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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

7755 Swaps Trail , Evergreen, CO, US
  • James Hardie Siding: Timber Bark
  • James Hardie Siding: Khaki Brown
21165 Red Cloud Ridge , Elbert, CO, US
  • James Hardie Statement Collection Siding: Iron Gray
  • James Hardie Statement Collection Siding: Country Lane Red
  • ProVia: Ebony
  • Infinity by Marvin: Ebony
5447 Rockhampton Circle , Littleton, CO, US
  • James Hardie Statement Collection Siding: Cobblestone
  • James Hardie Statement Collection Siding: Country Lane Red
2948 West 110th Place , Westminster, CO, US
  • Anlin: White
35 Scott Drive South , Broomfield, CO, US
  • Anlin: White

Customer Testimonials

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Ron Bruner
In very early August of 2023, we contracted with Lifetime Home Remodeling for a project. Lifetime was selected as my wife wanted new flooring as part of the project. After selecting all materials for our project, the agent informed us that they were about 7 to 10 days out and we would be next. We gave a sizeable down payment. Five days later, we were phoned and told that because of the lack of getting flooring materials our contract would be pushed back until late September/early October. When I... Read more
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Dennis Kelley
Installers Adam & Fabian did a great job. Marvin windows are very nice. A little pricy however the Costco Rebate & double lifetime warranty helped. I wish they had ADA products. Our new full size arcadia door is a tad bulky. The threshold is steep compared to other companies. Not convenient for a person with a walker. If I had to do it over again I would have purchased an ADA Arcadia door elsewhere... personal preference. Their office support do a great job.
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Dave Nieves
We ordered 8 windows and love them. April was amazing through the initial process, and the installation team was amazing. To top it off, they were super helpful after sale to get the SRP rebate. The strength and thin frames are an amazing curb appeal upgrade. We ordered more windows.
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Dena Eaton
I am do happy withe the replacement window and new entry door. Great sales person, great install. And the door comes on the HOA required Burgundy for the outside and I chose white for inside.
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Judy Taylor
I had a French patio door installed by Lifetime in May 2025.. I previously bought windows from Lifetime and the windows are very good quality and the installation process went well. The exterior trim was replaced when the French door was installed. I was told they do not stain the exterior. As a 70-year old woman I was upset because I paid top dollar and expected the job complete from top to bottom. I sure didn’t want to stain/caulk. After getting very upset, Lifetime stained but i... Read more