   # How To Determine Ac Tonnage From Model Number Carrier How To Determine Ac Tonnage From Model Number Carrier. The model number is where you can find the size of ac you’re looking for. To calculate, multiply the length and breadth.

One btu is equivalent to the heat generated by a. Below you will find a partial explanation of the alphanumeric identification code (aka model number nomenclature). The first letter lands those in the 70's, the number following is the exact year.

### Air Conditioner Tonnage Can Be Found On A Data Plaque Mounted To The Side Of The Unit.

Next, look for the model number or m/n box on the label. If you are not sure, it can be found in the sales contract. To find the tonnage of an a/c unit, start by looking on the label located on the condenser cabinet.

### Btu Rating Is Model Number.i.e.

To determine ac tonnage from the model number is a breeze. Up near the top of the label, you’ll see the model number (m/n) and serial number (s/n). Simply divide it by 12000, and you’ll have your ac tonnage.

### Ac Capacity (Tonnage) = (Insert Area In Sq Ft) * 0.0016 Tons/Sq Ft.

For example, if your air conditioning unit lists 48,000 btus, divide that by 12,000, and you get 4. How do you tell the tonnage of a model. 1 ton or 12,000 btu.