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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 can I tell the manufacture date of my Lennox?
The date of production/manufacture or age of Lennox® HVAC equipment can be determined from the serial number located on the data plate.
How do I decode a Lennox model number?
The series of letters and digits in the Lennox model number reflects particular information relating to the product.How to Determine Lennox AC Tonnage from Model Number? 18 = 1.5 tons. 24 = 2 tons. 30 = 2.5 tons. 36 = 3 tons. 42 = 3.5 tons. 48 = 4 tons. 60 = 5 tons.
How do you read a Lennox plate?
Lennox air conditioner serial numbers are composed of 10 characters that follow a specific pattern. That pattern is four digits, one letter, and five more digits. Using 5621M 99989 as an example, the first two digits (56) indicate which of Lennox’s several manufacturing facilities produced the unit.
How old is my furnace by serial number?
Look at the first four digits of the serial number once you find it. The first two digits can be the week of the year that the unit was manufactured, with the third and fourth number indicating the year. A serial number starting with 0193, for example, may have been made the first week of 1993.
Where is the SEER rating on a Lennox air conditioner?
How To Find The SEER Rating. Head over to your cooling system and look for a yellow and black “energyguide” sticker, which can usually be located on the side of the condenser. If this sticker is still in tact, it will tell you the Seasonal Energy Efficiency Ratio in large numbers.
What type of Lennox system do I have?
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 look up a serial number?
Android tablet Settings feature Option one: Open Settings > About Tablet > Status > Serial Number. Option two: For most products, the serial number can be viewed at the bottom of the device back cover.
What tonnage is a Lennox 411?
411 = 41,000 btu, 311 = 2 1/2 tons.
Where is the serial number on a Lennox furnace?
You can find the Lennox serial numbers and model numbers of your furnace by removing the top-front support panel. Looking to the left side of the in house cabinet or the top of the blower deck. Find the series of numbers and letter that follow the word “Serial” on that data plate.
What size is Lennox AC?
What Size Lennox AC Unit Do I Need? Central Air Conditioner Size AC Unit BTU AC Unit Only 2 Tons 24,000 BTU $2,620 2.5 Tons 30000 BTU $2,895 3 Tons 36000 BTU $2,920 3.5 Tons 42000 BTU $3,550.
How old is my AC by serial number?
The most common way to to determine the carrier ac age is through the serial number. In the above style, the determining factor is having a letter in the middle of the serial number. The first two digits are the week of manufacturer. The second set of digits are the year of manufacture.
How can I tell the year of my AC unit?
Go to the outside cabinet of the air conditioning system. You’ll find a metal nameplate attached to it containing the system’s technical specs. On most units, the nameplate is fixed to the backside of the cabinet. Near the top of the nameplate you should see the manufacturer’s date as a month and year.
Where is the serial number on an AC unit?
The model and serial number can be found on the rating plate of your air conditioner or heat pump. This is generally found slightly above the refrigerant valves on the back side of the unit.
How do you read a furnace serial number?
The serial number is made up of a letter followed by a nine-digit number. The second and third letters represent the year; the fourth and fifth numbers represent the week. There may be a date stamp to the right of the serial number. The first six digits are the Unit Identity Number.
How do I identify my furnace?
Find the removable door on the outside of your furnace that is usually lengthways along the front bottom of the unit. Open or pull off the door and look at the interior metal of the door. There should be a label here stating the furnace’s serial number.
How do I know the model number of my AC SEER?
An A/C’s SEER rating is also listed near the top of the unit’s manufacturer label, where the model and serial number are listed. Look for the beginning digits of the model number. For example, a model number that begins with 15AC means the air conditioner has a SEER rating of 15.
What is the difference between a 13 SEER and a 16 SEER?
Seer stands for seasonal energy efficiency ratio. 13 Seer is the federal minimum to be sold, is single stage, and cheaper than the higher seer conditioners. A 16 seer air conditioner is high efficiency, 2 stage so it transfers air twice as fast, and is eligible for a tax credit.
What is the difference between 13 SEER and 14 SEER?
Simply divide the old SEER number by the new SEER number in order to see what percentage of power the new unit uses in comparison to the old. Going from a 13 to 14 SEER unit saves about 7.2 percent in power costs.
