Locate the first two digits in the model number. They are divisible by 6 or 12, which represent the system’s nominal BTU in thousands. A ton of air conditioning is equal to 12,000 BTUs and dividing 48 by 12 is 4, so the label below says the system weighs 4 tons.
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Simply divide the BTUs by 12,000 to calculate your unit’s tonnage. For example, if your air conditioner is 36,000 BTU, 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.
The second type of serial number is for York AC units manufactured before 2004. This type 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.
The easiest place to look is on the air conditioner itself. Go outside to the condensing unit and look for a data plate on the side. Locate the model number. In this series of letters and numbers you should find an even, two-digit number.
How can I tell the age of a York air conditioner or heater by the serial number? For York systems manufactured from October 2004 to present, the first and third characters in the serial number are letters and the second and fourth characters are numbers indicating the year of manufacture.
Sometimes abbreviated as model or model number, a model number is a unique number given to each product manufactured by computer hardware manufacturers. Model numbers allow manufacturers to track each hardware device and identify or replace the correct part when needed.
First find out the square footage of your room. Then divide by 600 to get the base capacity. So if your room is 100 square feet, the required basic AC capacity is 0.167 tons (100/600).
The most common way to determine carrier capacity is by serial number. In the style above, the deciding factor is a letter in the middle of the serial number. The first two digits are the week of manufacture. The second set of digits is the year of manufacture.
In the serial number the first letter is the location of the manufacturer. The first pair of numbers is the year and the second pair of numbers is the week.
The numbers you see on residential air conditioners and heat pumps are: The 3 digits in the model number indicate the rating in thousands of BTU/hr. Since 12,000 BTU/hr equals 1 ton of air conditioning capacity, it’s easy to find out how many tons of rated capacity your air conditioner is.
How many square feet a 3 ton air conditioner will cover is also fairly easy to answer. 3 tons equals 36,000 BTU. Using the rule of thumb of 20 BTUs per square foot, you can see that a 3-ton air conditioner will cool about 1,800 square feet of space.
How to find the SEER rating. Go to your cooling system and look for a yellow and black “Energyguide” sticker, usually located on the side of the condenser. If this sticker is still intact, it will tell you the seasonal energy efficiency rate in large numbers.
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York is one of the most recognized names in the HVAC industry, manufacturing air conditioners, heat pumps, furnaces and other equipment. Reviewers say the amenities are both quality and affordable.
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