American Thermal Window
One of Chicagoland’s Top Rated Window and Door Companies.
CHICAGOLAND WINDOW, DOOR AND SIDING COMPANY
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.
WHY AMERICAN THERMAL WINDOW?

HIGHLY-REVIEWED
We have a very high average rating from our very satisfied customers. We pride ourselves on providing outstanding products and exceptional customer service
FAMILY-OWNED
We are a family-owned and family-run business. We have over 40 years of experience in the industry and guarantee that our customers will love the work we do for them
TOP QUALITY PRODUCTS
We offer only the highest quality products for our customers. All Warrantees and Guarantees can also be viewed at our locations.
WINDOW INSTALLATION TIMELAPSE
Great Lakes EcoSmart Installation
See our team in action when installing EcoSmart windows! To watch more videos of American Thermal Window, click the link below.
“Excellent service, professional crew, I will definitely recommend American Thermal Window, Thank you.”
– Jim T., Des Plaines
“Very friendly. Very hard workers, cleaned areas as they worked, left everything clean and answered all my questions. Keep up the good work”
– Mark S., Skokie
“Excellent service, very nice people to deal with. I would recommend this company”
– Janice C., Mt. Prospect