How do you read lennox model number?

To read a Lennox model number, start by identifying the first letter, which indicates the product type (e.g., "G" for gas furnaces). The following numbers often denote the series or model specifics, while additional letters may indicate features or configurations, such as efficiency ratings. It’s helpful to refer to Lennox's product documentation for detailed explanations of each component of the model number. This information can guide you in understanding the unit's capacity, design, and specifications.