Byers Home Improvements features three grades of Seaway® replacement windows; the Clarion, Encore, and VinylPrime. Although these windows suit most every replacement need, we will work with you, the customer, for the window you desire most.* Clarion™ - (Best) The Clarion™ series tops the vinyl window line, featuring the heaviest walled profile with fusion welded sash and mainframes. Extruded sloped sill construction and neoprene glazing make this window ideal for both commercial and residential use. Encore™ - (Better) Advanced window technology combined with classical Victorian styling makes the Encore™ replacement window the #1 vinyl window with today's homeowner. The Encore™ is made of long lasting, easy maintenance vinyl with strong fusion welded sash and main from construction. VinylPrime™ - (Good) The VinylPrime™ window is a proven, reliable design that has withstood the test of time. This window is both energy efficient and cost effective with mechanical or welded sash and double insulated glass. * Byers Home Improvements offers other replacement window products. We also offer Low E glass, and argon in most of our windows. Triple-pane glass is also available. We do light commercial work, as well! Please contact us to discuss our full line of products.