# How do you tell the tonnage of a carrier model number? – Q&A

How do you tell the tonnage of a carrier model number? – Q&A

## How do you tell the tonnage of a carrier model number?

Find the model number. Within this string of letters and numerals, you should find an even, two-digit number. 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.

How do I find the tonnage of my AC unit?

Your AC tonnage can easily be found by going outside and looking on the AC unit itself. When outside, you should see a data plaque mounted to the side of the condensing unit. Look for the model number, which is a combination of numerals and letters. Within this combination, you should find an even, two digit number.

How do I read my carrier AC model number?

Remove the front door and look inside the unit. You should see the model number printed on rating-plate or decal.

### How do you find the tonnage of a compressor?

Divide the number listed by 12,000. This will tell you how many tons your HVAC compressor is. For example, if the BTU number listed is 36,000, divide it by 12,000 and you’ll see that you have a 3 ton unit.

How do I tell how many tons my heat pump is?

In residential units, the number you’re most likely to find will fall between 18 and 60. This number represents the BTUs your unit puts out. To get the tonnage, simply divide the number by 12. If you see the number 18, for example, divide by 12 to get a rating of 1.5 tons.

How do I know what size my air conditioner is?

Calculate Size To calculate the size, simply multiply the length times the width of the room or area to be cooled. Then, as a practical number, multiply that total times 25 BTU. This allows ample cooling, whether it is a rainy, moist day or a hot, sunny, humid day.

## How many tons is a carrier air conditioner?

For Carrier, you should 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 are carrier air conditioner model numbers determined?

Each carrier air conditioner is identified by a series of numbers and/or letters that are designed to easily identifies the characteristic of the units. The one that is interested in are the carrier model number nomenclature. From these multiple-character numbers we can determine the size or tonnage of the system.

How to tell age of Train serial number unit?

If the train serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year. Trane heating and air conditioning company again made changes in year 2010. The first two digits of trane serial number lookup age are the year.

How do you tell the tonnage of a carrier model number? – Q&A

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