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American Standard Decoder Serial Number Information.

American Standard Decoder Portable Devices Not.

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To determine other key specs of your HVAC system, see one of these other blog posts: To determine the age of a American Standard air conditioner or heat pump, go to our blog post How can I determine the age of an American Standard air conditioner or heat pump from the serial number?

Many, but not all, furnace data plates will also state the month and year of manufacture somewhere on the data plate, like the examples below. Notice that the year that the letter indicates is corroborated by the 1990 year of the ANSI rating above it, which should be the same year or just a few years earlier. So the serial number shown below indicates that the furnace was manufactured in 1992. Many units have the date of manufacture stated below the serial number.Ģ) 1983 to 2001 - If the serial number starts with a letter, then that is the encoded year. Beginning in 2010, the first two digits are the year.

1) 2002 to present - If the serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year.

American standard serial number decoder