What is The easiest way to identify a window name brand or code of the manufacturer?

FAQ'S - How Can I Figure Out What Type of Windows I have from the Glass Code Stamping?
FAQ'S - How do I Find the Manufacturer's Name For My Old Windows?

Window and Door Glass Identification Help | Glass Identification Codes | MFG Codes

FAQ'S - How Can I Figure Out What Type of Windows I have from the Glass Code Stamping?

FAQ'S - How do I Find the Manufacturer's Name For My Old Windows?

The easiest way to immediately identify a window is by locating the name of the manufacturer itself on the product somewhere? Some companies, like Acorn, Biltbest, Caradco, Hurd, Marvin, Malta, Oldach,  and others stamp their name on the window hardware - generally on the handles, sash locks or other window or door hardware. Look carefully inside the insulated glass spacer bar ( between the panes) .. sometimes in very small stampings you'll find information. (The spacer bar sits in-between the two sheets of glass in your window or patio door) - it runs clear around the edge of the glass.Some companies like Andersen, Pella, Better-Bilt, Shelter, Outlook and Windsor will have their names "etched" in the corner of the glass; Other companies like Crestline, SNE and Vetter are all known to not place their names on units - instead they placed a string of letters and numbers on their products and unless you know exactly what these letters and numbers mean - you'll have a hard time to determine what kind of window it is.

 

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Finding Identification Codes on old Windows or Doors; Most windows sport a glass code, which typically references the date and manufacturer; This code is typically found etched into a corner of the glass or stamped or printed on one of the four sides of the spacer channel which separates the two panes of glass. Many aluminum and vinyl window manufacturers belong to the AAMA, the American Architectural Manufacturer's Association. This association uses a small sticker to denote certification, typicallly applied to the window frame or sash, and is about ½” wide and 3 ½” long. Among the information on the sticker is the manufacturer's code and the identification of the series of window. This code needs to be converted to know who makes the window if the name of the company cannot be found elsewhere on the product. Unfortunately, in many cases, the original manufacturer has gone out of business.