National Comfort Products®
How to determine the date of production/manufacture or age of National Comfort Products® HVAC Systems.
The date of production/manufacture or age of National Comfort Products® HVAC equipment can be determined from the serial number located on the data plate.
Parent Company:Â National Refrigeration and Air Conditioning Products, Inc.
Example serial number styles/formats found:
Style 1:Â Â Â Â Â Â 24730347 (Used since 2002)
Style 2:Â Â Â Â Â Â 23221112 (From 9/30/1988 t0 2002)
Style 3: Â Â Â Â B98B1112 (Prior to 9/30/1998)
Style 1:Â 24730347
Year of manufacture is coded in the 2nd & 3rd numerical digits. In this example the number 47 represents the year 2003. (See chart below).
Month of manufacture is coded in the 4th numerical digit. In this example the #3 represents the month of March. (See chart below).
Style 1 Decoder
Style 2:Â Â 23221112
Year of manufacture is coded in the 2nd & 3rd numerical digits. In this example the number 32 represents the year 1998. (See chart below).
Month of manufacture is coded in the 4th numerical digit. In this example the #2 represents the month of February. (See chart below).
Style 2 Decoder
Style 3:Â B98B1112
Year of manufacture is 1st &2nd numerical digits
Month of manufacture is 3rd character letter digit (See chart below)
Style 3 Decoder
Page last updated: 13 Sep 2015
