Warranty Information

MI Windows and Doors strives to deliver exceptional customer experiences before, during, and after the purchase of our windows and doors. In this effort, we provide comprehensive window warranties and door warranties on all of the products we manufacture. Below you will find the warranties for windows and doors manufactured between January 2010 and July 2016.

Prior Warranties

EnergyCore Series Customer Assurance Warranty (pdf)

Warranty for MI's EnergyCore Series windows and doors

Download (271 KB)

Glass Breakage Warranty (Eastern and Southern Regions) (pdf)

Effective January 1, 2018–August 25, 2019. Limited lifetime glass breakage warranty for 1600 and 1500 Series products manufactured out of Gratz, Pa., Hegins, Pa., and Flower Mound, TX.

Download (62 KB)

Glass Breakage Warranty (Eastern/Southern Regions Jul16-Dec17) (pdf)

Download (177 KB)

Glass Breakage Warranty (Western Region Jul16-Dec17) (pdf)

Download (176 KB)

Glass Breakage Warranty (Western Region) (pdf)

Effective January 1, 2018–July 1, 2019. Limited lifetime glass breakage warranty for new construction and replacement products manufactured out of Prescott Valley, AZ.

Download (130 KB)

Limited Lifetime Customer Assurance Warranty (pdf)

Limited Lifetime Customer Assurance Warranty for MI products used in both new construction and replacement applications, includes General Aluminum-branded products as well.

Download (1181 KB)

New Construction Limited Lifetime Product Warranty (Eastern and Southern Regions) (pdf)

Effective July 1, 2019. Limited lifetime product warranty for new construction products manufactured in Hegins, PA, Gratz, PA, and Flower Mound, TX.

Download (297 KB)

New Construction Product Warranty (Eastern and Southern Regions) (pdf)

Effective July 15, 2016–July 1, 2019. Limited lifetime product warranty for new construction products manufactured out of Gratz, Pa., Hegins, Pa., and Flower Mound, TX.

Download (99 KB)

New Construction Product Warranty (Eastern and Southern Regions) (pdf)

Effective March 1, 2020. Limited lifetime product warranty for new construction products manufactured in Hegins, PA, Gratz, PA, and Flower Mound, TX.

Download (299 KB)

Product Warranty (Western Region) (pdf)

Effective July 15, 2016–July 1, 2019. Limited lifetime product warranty for new construction and replacement products manufactured out of Prescott Valley, AZ.

Download (102 KB)

Replacement Limited Lifetime Product Warranty (Eastern and Southern Regions) (pdf)

Effective July 1, 2019. Limited lifetime product warranty for replacement products manufactured in Hegins, PA, Gratz, PA, and Flower Mound, TX.

Download (299 KB)

Replacement Limited Lifetime Product Warranty (Eastern and Southern Regions) (pdf)

Effective March 1, 2020. Limited lifetime product warranty for replacement products manufactured in Hegins, PA, Gratz, PA, and Flower Mound, TX.

Download (299 KB)

Replacement Product Warranty (Eastern and Southern Regions) (pdf)

Effective July 15, 2016–July 1, 2019. Limited lifetime product warranty for replacement products manufactured in Gratz, Pa, Hegins, Pa, and Flower Mound, TX.

Download (103 KB)

Supplemental Labor Limited Warranty (Western Region) (pdf)

Supplemental limited labor warranty for MI's Pro5000 Series and HomeMaker3 Series windows and doors

Download (70 KB)

Warranty Rider for Integral Blinds or Shades (Blinds-Between-the-Glass) (pdf)

This Warranty Rider applies to and modifies the individual written product warranties for all MI-branded products that incorporate integral blinds or shades within the insulated glass unit.

Download (169 KB)

Warranty Rider for StormArmor Impact-Resistant Glass (pdf)

This warranty rider applies to all MI-branded products with the StormArmor impact-resistant glass feature.

Download (50 KB)

If your windows were manufactured prior to January 2010, please contact CustomerCare at 717-365-2500.

The MI Warranty