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
Linda Yokota
Got replacement windows & patio door from Lifetime Windows last year. We've been so pleased with the product and everyone from Lifetime that we've worked with. Recently needed a few adjustments. Darian M and Mike (Technicians) came today. Not only did they telephone to let us know they were available earlier for our appointment, but they were professional, polite, personable, knowledgeable and quick. Our issues were minor, but they were addressed with precision. It made having to deal with a ser... Read more
Reviewer photo
Tim Halligan
Screen frame was damaged. Darian and Michael showed up on time, went straight to work, and made repairs on site. Thirty minutes the frame was repaired back in place. Both were friendly and professional. Far better than anticipated ordering a new screen waiting who knows how long.
Reviewer photo
Caleb Bugg
Called for a quote. Here is the transcript: "Hi! I'm Caleb, and I have a window that needs to be replaced!" Dude: "We have a 3 window minimum" Me: "Ok, it's one big window that I need asap, and more in the future, do you make concessions for a quote in that case" Dude: "No, it costs us money" Me: "Cost me money too, but ok, I'll go with someone else" Poor customer service from the initial phone call - obviously I didn't see their product or install, but it's a pain enough to get quotes f... Read more
Reviewer photo
Alec Orme
Thank you for being apart of such a great event! Dawg Bowl and Lifetime Window are a perfect pair!
Reviewer photo
MEHDI GHOREYSHI
Someone recommended Lifetime roof & Solar to me for the replacement of our roof. I contacted them and a few days later met Brian Z from Colorado Springs branch. He was very professional and provided us with excellent information and options. He made some suggestions as well that we found them very helpful. We decided to proceed with this company and everything went as expected and scheduled. Brian kept me posted of the installation and delivery dates. The guys came to work seemed highly experien... Read more