Great lakes Window®
Fact Sheet
  • Great Lakes Window, headquartered in Toledo, Ohio, is one of the nation’s oldest manufacturers of all-vinyl custom replacement windows and patio doors. With a rich heritage of innovation and relentless commitment to quality, Great Lakes Window has maintained a reputation for manufacturing world-class products and standing behind them with industry-leading warranties.
  • Great Lakes Window markets its UniFrame®, PlyGem LifestylesTM and SeabrookeTM  brand product lines through a nationwide network of dealers and the GrandViewTM series through building material specialists.
  • With steadfast commitment to energy efficiency, all Great Lakes Window products are tested by the National Fenestration Ratings Council (NFRC) to determine how well they prevent the transfer of heat through the window unit. Great Lakes Window is proud to have earned ENERGY STAR® approval by the U.S. Department of Energy for its energy-efficient products – including double and triple glazed window and door units with Low-E and gas-filled glass.
  • ENERGY STAR is a government backed program sponsored by the U.S. Environmental Protection Agency to help consumers identify energy efficient products.
  • To ensure superior strength and durability, all Great Lakes Window products are entirely fusion-welded. This creates a solid, one-piece unit that maintains its strength over the years and ensures that frame and sash corners won’t have the excess variance found with other welding techniques. Great Lakes Window products also are tested to the Window and Door Manufacturers Association (WDMA) industry standards for air infiltration, water penetration, structural load and forced entry resistance performance ratings. This certified performance allows products by Great Lakes Window to bear the HALLMARK label.
  • Great Lakes Window understands that total customer satisfaction goes well beyond energy efficiency and product durability. With a selection of color, caming and decorative grid options across a full range of window and door styles including Classic, Original and Contemporary, the elegance of custom window designer glass is optional with the practicality of a Great Lakes Window product.
  • Great Lakes Window is dedicated to helping its dealers and distributors separate themselves from the competition. Through the availability of outstanding sales tools including support literature and a newly enhanced Web site*, Great Lakes Window provides its dealer and distributor networks with the fundamentals necessary to extend the benefits of Great Lakes Window products to homeowners.
  • More information about Great Lakes Window and its various product lines and services can be found by visiting www.greatlakeswindow.com or calling 800.666.0000.

BENEFITS:

  • Lower Utility Bills:  With an ENERGY STAR certification and approval from the NFRC, Great Lakes Window products ensure homeowners will use less energy.  
  • Added Comfort:  Great Lakes Window products are designed to reduce air infiltration and enhance thermal performance, which means a home will become less drafty and maintain an even temperature more effectively.  

*For more information about Great Lakes Window and its products, visit www.greatlakeswindow.com

Increased Value:  Complete with a transferable Lifetime Limited Warranty, maintenance-free durability and a variety of custom options available to perfectly match any home’s décor, each Great Lakes Window product beautifies and adds to the overall value of a home.

Increased Security:  With the WDMA HALLMARK-certified forced entry resistance performance and the availability of advanced multi-point locking system technology, Great Lakes Window doors and casement operator types are designed to protect a home from intruders.

Trusted Support:  Great Lakes Window, a trusted manufacturer with a proven history of innovation, stands behind its products and provides effective sales and marketing tools to support its dealer and distributor networks.