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

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Nancy Keer-Armstrong
I just cannot say enough to express how helpful and thorough the Justin & JJ team were when working on our new deck doors! Frankly, ALL the installation staff was excellent!!!
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S Coss
Construction process was communicated prior to the start of work; on site questions from crew were coordinated and documented by foreman; change orders were documented in writing. Great project management and installation!
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Lee Willis
We absolutely love our new walk-in shower! We wanted a design and materials that would be timeless, never going out of style. All the choices presented to us made that easy. Then Dana and Arturo came to our home to perform the installation. Two talented gentlemen and they did outstanding work. Also, Frank came out to check on the project and adjusted the latch on our sliding glass door so that it now operates smoothly with no effort. This is the second project we’ve had Lifetime do for us....Read more
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Dennis Sidharta
My wife and I found Lifetime Windows and Siding to be very aggressive and unethical. We spoke to Dave (yes, the person who shows up on TV a lot apparently; he made sure that we were aware of this multiple times) about replacing our home's siding a couple of years ago. He gave us 40% discount, but the final quote was still about 30% more than a competitor that we finally went with. I asked him about the high cost on the phone and he got very defensive and angry, and started personally attacking t...Read more
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Kevin Thompson
We had Lifetime Windows and Doors replace 10 windows in our home this past January. Everything went very well from salesman to installers and site supervisor. Very pleased with entire process and would recommend their services to all!