenridge, CO, US
  • Infinity by Marvin: White
2689 Beech Circle , Longmont, CO, US
  • Anlin: Tan
5731 West 92nd Avenue , Westminster, CO, US
  • Anlin: White

Customer Testimonials

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Jason Rogers
Richard was amazing. Highly recommended!
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Justine Renner
My husband and I absolutely love our new bath/showers. We had the pleasure of working with Dana and Todd. Both of them were very professional and helped provide guidance on options we chose for our bathrooms. They completed the work on time and we barely knew they were there. Thank you Dana and Todd for our amazing new bath/showers.
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Celeste Emmick
We are very pleased with our experience. It's very stressful dealing with insurance companies. But Alex made it easy. I would recommend this company. Everything was handled promptly. And it looks beautiful too,!
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Carl Clark
I had Lifetime replace the siding on my recently purchased house. This is second house I have had Lifetime do siding on and both projects went quickly and looked great once they were finished. Marty Lutz was my project manger on both projects and he was fantastic to work with both times. This 2nd house is an older house originally built in the 1950's. Marty and team made sure the project was done right as they stripped the house to the studs, added new insulation, plywood sheeting, Tyvek, and...Read more
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Emily Myers
Clark and Mike came to do some mitigation to my windows and they were professional and fantastic to work with and did a thorough and precise job. Nice guys!!