Reviews for Next Level Windows Inc.

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  • March 2026

    We recently had Next Level install multiple windows & 3 doors some of which required custom mfg. In addition we also had siding, gutters & soffits done - all by Next Level.
    From our initial appointment with Markos onward through all the work, we were continually impressed with their communication, dependability & level of mgmt attention. All crew members were friendly, super hardworking with daily attention to detail & clean up.
    Janette, the primary status coordinator was on top of updating us with scheduling, deliveries & changes.
    Are experience working with Next Level was “next level”. Highly recommended

  • February 2026

    I had a great experience with Next level window replacement company. Their pricing was very affordable compared to others I looked at, and the quality of their work was excellent. The crew was professional, respectful of my property, and made sure everything was clean when they finished. The whole process was smooth and stress-free. I highly recommend them to anyone needing window replacement!

  • September 2024

    I believe it was already two years ago and they installed 3 basement windows, 2 entry doors and 2 screen doors and we were blown away by the attention to detail and quality installation. We plan to have them quote a couple more windows and one day I dream of them replacing all our windows on the house. We are really thankful for Marcos and his hardworking crew that got this job done fast!!! You will be impressed by this crew because we were. Thank you Next Level Windows your name says it all. Fred and Jorie S.

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    Next Level Windows Inc.

    3575 Grand Ave 2nd floor Suite F, Gurnee

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