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Lifetime Workmanship Warranty

Gravina's Window Center in Littleton offers a lifetime commitment to superior craftsmanship. We guarantee our work will endure over time.*

Infinity Windows Limited Lifetime Warranty

A Limited Lifetime Warranty covers Infinity windows. Owner-occupants of single-family dwellings which have purchased their windows and doors through an authorized Infinity retailer are eligible for the Limited Lifetime Warranty. To read the warranty, click the link below.

Infinity Limited Lifetime Warranty

Warranty Registration

To validate your Limited Lifetime Warranty on Infinity products, you must register your warranty within 60 days of installation. Please take a moment to register your products with our online warranty registration or call customer service at 1-800-533-6898.

Register Your Products

Infinity Replacement Windows Owner's Manual

If you already own Infinity Replacement Windows, you can download the Owner's Manual for valuable information regarding the operation and care of your Infinity windows.

Infinity Owner's Manual & Care and Maintenance


*The Gravina’s Window Center of Littleton Warranty applies to qualifying products as long as the original purchaser owns the home. See store for details.