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Remodelers, home builders, and real estate developers rely on GuildQuality's customer satisfaction surveying to monitor and improve the quality of service they deliver.

Chris Taylor

"My windows did not even shut all the way when we purchased our home. In the winter air came flowing through. When cars drove by,… Read more

Bill Whiting

"Our original windows which were 25 years old, were in bad shape. These new windows from Great Lakes are truly nice. The installation went without… Read more

William Schudel

"Great windows .. a huge upgrade over the old ones. - William Schudel Read more

Tammy and Tom Spillis

"We had Great Lake casement windows installed in 2000 and 2004. The seal in the double pane broke and a moldy film was growing in… Read more