• Lennox average operating margin for 2024 was 17.96%, a 18.47% increase from 2023.
• Lennox average operating margin for 2023 was 15.16%, a 10.42% increase from 2022.
• Lennox average operating margin for 2022 was 13.73%, a 7.23% increase from 2021.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.