NT Window Twinsulator™ Aluminum Windows
817-860-9767
Black aluminum windows on modern apartments. Black aluminum windows on modern apartments.
Black aluminum twin single hung windows side by side. Black aluminum twin single hung windows side by side.
Two black windows side by side on gray stucco building. Two black windows side by side on gray stucco building.
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NT Window

Twinsulator™

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Twinsulator™ aluminum windows are crafted from powder-coated aluminum extrusions, which offers strength and thermal performance. These windows require little to no maintenance.

  • Made in USA
  • Energy Star certified to help you save energy
  • 45 years of Remodeling Excellence
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Twinsulator™ aluminum windows have the slimmest frames. Aluminum windows allow homeowners to maximize glass surface and views without distracting frames. 

NT's aluminum series is crafted from powder-coated aluminum extrusions which offer strength and thermal performance. 

  • The very best in aluminum window construction
  • Engineered and constructed for extreme weather protection and energy efficiency
  • Designed for residential and light commercial applications
  • ThermaProtect™ insulation barrier improves the window's performance
  • Lifetime Limited Warranty (refers to Twinsulator Series Residential Product Warranty)

 

  • Features
  • Colors
  • Grids & Glass
  • Styles
  • Performance
Features

  • A: Powder coated aluminum extrusions

    B. ThermaProtect thermal break insulation barrier to protect from the elements

    C. 3/4" dual glaze cardinal LowE 366 Double Strength Glass

    D. Warm edge super spacer for increased efficiency

Colors

Colors

  • Creme White
  • Bronze
  • Black
Grids & Glass

Grid Options

  • Display Image
    Internal - Flat
  • Display Image
    Internal - Contoured

Glass

  • Display Image
    Rain
  • Display Image
    Obscure
Styles

Window Styles

  • Display Image
    Single Hung
  • Display Image
    Sliding
  • Display Image
    Picture
Performance

Twinsulator Glass Performance

  • Single Hung

    U-Factor: 0.43
    SHGC: 0.23
    Frame Depth: 2-5/8"
    AAMA Rating: C40

    Dual Pane, Cardinal LoE3-366 with Argon

  • Sliding

    U-Factor: 0.42
    SHGC: 0.22
    Frame Depth: 2-5/8"
    AAMA Rating: LC40

    Dual Pane, Cardinal LoE3-366 with Argon

  • Picture

    U-Factor: 0.33
    SHGC: 0.25
    Frame Depth: 2-5/8"
    AAMA Rating: LC60

    Dual Pane, Cardinal LoE3-366 with Argon

So far I have enjoyed my new windows very much! Lets plenty of sunlight into my house now. No more feeling drafts coming from the windows.

— Sheila, Review from NTwindow.com

Product Specs

Brand NT Windows
Series Twinsulator™
Exterior Color Creme White, Bronze, Black
Interior Color Creme White, Bronze, Black
Composition Aluminum extrusions
Construction Type New construction, replacement, or commercial
Styles Single Hung, Slider, Picture, Specialty Shape
Frame 2-5/8"
Thermally Broken Frame Yes
Thermally Broken Sash Yes
New Construction Fin Optional
Mobile/Stucco Fin Optional
NFRC Ratings Yes
WDMA Hallmark Certification Yes
AAMA Certification Yes
Warranty - Residential Lifetime
Warranty - Commercial 10 Year (Extended available)

Ratings & Reviews for NT Window Twinsulator™

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5 / 5 Stars
100%
would recommend

Cindy W.

Zip Code: 75159 (Combine, "TX")

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NT Window Twinsulator™
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The windows gave my childhood home a face-lift right away

Brennan Enterprises came highly recommended from a family friend and they were wonderful from the first phone call to installation. The windows gave my childhood home a face-lift right away and they're so easy to open & close! Seriously, one of the best purchases we made while renovating our home.

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Need Help?

Email an expert at hello@brennancorp.com

or call us at 817-860-9767

DFW 2100 E Randol Mill Rd. Arlington, Texas 76011

©2024 Brennan Enterprises, Inc. All rights reserved. Product specifications are believed to be accurate at the time of original publication. Consumers should verify specifications prior to purchase rather than rely on information on this website, which is not intended to be a final specification. Projected lead times are based on current production volumes and order backlogs, however there are still some lingering supply chain challenges and disruptions that are difficult to predict or model.

Star IconStar IconStar IconStar IconStar Icon“Excellent job. Quality installation. Very professional.” — Denise from Carrollton