THERMO-TWIN WINDOWS 800-641-2211
  • About Us
  • Vinyl Windows
    • Double Hung Window
    • Slider Window
    • Casement Window
    • Picture Window
    • Awning Window
    • Bay /Bow/Garden Window
    • Super Spacer for Windows
  • Entry/Patio Doors
  • Sun Rooms
  • Wholesale
  • FAQ
  • Employment

Contact for Free Estimate

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* Approved and Financing by Synchrony Bank. Up to 30% Off Windows and Doors. Sold and Installed by Our Retail Division. Can Not be Used With Previous Orders or Specials. Offer Expires 02/28/2023.

      Pittsburgh's ONLY Complete Window and Sunroom Company!
Measuring, manufacturing of frames and sashes, insulated glass units, assembly, and quality control inspection are all done at our Pittsburgh facility from locally sourced materials. Installation is done by our own experienced crews of highly trained professionals.  Thermo-Twin is an Employee Owned company,  and we take pride in providing complete customer satisfaction.  Thank you for visiting!

About Us

Thermo-Twin Windows  has been providing window solutions to the Pittsburgh and Erie regions for 50 years.  Founded in 1972, we’ve evolved from being a glass supplier to the window manufacturer and remodeling company that we are today.  Our expertise is in designing, manufacturing and installing windows, sunrooms, doors, and patio rooms.  We’re proud to be an employee-owned company, and we’ve made it our priority to deliver quality products made locally in Pittsburgh, PA.
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Contact for Free Estimate

More Information About Us


Frequently Asked Questions

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Download Our Full Color Brochure
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Testimonials & BBB Rating

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Conservation and Recycling

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Locations

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©2023 Thermo-Twin Industries, Inc.
Pittsburgh & Erie Branch Offices
Business Hours:  M-F 7:00am - 4:00pm  Closed Saturday & Sunday
We are an Employee Owned Company
An Equal Opportunity Employer
Ph: 800-641-2211  Fax: 412-826-0455
​Email: info@thermotwin.net
Facebook.com/ThermoTwinWindows
HIC# PA013012



  • About Us
  • Vinyl Windows
    • Double Hung Window
    • Slider Window
    • Casement Window
    • Picture Window
    • Awning Window
    • Bay /Bow/Garden Window
    • Super Spacer for Windows
  • Entry/Patio Doors
  • Sun Rooms
  • Wholesale
  • FAQ
  • Employment