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

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

Reviewer photo
Teresa Barker
Our entire experience with Lifetime Windows and Doors was top notch! Excellent communication and follow up with our sales rep, Jim Daly. Likewise, our appointment schedulers Mary and Shalynn kept us up to date on every step. The installation crew, Frankie, Eric, Robert and Abel, was prompt, professional, friendly and installed the windows beautifully. Our job required some stucco and drywall work and Hector and Antonio did excellent work on that as well. We installed 11 Marvin Infinity windows ...Read more
Reviewer photo
Dan Johnson
Your crew, Brandon, Kate, Kylle and Gary were outstanding in every respect, they were prompt, hard working, friendly and professional. They worked hard with attention to every detail. They deserve to be recognized by the company for their attention to detain and in the manner in which they represented Lifetime Windows and Doors! Dan and Carol Johnson.
Reviewer photo
Donna Cooper
Fantastic work !! Really pleased with crew that installed the windows and patio door.... my only regret was lack of understanding regarding lock on patio door..... Outside of that couldn’t be happier😁👍🏻
Reviewer photo
Linda Schultz
My experience with Lifetime Windows was-the best!! The experience of the installers was impeccable. They came, they conquered and were gone...taking all the messes with them. They were kind, courteous and ambitious! The windows are perfect, and keep my home 100% warmer! I love my new windows and I would highly recommend, Lifetime Windows!!! Thank you, Lifetime Windows!!
Reviewer photo
Steve Meidlinger
Quality Work done on a timely basis