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

848 South Shore Drive , Glen Burnie, MD, US
  • Anlin
  • Anlin: Almond
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

Customer Testimonials

Reviewer photo
E M
Had new James Hardie Board siding, facia, soffits (and gutters) installed by Lifetime. Was very impressed will all stages of the project. Dave did a good job with recommendations and the quote at the beginning. Marty was our project manager and he was great. Communicated well, knew the product and ins/outs of construction and was very responsive to my questions. The crew that did the Hardie Board work was outstanding - very conscientious and seemed to take pride in their work. Gutter crew ... Read more
Reviewer photo
E M
Had new James Hardie Board siding, facia, soffits (and gutters) installed by Lifetime. Was very impressed will all stages of the project. Dave did a good job with recommendations and the quote at the beginning. Marty was our project manager and he was great. Communicated well, knew the product and ins/outs of construction and was very responsive to my questions. The crew that did the Hardie Board work was outstanding - very conscientious and seemed to take pride in their work. Gutter crew ... Read more
Reviewer photo
Lynnette Guidi
Brandon Thisbis did a beautiful job on the staining and finish work. He was very particular and conscious. He checked in with us when waiting for materials so we felt taken care of. The staining matched exactly. Cleanup was done and no mess was left. Our new windows sparkle. Looks so nice.
Reviewer photo
Lynnette Guidi
Brandon Thisbis did a beautiful job on the staining and finish work. He was very particular and conscious. He checked in with us when waiting for materials so we felt taken care of. The staining matched exactly. Cleanup was done and no mess was left. Our new windows sparkle. Looks so nice.
Reviewer photo
Lynnette Guidi
Brandon Thisbis did a beautiful job on the staining and finish work. He was very particular and conscious. He checked in with us when waiting for materials so we felt taken care of. The staining matched exactly. Cleanup was done and no mess was left. Our new windows sparkle. Looks so nice.