Lifetime Limited Warranty

For the peace of mind you deserve.

Safe and Secure Installation

Our Best-In-Class Warranty

When you buy from Window World, you’re getting much more than new windows, doors, siding, and installation. Just as important, you can rest easy knowing that we will stand behind our products for a lifetime. As the nation’s largest home remodeler, we will be there to service any defects in material and workmanship.* We are committed to making sure your new windows, doors, and siding is properly maintained for the long-term.

*Some limitations and exclusions apply. Read the entire warranty before making a purchase.

Replacement Products You Can Rely On

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All-Inclusive Transferable Lifetime Limited Warranty Overview

Subject to the limitations and exclusions on reverse side Window World (”Company”) warrants to the original purchaser/property owner (”Owner”) and, if any, Owner’s immediate transferee, excluding all other subsequent transferees, that any window or vinyl sliding patio door installed by the Company is free from defects in material and workmanship for as long as the Owner or Owner’s immediate transferee resides in the home in which the windows are installed. See Printed Window World labor and manufacturer’s product warranties for complete details.

checkmark iconVinyl Parts Warranty –  That under normal use, the vinyl components of the window will not blister, peel, rot or corrode.

checkmark iconMechanical Parts Warranty – That all mechanical parts (locks, vent stops, balances) are warranted to be free from manufactured defects in material and workmanship. Replacement parts will be supplied at no charge.

checkmark iconInsulated Glass Warranty – The sealed insulated glass unit is warranted against defects resulting in material obstruction of vision from film formation caused by dust or moisture in the dead air space of the sealed unit for the life of the window. If the glass unit fails, the Company will provide the Owner with a replacement insulated glass unit at no extra charge.

checkmark iconGlass Breakage Warranty – The Company will provide the Owner with a replacement insulated glass unit in the event of accidental glass breakage.

checkmark iconLabor Warranty – That all labor necessary to correct any item covered by this warranty will be provided at no charge by the Company

checkmark iconTransferable Warranty – This warranty may be transferred to the Owner’s immediate transferee provided the transferee notifies the Company, in writing, at the address below, within 30 days of the property’s transfer date. The correspondence must include a transfer fee of $50, the original Owner’s name and address, transferee’s name and address, and the Window World location responsible for the installation

Window World
3600 Rider Trail South
Earth City, MO 63045


General Limitations and Exclusions

  1. Acts of God (hurricanes, tornadoes, flood, etc.) Acts of war, fire, stress resulting from localized heat, modifications, and vandalism are not covered by this warranty.
  2. Color variances may occur between replacement parts and weathered original material.
  3. Labor warranty does not transfer to Owner’s immediate transferee.
  4. This warranty is exclusively for windows installed by the Company. Any additional products, such as doors, installed by the Company, in conjunction with the window contract/installation will carry the warranty provided by the manufacturer.

This warranty gives you specific legal rights, and you many also have other rights which vary from state to state.



Warranty or Service Request Form


General Contact Info


Installation Address


Product Information



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