Joseph is an HVAC technician and a hobbyist blogger. He’s been working as an HVAC technician for almost 13 years, and he started blogging just...Read more

If you need to determine the approximate tonnage of an air conditioner from its model number, here is a quick guide. First, find the model number on the unit. It should be on a sticker or plate somewhere on the front or side of the AC.

Once you have the model number, locate the first two digits. These digits will tell you the approximate tonnage of the unit. For example, if the model number starts with 24, the AC is approximately 2 tons.

If the model number starts with 36, the AC is approximately 3 tons, and so on.
Keep in mind that this is just a rough estimate, and the actual tonnage may be slightly different. However, this method should give you a general idea of what size unit you have.

- Look up the specific model number in a product catalog or on the manufacturer’s website
- Find the dimensions of the unit in the product catalog or on the manufacturer’s website
- Convert the dimensions of the unit into cubic feet
- Multiply the cubic feet by the industry standard of 15 pounds per cubic foot to determine the approximate tonnage of the unit

## air conditioner tonnage calculation : how to find air conditioner size

## How to determine ac tonnage from model number carrier

If you need to know how much air conditioning your home or office needs, you can determine the approximate size (in tons) of the unit you will need by using the Carrier model number of the unit. This number is usually stamped on the side of the unit’s condensing unit (the large box-like unit that sits outside).
Carrier model numbers are divided into 4 sections and look like this:

39ED24P3X
The first two numbers (39 in this example) indicate the approximate unit size in tons. In this example, the unit would be about 3 tons.

The next two numbers (ED in this example) are letters that indicate the type of unit.
The last four numbers (24P3X in this example) are the unit’s identification numbers.

## How do I find tonnage of my AC based on model number?

If you need to find the tonnage of your AC based on the model number, there are a few steps you can follow. First, find the model number on the AC unit itself. This should be located on a label on the front or side of the unit.

Once you have the model number, you can use an online search engine to find the specific tonnage of that model number.
To make things easier, we’ve compiled a list of AC unit model numbers and their corresponding tonnages.
AC Unit Model Number Tonnage

4TTR3030D1000A 4
4TWR4048D1000A 4
4TWR4060D1000A 4

4TWR4072D1000A 4
4TWR5036D1000A 5
4TWR5048D1000A 5

4TWR5060D1000A 5

## How do I know if my AC is 1.5 ton or 1 ton?

There are a few ways to measure the size or capacity of your AC unit. The most common way is by tonnage. One ton of cooling capacity is equivalent to 12,000 BTUs per hour.

So, if your AC unit is 1.5 ton, that means it has the capacity to cool 18,000 BTUs per hour.
Another way to measure the size or capacity of your AC unit is by square footage. This is the method that most AC contractors use.

They will take the square footage of your home and multiply it by 25 BTUs. So, if your home is 1,000 square feet, your AC unit would need to be 25,000 BTUs.
The last way to measure the size or capacity of your AC unit is by the number of rooms.

This method is not as accurate as the other two, but it will give you a general idea.

## How do I read my AC model number?

If you’re like most people, you probably don’t think much about your air conditioner model number. After all, it’s just a string of numbers and letters, right? But did you know that this seemingly innocuous piece of information can actually tell you a lot about your AC unit?

For example, did you know that the first two digits of your AC model number represent the year it was manufactured? So, if you see a model number that starts with “18,” you know that your unit was made in 2018.
The next two digits usually represent the month, so “1804” would indicate that your unit was made in April 2018.

After that, there’s usually a letter that denotes the specific AC unit model.
So, what does all this mean for you? Well, if you’re looking to buy a new AC unit, you can use this information to help you choose a unit that’s the right age and model for your needs.

## What does AC model number mean?

The AC model number is the identifier for a specific type of air conditioner. The model number is typically printed on the front or back of the unit. The first two digits of the model number identify the year the unit was manufactured, while the last two digits identify the month.

For example, a unit with the model number 12AC would have been manufactured in 2012.

## Conclusion

If you need to know how to determine the AC tonnage from the model number, there are a few steps you can follow. First, find the model number on the unit. Next, locate the tonnage information.

This will be in the same place as the model number. The tonnage will be listed as a number followed by the letter “T.” For example, if the model number is 24ACB7, the tonnage would be 7T.

Joseph is an HVAC technician and a hobbyist blogger. He’s been working as an HVAC technician for almost 13 years, and he started blogging just a couple of years ago. Joseph loves to talk about HVAC devices, their uses, maintenance, installation, fixing, and different problems people face with their HVAC devices. He created Hvacbuster to share his knowledge and decade of experiences with people who don’t have any prior knowledge about these devices.

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