How do I read my Carrier air conditioner model number?
William Smith
Updated on April 02, 2026
Look for the 7th and 8th digits, or maybe 8th and 9th digits, of the model number. It will be a number divisible by 6 or 12, and represents the nominal BTU of the system in thousands. A ton of air conditioning equals 12,000 BTU, and 48 divided by 12 equals 4, so the data plate below indicates the system is 4 tons.
How do you decode a carrier model number?
Carrier/Payne/Bryant Carrier systems made in the last 20 years or so encode the week and year of manufacture within the first 4 digits. The first 2 are the week of the year (1-52) and the second are the year. For example 0199 would mean the system was made the first week of January in 1999.
What ton is my Carrier AC unit?
Simply divide the BTUs by 12,000 to calculate the tonnage of your unit. For example, if your air conditioner is 36,000 BTUs, you have a 3-ton unit. Some manufacturers bury tonnage or BTU information in their model numbers. Look for an even, two-digit number between 18 and 60.
How do you read a carrier model number?
The most common way to to determine the carrier ac age is through the serial number. In the above style, the determining factor is having a letter in the middle of the serial number. The first two digits are the week of manufacturer. The second set of digits are the year of manufacture.
How can you tell how old your AC unit is?
Check the upper-right hand corner of the nameplate for the unit’s manufacture date. 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 do I read carrier serial?
How do I find the SEER rating on my AC unit?
How To Find The SEER Rating. Head over to your cooling system and look for a yellow and black “energyguide” sticker, which can usually be located on the side of the condenser. If this sticker is still in tact, it will tell you the Seasonal Energy Efficiency Ratio in large numbers.
How do you determine AC tonnage?
First, find out your the area of you room. Then divide it by 600 to get the basic capacity. So, if you room is 100 sq. feet, the basic AC capacity required will be 0.167 tons (100 / 600).
Is carrier AC good?
Answer Wiki. So, to answer the question, yes, Carrier is a good air conditioner brand. Having said that, I would like to state that just the brand value or the ranking of the air conditioner manufacturers should not deceive you, as the manufacturers do not make all the products of their lineup equally well.
What is the warranty on carrier air conditioner?
To obtain warranty service for a Carrier air conditioner, it is necessary to contact the original installer or a local Carrier dealer.All Carrier ductless split system air conditioners are covered by a five-year limited parts warranty and a seven-year compressor warranty when used in owner-occupied residential applications.
How many tons is a carrier AC unit model?
How do you find the tonnage of a Carrier AC unit? The possibilities on residential units range from 18 to 60 . Divide the number by 12 (which represents 12,000 Btu/hr, or one ton of cooling capacity) to get your AC unit’s tonnage.
What is the seer for the carrier air conditioner?
The energy efficiency of appliances and air conditioners is measured in a ratio between the watts required to run the unit and the BTU output of the system. This ratio is known as the Seasonal Energy Efficiency Ratio, or SEER.