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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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VANESSA CASILLAS
I met with the coolest salesman the other day from Lifetime Windows & Doors. His name was Richard Coats. His excitment over the quality of window he sells was so genuine it got me excited about the windows. I can tell he believes in his windows. After learning about the Marvin windows from Rich, I saw first hand how much better quality of window Marvin has than there competitors. I had my house bid out by 3 different dealers, one salesman was actually rude, condescending and didn't want to... Read more
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Kelly Kerbs
Jason and his crew were amazing! Professional, great team and what a huge difference quality windows make! I would absolutely recommend them and purchase from them again.
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Isaac Schilling
Amazing product and great company.
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Brad Halloran
Dave Thomas was very helpful in designing the James Hardy layout for a mountain modern look! We loved the crew that installed the siding and we had no issues- product was available and the crew was responsive to our questions about the process! Marty, the job site manager was very responsive! Overall very, very happy with our results: new siding, new gutters, and we topped it off with new lighting and garage door!
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Susan Izuo
The Lifetime team was incredible from start to end. We are super pleased with the James Hardie siding, and the work that Kevin and his team did for us. Throughout the siding installation, we were well informed, they addressed our questions/concerns, and asked questions to be certain. The work area was kept tidy and clean each day. The team worked tirelessly and diligently throughout the project, and installation completed on time. Notably, Sean addressed a sloping issue that we had with our ... Read more