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Business Details
21 Years
experience
Custom Windows & Doors in Chicago, IL
Newtec Window & Door has been a trusted Chicago-based manufacturer of premium windows and doors since 2005. Our 110,000-square-foot facility enables rapid production and delivery while maintaining meticulous craftsmanship. We specialize in residential and commercial vinyl and aluminum windows, sliding and swing doors, and architectural-grade storefront systems. Our team combines over 30 years of industry expertise with state-of-the-art materials to deliver energy-efficient, durable solutions tailored to each project.

As a BBB-accredited business and member of the National Fenestration Rating Council and AAMA, we uphold rigorous quality standards. Every product reflects our commitment to American manufacturing, personalized service, and innovation that reduces energy costs while enhancing property value.
Services
Residential Vinyl Windows Commercial Aluminum Windows Vinyl Sliding Doors Custom Window Manufacturing Energy-Efficient Glass Storefront Systems Replacement Windows Architectural Windows Glass Block Windows Patio Doors
Details
  • Year established: 2005
Highlights and features
  • We've specialized in Midwest window manufacturing since 2005
  • Our management team has 30+ years of industry expertise
  • Energy-efficient designs reduce utility bills through advanced insulation
  • Made-to-order products with custom sizing and configurations
  • All products assembled with care at our Chicago facility
Associations and certifications
  • National Fenestration Rating Council
  • Better Business Bureau
  • American Architectural Manufacturers Association
Services
Residential Vinyl Windows
Our residential vinyl windows offer durability and energy efficiency through fusion-welded frames and customizable configurations. Available in double-hung, sliding, casement, and picture window styles, these products feature low-E glass options and argon/krypton gas insulation. Designed for Midwest climates, they reduce energy costs while maintaining aesthetic appeal through multiple color and grid pattern choices.
Commercial Aluminum Windows
Commercial aluminum window systems provide robust performance for storefronts and high-traffic buildings. Our products meet CW-35 and H-C50 AAMA ratings with thermal break technology to prevent heat transfer. Available in double-hung, sliding, and fixed configurations, these windows combine sleek profiles with weather resistance for long-term commercial applications.
Vinyl Sliding Doors
Series 2100 vinyl sliding doors offer seamless indoor-outdoor transitions with customizable dimensions and color options. Featuring multi-point locking systems and optional between-glass blinds, these doors achieve U-values as low as 0.29 for energy efficiency. The 4-11/16'' frame depth ensures structural integrity while accommodating large openings.
Custom Window Manufacturing
We produce made-to-order windows in unique shapes including arches, circles, and trapezoids. Our Chicago facility handles special requests for non-standard sizes, glass packages (frosted, tempered, low-E), and grid patterns. This service supports architectural creativity while maintaining NFRC-certified performance standards for air leakage and insulation.
Energy-Efficient Glass
Double-pane insulated glass units filled with argon or krypton gas maximize thermal efficiency. Our low-E coatings reflect UV rays while allowing natural light transmission, achieving U-values down to 0.27. This technology reduces HVAC loads and prevents furniture fading, with options for tempered safety glass and custom tinting.
Questions
What areas do you serve?
We primarily serve the Midwest region with Chicago-land as our core market, supporting both residential and commercial projects across Illinois and neighboring states.
Do you offer energy-efficient window options?
Yes, all our vinyl windows feature energy-efficient designs with double-pane glass, low-E coatings, and argon/krypton gas fills to reduce utility bills.
Can I get custom-sized windows?
We specialize in made-to-order windows with custom dimensions, shapes, and configurations to meet specific project requirements.
Are your products manufactured locally?
All windows and doors are proudly manufactured at our Chicago facility using American materials and labor.
What accreditations do you hold?
We maintain memberships with the National Fenestration Rating Council, Better Business Bureau, and American Architectural Manufacturers Association.
Reviews (7)
Vincent Mazzaferro
Jan 21, 2022 Report
BUYER BEWARE.
Ordered 16 windows for my property. Some of the windows were crooked. No I'm not talking about the window opening, I'm talking about the window shashes. They were 1/8 of an inch longer on one side than the other. YES THE SHASES WERE NOT SQUARE. See photos attached. They refused to talk to me even though I paid for the windows. When the installer called, the owner tried to convince him to discredit me. When he told them we already measured the windows, the owner told the installer to never let the customer measure the windows.
Wow.
Paul R.
Dec 07, 2020 Report
The windows were made exactly to the requested measurements and looked amazing! Had a great experience and will definitely be going back and recommending to family/friends.
Laurel Martinez
Jun 10, 2020 Report
I use to buy my windows here, but today I decided to but somewhere else, they being rude to you when you call them ,if you need to know a price they ask you to stop by the office instead of just give u a price by phone, their prices are a little higher than other places, and the quality is not the best,
Honest R.
May 08, 2019 Report
Didn't have the best experience just getting an estimate. Seemed like there was some kind of language barrier in addition to disinterest in my business. Two stars for replying and answering my questions - quote was simply much, much too high for the work compared to other contractors (did not actually visit in person though).
John Oliva
Dec 01, 2018 Report
I went in for some window repairs when I went for pick up 30 mins early the Mexican guy in the back name Martin told me they were not ready yet but I was looking at them and they were ready. I would not do business here again .
Vincent P.
Jun 03, 2018 Report
My neighbor got all windows done from Newtec, and referred them to me, just got all windows replaced for this new property, all front looks beautiful and stand out, good window, good installation, efficient installer.
Evangeline M.
Nov 05, 2016 Report
I had them install a glass patio door and screen door in my apartment. The work was great. The glass door opens and closes easily. The workers cleaned up very thoroughly when they were done. After a while the screen door got really sticky and hard to open.