Quiet Kool-Fedders®

How to determine the date of production/manufacture or age of Quiet Kool® HVAC Systems.

The date of production/manufacture or age of a Quiet Kool® HVAC unit can be determined from the serial number.

Parent:  Fedders-Airwell

Serial number styles found:  (NOTE:  Serial Number styles found for Fedders-Airwell are being used here.  Although unconfirmed it is believed that all Fedders-Airwell units use these styles.

  • Style 1: EW020144126H

  • Style 2:  02J-60002

  • Style 3:  AS298488006X

  • Style 4:  ARM75812

  • Style 5:  12345AN

Style 1:   EW020144126H

Week of manufacture is 3rd-4th characters
Year of manufacture is 5th-6th characters

Style 2:   02J-60002

Year of manufacture is 1st-2nd characters
Month of manufacture is 3rd character (see chart)

Style 3:   AS298488006X

Month of manufacture is 1st character (see chart)
Year of manufacture is 2nd characters (see chart)

Style 4:   ARM75812

Month of manufacture is 1st character (see chart)
Year of manufacture is 2nd characters (see chart)

Style 5:   12345AN

Month of manufacture is 2nd to last character (see chart)
Year of manufacture is last character (see chart)


Page last updated: 7/27/2017

Contacting FEDDERS
2500 City West Blvd #300
Houston, TX 77042

Phone: (609) 662-5300
Web: www.fedders.com

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