AIRTEMP®
(Formerly:Â Chrysler-AirTemp)
How to determine the date of production/manufacture or age of AIRTEMP® HVAC Systems.
The date of production/manufacture or age of AIRTEMP® HVAC equipment can be determined from the serial number located on the data plate.
Parent Company: Fedders. Fedders is part of the Airwell Group.
Fedders Brands include/or have included:Â AirTemp; Emerson Quiet Kool; Eubank; Koppel; Maytag (under license); Melcor; Polenz; Sun; and Trion
Example AIRTEMP serial number styles/formats found:
Style 1:Â 12345AN
Style 2:Â DS 405643
Style 3:Â VSG181150070 (Manufactured under license by Nortek)
Style 1:Â Â 12345AN
Description: Seven (7) character serial number. Begins with a five numerical digits and ends with two letter digits which represent the month and year of manufacture. See Below.
Month of manufacture can be determined by using the 6th digit. See decode chart.
The Year of manufacture can be determined by using the 7th digit. See decode chart.

Style 2:Â Â DS 405643
Description: Eight (8) character serial number. Begins with two letter digits followed by 6 numerical digits.
The Month and Year of manufacture can be determined by using the first two digits. See date of manufacture chart in slide below.

Style 3: Â VSG1811 50070
Description: Twelve (12) character serial number. Begins with three letter digits followed by 9 numerical digits.
The Year and Month of manufacture can be determined by using the fourth thru seventh digits.

Page last updated: 13 June 2018