LG®
How to determine the date of production/manufacture or age of LG® HVAC Systems.
LG Air Conditioning Technologies offers efficient and innovative solutions for residential and light commercial heating and cooling needs. With expansive offerings of both ducted and duct-free options, as well as leading-edge controls, LG Air Conditioning Technologies is a leading player in the global air conditioning market for both residential and commercial applications.
The date of production/manufacture or age of LG® HVAC equipment can be determined from the serial number located on or near the data plate.
Parent Company:Â LG Electronics Inc.
Example serial number styles/formats found:
Style 1: Â Â 905KCPY21920
Style 2: Â Â EQ11220013150001
Style 1:Â Â 905KCPY21920
Year of manufacture of LG Air Conditioning systems can be determined by using the 1st numerical digit.
Note that the decade is not distinguished. One must look for other cues to determine the decade.
Month of manufacture of LG Air Conditioning systems can be determined by using the 2nd & 3rd numerical digits.
The example above indicates a manufacture date of 5th month (May) of 2019, but could also be 2009.
(HINT – Some units have a separate serial number tag from the main data plate/tag. The manufacture date may be included.)
See photo below:
Style 2:Â Â EQ11220013150001
Year of manufacture can be determined by using the 6th thru 10th numerical digits.
Month of manufacture can be determined by using the 11th & 12th numerical digits.

Page last updated: 04/22/2020