## How do I read my Lennox 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.

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

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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.

**How do you read a Lennox age?**

We’ve done the research to give you an answer.

- To find out the age of your Lennox air conditioner, you should follow these three steps:
- Style 1 consists of ten digits. The first four digits are numerical.
- Style 2 consists of nine digits.
- Style 3 consists of ten digits.
- Style 4 consists of ten digits.

### How do I tell what year my Lennox unit is?

Answer: For most Lennox equipment, the third and fourth characters of the serial number are numbers, and they indicate the year. For example, 94 is 1994 and 08 is 2008. The fifth character is a letter that corresponds to a month – A is January, for example.

**What model Lennox furnace 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 long do Lennox furnaces 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 model of Lennox furnace do I have?

**How can I tell the tonnage of my AC?**

First, find out your the area of you room. Then divide it by 600 to get the basic capacity. So, if you room is 100 sq. feet, the basic AC capacity required will be 0.167 tons (100 / 600).

**Can a 1.5 ton AC cool two rooms?**

1.5 Ton Window AC has to work more for 2 rooms. Cost part will be of 1 AC but time taken to cool the 2 rooms will be more. However O General is much efficient than other ACs . It will serve the purpose better than any other AC.

## What SEER AC do I need?

If you’re shopping for a new air conditioner, you may be wondering if you should go with a 14-SEER system (the minimum requirement in our area), or a more energy-efficient system (16+ SEER). Generally speaking, we recommend going with a 16-SEER AC over a 14-SEER AC because it will save you more money in the long run.

**How old is Lennox furnace?**

The age of a Lennox HVAC system is simple to decode. Using the third, fourth and fifth digits of the serial number 5807D13119 you will find the year and month of manufacture. The third and fourth digits are the year and the fifth digit is the month expressed in letter format.

**What is the cost of a new Lennox furnace?**

The average Lennox gas furnace cost can range from $2,470 to $3,895 in total installation costs. The cost to install a Lennox furnace ranges by model type, the average homeowner with an 1,800 square foot home could expect to pay around $3,600 to install a gas furnace.