Q. What type of windows do you install?

A. Wood, vinyl, aluminum, and fiberglass. We can help you find the best option for your home or business. You can find more information here:

Replacement Windows
Storm Doors and Windows
Commercial Aluminum Windows and Doors
Commercial Doors and Windows
Commercial Storefront Windows
Fire-rated Windows
Glass Block Window


Q. Who installs your windows?

A. All installations are done by our own in house installers. They have been trained by us and have been with our company on an average of 17 years. Their experience is reflected in the quality of our work.


Q. Is window installation messy?

A. We haul away all debris the day of installation. All of our installers are equipped with tarps, hallway runners and vacuums. We are also certified by the EPA in lead safety.


Q. Are you licensed and insured?

A. We are licensed as a general contractor, fully insured and bonded and carry business licenses in the city or towns we are doing work in. We also obtain any necessary permits.


Q. Are you a member of the Better Business Bureau?

A. We are a long time member and maintain a A+ rating. You can also find our reviews on:

Angie’s List
Google Reviews


Q. Do you offer financing?

A. Financing is available to and your product rep will go over your options with you.


Q. Do you install all year round?

A. Our installers keeping working not only through the warm months but also keep quite busy during the winter too.


Q. Will you install only one window?

A. Absolutely. We will install one window or door and it’s not uncommon for customers to finish their home over multiple years.


Q. What happens if one of my new windows break?

A. We have a full time service staff and crew. You simply call our office and you can expect repair in a timely fashion. Take a look at our Replacement Windows


Frequently Asked Questions about Replacement Windows and Doors

Consult the Chicago Replacement Door & Window Experts at American Thermal Window today for a FREE in-home estimate.
Call (773) 774-3131 or email us at info@americanthermalwindow.com  24 hours a day – 7 days a week.