Trane : Typically has the year of manufacturing printed elsewhere on the data tag The third and fourth numbers indicate the week of the year it was manufactured. Goodman : The first two numbers in the serial number indicate the year of manufacturing. The third and fourth numbers indicate the year of manufacturing. Most manufacturers don’t publish the nomenclature for serial numbers because it’s mostly used for warehouse and warranty tracking, but a few helpful tips per manufacturer are:Ĭarrier : The first two numbers in the serial number indicate the week of the year the equipment was manufactured.

Serial numbers, too, contain valuable information. Understanding the importance of the information in model numbers is essential and can save a lot of time in diagnosis and installation. Across the manufacturers listed as examples, we can find information about product series, type of equipment, SEER, cooling/heating capacity, grille variations, voltage, configuration, cabinet dimensions, type of motor, airflow capacity, refrigerant type, efficiency, etc. Now, let’s take a look at all the different information these model numbers can give us.

Let’s take a look at several different examples. So, how do we make sense of these seemingly random sequences of alphabetical/numerical characters? All manufacturers have developed their own unique “languages” of sorts when it comes to their equipment.

Lots of initial upfront information is handed to the technician by the manufacturer the moment the technician reads the nomenclature in the model and serial numbers. Nomenclature on HVAC/R equipment is a sequence of numbers and letters a manufacturer uses to speak directly to the technician.

Rheem serial numbers nomenclature hvac