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.
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Style 1: EW020144126H
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Style 2: 02J-60002
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Style 3: AS298488006X
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Style 4: ARM75812
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Style 5: 12345AN
Style 1: EW020144126H
Week of manufacture is 3rd-4th characters
Year of manufacture is 5th-6th characters
![](https://building-center.org/wp-content/uploads/2017/07/FEDDERS-1-Serial-Number.jpg)
![](https://building-center.org/wp-content/uploads/2017/07/FEDDERS-1-Serial-Photo.jpg)
Style 2: 02J-60002
Year of manufacture is 1st-2nd characters
Month of manufacture is 3rd character (see chart)
![](https://building-center.org/wp-content/uploads/2017/07/FEDDERS-2-Serial-Number.jpg)
Style 3: AS298488006X
Month of manufacture is 1st character (see chart)
Year of manufacture is 2nd characters (see chart)
![](https://building-center.org/wp-content/uploads/2017/07/FEDDERS-3-Serial-Number.jpg)
Style 4: ARM75812
Month of manufacture is 1st character (see chart)
Year of manufacture is 2nd characters (see chart)
![](https://building-center.org/wp-content/uploads/2017/07/FEDDERS-4-Serial-Number.jpg)
Style 5: 12345AN
Month of manufacture is 2nd to last character (see chart)
Year of manufacture is last character (see chart)
![](https://building-center.org/wp-content/uploads/2017/07/FEDDERS-5-Serial-Number.jpg)
Page last updated: 7/27/2017