The Worthington Window & Patio Door Warranties & Guarantees.

Worthington Windows® True-Lifetime Warranty

Illinois Energy Windows & Siding is the exclusive installer of The Worthington Window. IEWS offers the most comprehensive lifetime plus warranty that includes the following:
– 100% non-prorated coverage, as long as the house exists
– Transferable to new homeowners
– No charge for service, parts or labor
– No deductibles
– An automatic warranty. No paperwork to fill out.
– No parts to be shipped at homeowners expense.
– Unlimited FREE glass breakage warranty.
– AAMA certified 100% virgin UPVC Vinyl that is guaranteed not to flake, peel, rot, crack or blister
– No condensation, moisture, dust, or film in between the panes of glass
– All balances, locks, handles and any hardware are warranted for the life
 of the home.
– Unlimited rescreening provided screen is brought into Lisle location.
– Caulking warranted on all windows for 5 years from date of installation.
– Installing since 1993

Customers: Update Your Warranty Info Here!

Price-Assurance Guarantee.
At Worthington Windows®, you can be assured once the work order has been completed,
the price will remain the same.

All Aspects Covered


No charge for service.


No charge for parts.


No charge for labor.

Glass Breakage

Unlimited FREE glass breakage warranty.


Warranted against condensation, moisture, dust, or film in between the panes of glass.


Warranty transferable to new homeowners.