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Lifetime Windows & Siding

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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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Mary Ortega
Our experience with Lifetime Windows & Doors in Phoenix, Arizona was fantastic ! The presentation was made to us by Paul James. We had gone through three presentations prior so we knew what each company could provide! We needed 15 Windows & one patio door. We agreed on a price and Mr. James went through our options of payment which was beneficial to know. A few days later George came over for a precise measurement of each window. George gave us options about sliders or picture windows, which wa... Read more
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Carol Thompson
Windows look great, installation crew was professional, yet friendly, paying attention to details. When they found a hole in one of the screens, they immediately reported it to the shop and the new one was installed the following day. Our salesman Paul helped me to get the right windows for a good value. Highly recommend!
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Susan Maile
Excellent service from start to finish. Today Eric and Robert fitted my new windows. Very professional and efficient. They also helped in refitting the alarm sensors and rehabbing blinds. Thank you.
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Stanley Kenton
Our experience with Lifetime Windows and Doors was very positive. We shopped around a few places and had quotes from all the major brands. Lifetime was the most professional of them all. They took care of all our installation concerns and went above and beyond with fixing an unexpected issue that came up during installation. The price did not increase! The price for everything was better than Anderson and the warranty was better than what they offered as well. The windows we chose are working v... Read more
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Barb zimmerman
We loved lifetime windows from start to finish. Great service. We received updates through out the ordering. We never had to call & ask what's happening. The installation was flawless & the installer was beyond great. We will use Lifetime to finish our window replacement project in the future.