
The serial number in modern HVAC unit is to encode the year and month of manufactured date of production (the unit age). Most air conditioner have their unit information in the form of sticker or plate inside the the sidewall condenser. In this article, I will show you how to decode the goodman serial number and its location.
The Goodman Serial Number Location
Your goodman air conditioner or heat pump however will usually have it’s sticker or plate mounted on the exterior of the unit. It’s located on the top, right rear area of the unit. You can see the picture below for more detail.

Goodman Serial Number Lookup and Decode
The Goodman serial number is a ten digit code that helps us identify the age of goodman air conditioner. The date of manufacture is coded in the 1st four digits of the goodman serial number. These four digits code represent the year and the month of manufacture.
Serial Number Lookup Example
#1305754230
Now I will explain how to read the serial number above. Refers to what we see, the age of goodman air conditioner for the example avove, the unit was produced in May 2013.
Although it sounds almost the same, there are differences between the serial number and the model number. Goodman serial number is very necessary when you want to check the warranty status of the air conditioner unit. While the model number is used to determine the tonnage size and the unit types.
I hope this article helps those of you who are having difficulty in how to read the goodman serial number.