How to Read Frigidaire Serial Numbers for ACs

Make note of the first four numbers, which is the year the air conditioner was made.

Note the next four numbers, which are the month and week when the air conditioner was produced.

Note the next two numbers, which are the numerical day of the week when it was made.

Make note of the last several digits, which denote the Frigidaire manufacturing plant number, as well as the sequential number. The company has several manufacturing plants in the United States and in Canada, including plants in Ohio, Wisconsin, New Jersey and Iowa.

Keep this information written down in an easy-to-access location for reference as needed.