Knowing your unit’s manufacture date can help you check if it falls within the affected range, allowing you to take appropriate action to address any safety concerns or recall-related issues promptly.
Decode the serial number by identifying the first four digits, which represent the year and month of production, providing you with the precise manufacture date.
TL DR: To find the manufacture date on a Lennox air conditioner, locate the serial number on your unit, usually on the nameplate or data tag.