Divide the number by 12 (which represents 12,000 Btu/hr, or one ton of cooling capacity) to get your AC unit's tonnage. The possibilities on residential units range from 18 to 60. Within this string of letters and numerals, you should find an even, two-digit number. How do you find the tonnage of a Carrier package unit?įind the model number. If the manufacture date is not visible on the condenser, you can always locate the brand, model and serial number on the plate, which will help to determine the age of the unit. How old is my air conditioner by serial number?Ĭheck the upper-right hand corner of the nameplate for the unit's manufacture date. Remove the furnace front door then look at the upper-left side of the unit. How do I read my Carrier HVAC model number?įor Carrier furnace, the model number is listed on a rating plate inside the furnace. For Example, Model No.: NAC042AKA5, SN: E031136011 was Manufactured in 2003, Week 11. The first pair of numbers is the year, and the second pair of numbers is the week. In the serial number, the first letter is the place of manufacturer. How do I read the serial number on my AC unit?
#CARRIER SERIAL NUMBER IDENTIFICATION SERIES#
Look on the back of your unit, and you'll find the model number listed on a silver series rating-plate located above the service valve connections.
#CARRIER SERIAL NUMBER IDENTIFICATION SERIAL NUMBERS#
Goodman: Goodman serial numbers are 10 digit … How do I read Carrier package unit model number?
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