Table of Contents

## How do I read my YORK serial number?

The second style of serial numbers are for York AC units that were manufactured before 2004. This style of Serial Number is formatted with four letters at the beginning of the sequence. The second letter is the month of manufacture and the third letter is the year of manufacture.

**How old is my YORK by serial number?**

How can I tell the age of a York air conditioner or furnace from the serial number? For York systems manufactured from October 2004 to the present, the first and third characters in the serial number will be letters, and the second and fourth characters will be numbers that indicate the year of manufacture.

**What is the tonnage of my YORK chiller?**

Take the 4th,5th & 6th digits in the m/n and divide by 12 (12,000 btu/ton). For example: D2CG180N24046ECB would be a 15 ton unit. Take the 4th,5th & 6th digits in the m/n and divide by 12 (12,000 btu/ton).

### Where is the model number on a York furnace?

Locate the model and serial number label inside the cabinet of the furnace. The model number will be four letters, a dash, and then six more characters while the serial number is ten characters long.

**How do I tell the tonnage of my AC unit?**

Simply divide the BTUs by 12,000 to calculate the tonnage of your unit. For example, if your air conditioner is 36,000 BTUs, you have a 3-ton unit….If you find one of those numbers, chances are good it’s the unit’s BTUs:

- 018 = 18,000 BTUs = 1.5 tons.
- 024 = 24,000 BTUs = 2 tons.
- 030 = 30,000 BTUs = 2.5 tons.

**How do you read a carrier nomenclature?**

Carrier/Payne/Bryant Carrier systems made in the last 20 years or so encode the week and year of manufacture within the first 4 digits. The first 2 are the week of the year (1-52) and the second are the year. For example 0199 would mean the system was made the first week of January in 1999.

## How do I find out what year my HVAC is?

Check the upper-right hand corner of the nameplate for the unit’s manufacture date. If the manufacture date is not visible on the condenser, you can always locate the brand, model and serial number on the plate, which will help to determine the age of the unit.

**How do you tell the tonnage of a chiller?**

Calculate tons of cooling capacity Tons = BTU/hr. ÷ 12,000. Oversize the chiller by 20% Ideal Size in Tons = Tons x 1.2.

**How do you determine tonnage?**

Simply divide the BTUs by 12,000 to calculate the tonnage of your unit. For example, if your air conditioner is 36,000 BTUs, you have a 3-ton unit. Some manufacturers bury tonnage or BTU information in their model numbers. Look for an even, two-digit number between 18 and 60.

### How do I read my furnace model number?

You can find the model and serial numbers (M/N and S/N) for your furnace by removing the top-front service panel and looking to the left side of the interior cabinet or the top of the blower deck, depending on whether your system is an 80% or 90% AFUE unit.

**How do I know what tonnage my carrier is?**

**How do you read HVAC serial numbers?**

In the serial number, the first letter is the place of manufacturer. The first pair of numbers is the year, and the second pair of numbers is the week.

## How do you calculate tons of cooling capacity?

To estimate your AC tonnage needs, multiply the number of square feet you’re cooling times 25. This equals the total number of BTUs you need to adequately cool your space. Next, divide that number by 12,000 to determine the tonnage capability you need in your new air conditioning unit.

**How do you read a tonnage model number?**

Tonnage is a measure of BTU’s in 12,000 BTU increments. For example a 1 ton system would have 12,000 BTU’s. A 2.5 ton system would have 30,000 BTU’s. These are reflected in the model numbers near the middle and often followed by a letter.

**What is the serial number on a York car?**

The serial number (and model number) also needed when you want to check the warranty status. York serial number has sorted into two different serial numbers, the old serial number used from 1971 through 2004 and new serial number nomenclature used from 10/6/2004 through today’s.

### Does York Furnace have serial number?

York, Luxaire and Coleman are three brands owned by Johnson Controls. It makes the new York serial numbers nomenclature is identical to Luxaire and Coleman serial number as well as how to decode. York serial number can be used to identify the age of York Furnace, AC and Heat Pump. Read on to know more on how to read serial number.

**What is the serial number on a 1978 York AC unit?**

York ac unit model number CSC045R15A R22 on the outside unit, serial number has faded away, what size is this unit, please help. What is the weight of a 1978 YORK 10ton unit. Serial -# EBHP000324

**What do the numbers mean on York HVAC new serial numbers?**

York Hvac New Serial Number 1st digits X is the plant. X was made in Mexican 2nd digits B are the month. B is in February 3rd digits F are the year. F is in 1976 or 1997 4th digits M are the TYPES OF ITEM. M is Basic units 1st digits W are Manufacturing Plant.