Goodman serial number lookup6/16/2023 Serial number formats vary by range of years over which equipment was manufactured, and may vary among countries of manufacture for a given company’s equipment, for example between the U.S. The serial number of modern HVAC equipment encodes the year and month of manufactured date. On older equipment the BTUH cooling capacity may be encoded in the model numbers.ĬOOLING CAPACITY discusses how to read the cooling capacity in BTUH or tons from air conditioning or heat pump tags or name plates.
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