How To Determine Ac Tonnage From Model Number Carrier. For carrier, you should look for the 7th and 8th digits, or maybe 8th and 9th digits, of the model number. Divide the answer by 1000.

Look for the 7th and 8th digits, or maybe 8th and 9th digits, of the model number. Simply divide the btus by 12,000 to calculate the tonnage of your unit. The easiest place to look is on the ac unit itself.

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The Model Number Is Where You Can Find The Size Of Ac You’re Looking For.

Finding the model number off of your carrier air conditioner can be very simple if you have a new unit. Furthermore, where is the serial number on a carrier air conditioner? Just like any other air conditioner manufacturer, carrier made their model and serial number easy.

Go Outside To The Condensing Unit And Look For A Data Plate Mounted To The Side.

You have a 3.5 ton ac unit. Some manufacturers bury tonnage or btu information in their model numbers. These are reflected in the model numbers near the middle and often followed by a letter.

Look At The Model Number (Located On The Data Plate Stamped On The Actual Side Of The Compressor) On The Compressor And There Should Be A Number Divisible By 12.

The good news is that most hvac manufacturers make it easy to determine the nominal capacity of your air conditioner. Instead of learning the tricks of the trade, learn the trade. Refer to the manufacturer’s website for their hvac nomenclature of the model number and serial numbers and how those numbers correspond to the tonnage and other technical data.

You Will Need To Take The Number Of Btus Listed On Your Unit And Divide It By 12,000 To Determine The Ac Tonnage.

Determine the nominal size from the model number. Up near the top of the label, you’ll see the model number (m/n) and serial number (s/n). Look for the 7th and 8th digits, or maybe 8th and 9th digits, of the model number.

Go Outside And Find The Outdoor Unit, That Metal Noisemaker Hidden Away On The Side Or The Back Of The House.

Divide the answer by 1000. Below you will find a partial explanation of the alphanumeric identification code (aka model number nomenclature). For carrier furnace, the model number is listed on a rating plate inside the furnace.