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To determine the age of an HVAC system or water heater, begin your research by locating the brand name and serial number on the HVAC system or water heater. Visit the appropriate index page from the menu or buttons above where alphabetized lists of manufacture brand names have been provided.
The date of production/manufacture or age of Lennox® HVAC equipment can be determined from the serial number located on the data plate.
The date of production/manufacture or age of American Standard brand HVAC equipment can be determined from the serial number located on the rating data plate. Example serial number styles/formats found:
The date of production/manufacture or age of Williamson Thermoflo® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: Weil-McLain a division of Marley-Wylain Company
The date of production/manufacture or age of Coleman brand HVAC equipment can be determined from the serial number located on the rating data plate.
Year of manufacture can be determined by using the 1 st & 2 nd positions of the serial number. Month of manufacture can be determined by using the 3 rd & 4 th positions of the serial number. This style of serial number was primarily used by Bryant/BDP (subsidiary of Carrier) during the 1980's.
The date of production/manufacture or age of Goodman brand HVAC equipment can be determined from the ten character serial number located on the rating data plate.
The date of production/manufacture or age of Nordyne brand HVAC equipment can be determined from the serial number located on the rating data plate.
The date of production/manufacture or age of ICP brand HVAC equipment can be determined from the ten character serial number located on the rating data plate.
The date of production/manufacture or age of Gibson® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: Nortek (formerly Nordyne Manufacturing)