There are reasons why you should know your Carrier Serial Number. It contain information in what year the unit was manufactured, as the easy way to identify the carrier ac age is due to the serial number.
Carrier Rooftop Unit Serial Number Nomenclature
Download: https://urlca.com/2vEQp5
Older Carrier units used many different styles in their serial numbers and have changed over the years. It will be a little hard to figure out exactly the carrier ac age from old carrier serial number. 2ff7e9595c
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