American Thermal Window is a family-owned and family-run business. Established in 1981, American Thermal began as a part-time operation by Iver Johnson Sr., who is a retired police officer of 31 years at the Chicago Police Department. Located at the intersection of Milwaukee and Central Ave in the heart of the northwest side, American Thermal has served the entire Chicagoland area since its beginnings.

Sahara Window and Doors was purchased in 2009 and merged with American Thermal Window enabling the two companies to service the entire Chicagoland area.

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Windows

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American Thermal Window has a large variety of quality replacement windows from the manufacturers you know and trust. American Thermal Window works with more manufacturers than most Chicago window companies. By carrying multiple window manufacturers, American Thermal Window is able to work with both large and small budgets and offer numerous styles no matter the budget.

Replacement Bay, Bow, & Garden Windows

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Bay, bow, and garden windows enhance homes by increasing light, by adding storage space and by adding beauty to rooms. American Thermal Window can install casement or double hung style bay, bow, and garden windows to any home. As with their other windows, bay windows, bow windows and garden windows from American Thermal Window come with numerous options and can be completely customized for your project. With options from stained glass, interior seating and custom grid patterns, American Thermal Window is sure to have windows that match your taste.

Replacement Casement & Awning Windows

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American Thermal Window carries a large selection of replacement casing windows and replacement awning windows. Casement and awning windows make a great alternative to single-hung and double-hung windows, especially when a sleek modern look is desired that still maximizes ventilation. With Casement Windows, the window is attached to the frame by one or more hinges and swings open with the use of a crank or lever placed at hand-height.

Replacement Double Hung Windows

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Double hung windows are an extremely popular window choice among American Thermal Window's client base. On double hung windows, both sashes on the frame move independently, allowing both the bottom and top portion of the window to be opened for ventilation. Also, both sashes of the window tilt inwards to make cleaning the window exteriors easier.

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