155 E Saint Charles Rd, Villa Park, IL 60181 | info@thermalcraft.com
Call us Today: 630-279-1220
Thermalcraft Inc. is a family owned and operated business that has been providing the Chicagoland area with the sale and installation of top quality windows, doors and siding since 1984. Our goal is to create the most satisfied customer possible with our expert sales and installation staff, and superb service. Come on in or call and experience the best in the business!

Window, Door, & Siding Specialists in the Chicagoland Area

Founder James Nelligan, brings more than 30 years of expertise to satisfy your window and door needs. With a highly qualified and experienced sales and installation staff.

Thermalcraft, Inc. will provide extensive manufacturer and product knowledge and superb service. And to further guarantee your satisfaction, our warranties are the best in the business.

Customer Satisfaction

At Thermalcraft, Inc., we have a saying, “With us you're Number 1.” And that's our promise to you. We insure that you get the best possible job, at the best possible price.


At Thermalcraft, Inc. all of our representatives have access to listings of completed jobs in your area. Chances are you've seen our signs in your neighborhood.


At Thermalcraft, Inc., in addition to our Product Warranties you will receive a 10 year Labor and Service Warranty. From our windows to our vinyl siding, we'll warranty that our quality products will last and perform as they were intended.