Take a look at our past work!

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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John Andrews
Full disclosure, I only received quotes from Lifetime, and did not go with them. (I wish there was an option to review just the sales process.) A rep for Lifetime was at Costco several months ago and after a chat, I set up a sales/measurement appointment with their company. I asked the rep in Costco where their price range falls and was given a tepid, "Oh, it's affordable," response. With 37 windows, I had hoped to get something in the range of $30k up to maybe $50k (if the quality/company were... Read more
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Diana Andrews
Lifetime windows have a great warranty. Mike H. came to troubleshoot an issue with a window this morning and was able to identify and solve it in less than a minute.
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Charles Davenport
What a wonderful company! Lacie was an awesome sales rep and was extremely knowledgeable polite and gave an excellent presentation! I would highly recommend this company for their honesty integrity and products, and a true lifetime warranty that is transferable. Look no further for your bath and shower remodel needs. They simply blow all of the other companies out of the water..
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Jen D
Lacie E came out to our home to give us an estimate for a new bath and shower. Lacie did an amazing job and was very thorough showing all available options for the new shower and bath. She included showing us the quality of the walls and bases which looked to be a much better quality than other walls bases and tubs that we have seen. This is a great value for anyone looking to replace their existing bath/shower. She was amazing. This company's work is also amazing. Thank you for taking the time ... Read more
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Anika Olson
The process was explained clearly. They delivered as promised and the install was great!