If you are unable to read the Lennox model number you can look down into the condensing unit from the top to see the compressor and often use the compressor part number to determine the AC tonnage. When it comes to Lennox model number breakdown, you must be very careful.
How do I tell how many tons my Lennox air conditioner is?
For Lennox, you should look for the second cluster of 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 do I find the tonnage of my air conditioner?
You can find the tonnage of your air conditioner on a plaque mounted on the outdoor unit (condenser). Find the model number, which will consist of a combination of letters and numbers. Within the model number, there will be a two-digit, even number.
What is the year of manufacture on a Lennox air conditioner?
The last 4 are the year of manufacture and week of manufacture, respectively. For example, 1234560212 would have a year of manufacture of 2002, week 12. The air handlers and heaters for Lennox units follow the same types above for air conditioners. If you have additional questions leave them in the comments below.
How do I read a Lennox AC age number?
There are 4 different types of serial numbers to decipher the Lennox AC Age. This is the most common type. This type has 4 digits, a letter, and four other digits. The second two digits are the year and the letter is the month of manufacture. Use the table below to find the month of manufacture.
What size Lennox AC do I have?
The size of your Lennox Air Conditioner can be determined from the model number of the unit. The model number (M/N) can be located outside on the panel along with the serial number. For Example: A unit with a model number of 10ACB42-1P lists the unit's capacity that it provides to the living space.
How do I know if my AC is 1 ton or 1.5 ton?
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 I read my Lennox package unit model number?
3.1 Model Numbering Systems. ... HS26 is the Series, 060 is the Capacity, 1P (1) is the Dash Number and (P) is the Power Characteristics.GCS16 is the Series, 090 is the Cooling Capacity, 350 is the Heating Capacity, 2Y (2) is the Dash Number and (Y) is the Power Characteristics.More items...
How do you decode a Lennox serial number?
Modern Lennox system serial numbers contain 4 numbers followed by a letter. The first 2 numbers represent the factory where they were manufactured, the second 2 numbers are the year and the letter is the month where A is January, B is February, etc. An example would be 5800A12345.
How do I read my AC model number?
Look at the model number (Located on the data plate stamped on the actual side of the compressor) on the compressor and there should be a number divisible by 12. It should start at 18 and not be more than 60 for residential AC units. 18 to equal 1.5 tons and 60 to equal 5 tons of cooling.
What happens if you use 1 ton AC instead of 1.5 ton?
1 ton ACs can provide just the sufficient bit of cooling while not going too heavy with the electricity bill. While you compare 1 ton vs 1.5 ton AC, the rule of thumb is that if you have a room which is more than 200 square metres, you should be opting for an AC with a 1.5 ton capacity.
What tonnage is a Lennox 411?
41 = 3 ton in older Lennox nomenclature. 46 is 3.5 ton, 51 is 4 ton, and so on.
How many tons is a Lennox 13ACX?
13ACX Air Conditioner – 3.5 TON.
What do the numbers on air conditioner mean?
BTU ratings measure the amount of energy needed to raise the temperature of a pound of water by one degree Fahrenheit. When it comes to air conditioners, the BTU rating measures how many BTUs of heat the unit is able to remove from the air in an hour's time. This shows how effective a unit is at cooling a space.
How long should a Lennox AC unit last?
15-20 yearsThe average lifespan of your Carrier or Lennox or Trane air conditioner is between 10 and 15-years. Very few Trane, Lennox and Carrier central air conditioners go 15-20 years without needing repair, whether minor or major.
How long do AC units last?
15 to 20 yearsWhile every unit is different, and every homeowner has a different understanding of when their central air conditioner is broken beyond repair, it's fair to say that, with proper maintenance and care, you can expect a good 15 to 20 years of cooling from a new high efficiency air conditioning system.
Is Lennox a good air conditioner?
Lennox has some of the most energy efficient HVAC products on the market, making it a good choice for those concerned with saving money on their monthly utility bill. Reviewers say its units are reliable, and because the company has three tiers of products, there's a Lennox for every budget.
Why is the Lennox model number important?
The Lennox model number is an important instrument in determining the right replacement part for a specific model. All Lennox product is build with a systematic coding system for both model and serial numbers. The series of letters and digits in the Lennox model number reflects particular information relating to the product.
Why is Tonnage important?
Tonnage is most important to consumers as it can be used to determine the size of air conditioning. The size of Lennox AC unit is reflected in these model numbers. Size is very important to the proper operational status of an Air Conditioning System. If you are unable to read the Lennox model number you can look down into ...
What Is AC Tonnage, And Why Does It Matter?
AC tonnage, ton of air conditioning, or AC tons, is the size of your air conditioner. However, it does not refer to the air conditioner’s physical size but rather its cooling capacity.
Where Do I Find MY AC Tonnage?
You can find the tonnage of your air conditioner on a plaque mounted on the outdoor unit (condenser).
Why Should You Size New And Replacement Air Conditioners?
Sizing a central air conditioner or heat pump for your home is a critical step in the selection process. If it is too small, your home will never be cooled adequately, it will run constantly, your indoor air quality will suffer, and your electricity bill will skyrocket. On the flip side, an oversized AC unit presents issues too.
What Factors Determine The Size of The AC Unit To Install?
The size, or tonnage, of an AC unit is determined through various factors outlined in the Manual J Calculation (or load calculation). Alternatively, it can be estimated on square footage alone. However, unlike the load calculation, it only provides an approximation.
What Are The Negative Effects Of An Oversized AC?
Getting an oversized AC unit for your home might sound like a good idea at first. Bigger is better, right? In this case, it is not.
What Are The Negative Effects of An Undersized AC?
Like oversized AC units, undersized ones also adversely affect the home and the air conditioner itself.
1. Determine the nominal size from the model number
The good news is that most HVAC manufacturers make it easy to determine the nominal capacity of your air conditioner. It’s in the model number. Go outside and find the outdoor unit, that metal noisemaker hidden away on the side or the back of the house. It’ll look something like the one you see above, although maybe not quite so decrepit.
3. Using the AHRI Directory
This method usually gets you the same data you can get from the manufacturer because manufacturers test their equipment to AHRI standards. AHRI just makes you work a little harder to get the info sometimes. If you’ve ever used the AHRI Directory, you know how finicky it is.
If all else fails, just replace it
Now that you have all these tools at your disposal, you should be able to find the size of just about any air conditioner you happen to run into. I say “just about” because occasionally you’ll find one with a dirty nameplate and when you wipe it off to read it, there goes all the remaining print, too.
Basic Limited Warranty from Lennox
No registration required. Terms and coverage details vary according to the products you own.
COMFORT SHIELD Labor Warranty
You expect peace of mind when purchasing a Heating and Cooling system. Comfort Shield is designed to provide coverage beyond the standard manufacturer’s warranty.* Convenient and affordable plans are offered by an independent third party and can be applied to all HVAC brands. These plans are available for 3-, 5- or 10-year terms.
Type 1
This is the most common type. This type has 4 digits, a letter, and four other digits. The second two digits are the year and the letter is the month of manufacture.
Type 2
This type has 9 characters in the following order: Letter, 5 Numbers, 3 Letters. The first two digits are the year. The second to last letter is the month. Use the chart below to decode the month of manufacture.
Type 3
This type has 2 numbers, a letter, followed by 2 numbers, two letters, and three digits. The first two digits are the day, the letter is the month, and the following two numbers are the year **in reverse**. Use the chart below to find the letter’s respective month of manufacture.
Type 4
This type is all numbers. The last 4 are the year of manufacture and week of manufacture, respectively.
