Make Your Home Feel Cozy, Safe & Beautiful With New Windows
Trusted By Thousands Of Chicagoland Homeowners
75
400+ Reviews
50+ Reviews
Years Experience
Trusted By Chicagoland Homeowners
Since 1950!
With Trim-A-Seal, you get more than a window company — you get a team you can count on.
Multiple Colors & Finishes
5-Year Workmanship Guarantee
Lifetime Product Warranty
Energy-Efficient Milgard Windows
Latest Customer Reviews:
Everything from the sales call, purchase, installation, and service has been great. Would highly recommend!
Recently Completed Projects
Family Owned & Operated
Limited-Time Offer: $997 Off
& $0 Interest For 18 Months!*
Hurry, Sale Ends September 30th
Get Started With A Free Quote
& Lock In $997 Off
Serving Chicagoland For 75 Years
Certified Installers
& $0 Interest For 18 Months!*
Sale Ends September 30th
Limited-Time Offer: $997 OFF
Why New Windows?
Tired of cold drafts in wintter? Sick of high energy bills? Worried your windows look old or worn out? We can fix all of that.
Robert W.
My doors and windows look great and work perfectly. The installers were professional and took care of every detail. I will have Trim a Seal back for other home improvement projects. Thomas and Rodney were great.
Frank O.
Appreciate the great service. Job was done efficiently and looks great! I would recommend this top notch service to anyone. Thank you again for such a great experience, thank you Trim-a-seal. Your experience and expertise has been noticed!
Jenny K.
& $0 Interest For 18 Months!*
Sale Ends September 30th
Limited-Time Offer: $997 OFF
& $0 Interest For 18 Months!*
Sale Ends September 30th
Limited-Time Offer: $997 OFF
*Offer valid on purchase of 3 or more windows. Savings increase with the number of windows purchased. Cannot be combined with other promotions. Discount may exclude installation costs. Prior sales excluded. Other restrictions may apply. Financing based on approved credit. Interest will be charged to your account from the purchase date if the purchase balance is not paid in full within the promotional period or if you make a late payment.