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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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Mark Allen
We highly recommend Lifetime Windows and Siding. They are a great company to work with. We had a large project involving a 37 year old single family home we recently purchased as a rental property. The house was desperately in need of outside repair and a face lift including full replacement of the original siding, windows, trim, gutters, and paint. Based on great customer reviews and a quick response to our request for a quote, we choose Lifetime for the project. They offered very competitive p... Read more
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Curt Osborne
We just had our house entirely re-sided and trimmed out with James Hardie HardiePlank lap siding, HardieShingle for a gable end and HardieTrim trim boards top to bottom. The house looks great. These products are tough as nails. Lifetime Windows and Siding were great to work with and their crews were hard-working experts. Jason, Kevin and Jackie were all awesome to work with on a daily basis. Jason, in particular, provided excellent communication and follow-through every step of the way. I couldn... Read more
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R P
Our experience with Lifetime was nothing short of a nightmare. The whole process for a single-story board and batten siding job and gutters took nearly 5 months. The first crew did a horrendous job, including but not limited to: putting up the wrong siding, uneven battens, vent holes not cut out, and pitching the gutters toward the house. The project manager never showed up to the site. In addition, their crew ruined our brand new roof, left our property an unsafe mess and broke items. First... Read more
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Fred Elms
Our installation crew of JB, JD, Sam, Drake, and Jeremy all did an outstanding job. Every issue was addressed in a prompt and courteous manner. JB, project manger, treated our home like he was putting windows in his own home. JD lead his team with respect and expected nothing less than a first rate job from each of them. Sam, Jeremy, and Drake are meticulous and truly excellent craftsman along with JD. Sweet windows and awesome job. Thanks you guys. And thank you Dave Thomas for selling us on ... Read more
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Joe Kaliher
Lifetime redid our siding and basement windows. Jason and Carl did an outstanding job on our house! They put in long hours every day to get our house done before winter started. They were personable and very friendly. Lifetime helped walk us through the entire process and make recommendations to help our home turn into our dream home. We had multiple companies bid for the project , and Lifetime was the best option by far. We love the new look of our home. I highly recommend Lifetime for any sid... Read more