Question about Carrier 38CKC042 Air Conditioner

# WHAT TON IS MY AC UNIT

I NEED TO KNOW HOW MANY TONS MY GMC AC UNIT IS ID NUMBER IS PH030

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It's a 2 1/2 ton unit

Posted on May 19, 2009

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Posted on Jan 02, 2017

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## Related Questions:

### How to know the tons of old ac unit from the model no?

36 is equal to 36000 btu. To find the ton divide by 12000 btu. 12000 BTU is a ton of refrigeration. This is a 3 ton unit.

Jun 17, 2014 | Weather King 10AJA6001AH Air Conditioner

### I JUST NEED TO KNOW WHAT MY TONNAGE IS.

Look for your model number on your condensor, outdoor unit. Your tonnage will be towards the end of it and divisable by 6. I.E. 36=3tons or 42=3.5tons. Ac units are messured by the half ton. If you have a split system I.E. heater inside and ac outside your system will be 1 - 5 tons. If this doesn't help post your model and serial number. I can then give you tonnage, age, so forth.

May 16, 2011 | Heating & Cooling

### Need to know how many tons this AC unit is

To find out the tonnage, I would need to see the model number. If you can go to the out door unit and write down the number or look for this in the numbers and letters. There are 12,000 btu's per ton of cooling. I don't know if you have a central unit or a window unit, but look for numbers like this. 018, is a 11/2 ton, 024 a 2 ton, 030 a 21/2 ton, 036 a 3 ton, 042 a 31/2 ton, 048, a 4 ton, they don't make a 41/2 ton, and it go's to 060 a 5 ton. This is the largest for a residential that is made. From there they make units for commercial buildings that start at 71/2 tons up to 350 ton's on 10,000' warehouses for wine storage and so on. This is larger then a train box car. You may want to write this down and keep it as most people have no idea how to tell, and now you do. Please don't forget to rate me as I know you will be kind. Let me know if you need my help for any thing.
Sincerely,
Shastalaker7
A/C, Heating Contractor
,

Sep 08, 2010 | Heating & Cooling

### Does not seem to be sufficient cool for a 1600 sq ft manufactured home coming from the Coleman unit installed. Some vents more air, others less air. Unit runs without stopping ever. Can you give us some...

Hi John, depending on the size, I would need the model number from the outdoor unit if it is a split system, you should have 400 cfm per ton of cooling. If you have a 1600 SQ' home, and a 3 ton unit, 3 x 400 cfm is 1200. It would be to small. There are 12,000 B. T. U.'s of cooling per ton. 2 tons would be 24,000 b t u's. 3 tons would be 36, 000 b.t.u.'s. Also, most contractors put lever dampers in the duct work that can be adjusted. They will put a red flag where the lever is and we can adjust the flow to balance out the house. I don't know where your ducts are, under or above, but with a good light find the crawl space and check it out. Get the model number and call it in to get the tonnage or send it to me and I will tell you. It will have a 024, 030, 036, 042, or, 060 in the number, MODEL number and figure like I told you above, 12,000 per ton. 060 would be a 5 ton. This will let you know if the unit is the right size or not. Please rate me on this and I know you will be kind. Thank you John.
Sincerely,
Shastalaker7
A/C, Heating, & Refrigeration Contractor
PS CFM is cubic feet per Minute.

Aug 05, 2010 | Coleman Heating & Cooling

### Can I mix brands/tons when installing AC unit to existing coils?

First off - the 'rule of thumb' is 600' per ton of Air Conditioning. In other words your old unit is a 2 ton unit. So - 2 tons x 600' = 1200'. As you can see if you install the 2.5 ton unit - you will be installing a AC that 'could' cool a 1500 sq ft house (2.5 x 600' =1500 sq ft.). Slightly more than what you need; and the 3.5 ton unit is 'way to big,' (3.5 x 600' = 2100 sq ft.).

Note: fyi - many in the AC business will sometimes refer to tonnage in btu's, i.e. 1 ton = 12000 btu - hence a '2 ton unit' can also be referred to as a 24000 btu unit and vice versa.

So... from the above - you can easily see that "2 tons" of Air conditioning is what is required to cool the 'average' home of 1100 sq ft. "roughly speaking."

Note: it is always best to have a professional 'size' your cooling/heating needs.

One of your questions was could you 'mix tonnage?'

The answer is 'usually you don't mix the tonnage of your outside/inside units.' However, professionals sometimes do (mix the tonnage) in certain situations, and installing a 2.5 ton outside unit with an existing 2 ton inside unit is often done, however, there are some 'tech issues' here and - I would "again" recommend that you call a Service Tech to help you with the sizing/mixing of your cooling/heating needs.

hope this has helped

Jun 20, 2010 | Carrier 38CKC036 Air Conditioner

### How mant ton is this unit

I would say by your model number you have a 2 1/2 ton unit. The 30 represents tonnage. 12,000 btu's per ton, so 30 divided by 12 goes 2.5 times.36 would be 3 tons, 36 31/2 tons and so on.
Shastalaker7

Mar 26, 2010 | Heating & Cooling

### What is the size of my GE AC unit Model BGTA848RIA

according to the numbers given here you have a 4 ton a/c. Tons are measured in sections of 12. If the model has 12 in it then it is a one ton if it has 24 in the model number it's a 2 ton a 2 1/2 ton would have a 30 in the model number and so on so since the model number you have here shows it as being a 4 ton unit. Hope this helps

Dave

Oct 27, 2009 | Heating & Cooling

### Can't identify ton rating of condenser unit

the model number tells me it's a 4 ton. the 048 is what it gives it away. 1 ton is 12,000 btu's . 4 ton is equal to 48,000 btu's

May 23, 2009 | Heating & Cooling

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