How can I tell how old my Lennox furnace is?
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 you read a Lennox furnace 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 find out what year my furnace is?
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.
How long does Lennox furnace last?
around 15 to 20 years
Air conditioners and heat pumps last an average of 10 to 12 years, while furnaces have a life span of around 15 to 20 years, although a number of factors, including previous maintenance and the climate you live in may impact your system’s life span.
What do the numbers on a furnace mean?
The numbers you see like 80% and 90% are the efficiency. The 80% furnace is initially cheaper to purchase. The 80% means that 80% of the heat generated by the burnt fuel is used and the other 20% is wasted. It is not as efficient as the other models that have a higher number.
How much does a Lennox furnace cost?
An installed Lennox furnace cost is $3,250 to $11,650. Lennox makes the largest selection of any major brand – and the average cost of a Lennox furnace installed is around $7,000.
How long should a Lennox gas furnace last?
How many BTU is my Lennox furnace?
You can determine the size in tons of your Lennox HVAC system by examining the model number on the data sticker at the side of the a/c condenser (outdoor unit). 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.
What model is my Lennox furnace?
The model and serial numbers for your cooling system can be found on the nameplate or sticker, located near the service panel. The nomenclature sticker should have a white background with black letters.