• Lennox average return on investment for 2023 was 55.55, a 19.9% decline from 2022.
• Lennox average return on investment for 2022 was 46.33, a 17.84% increase from 2021.
• Lennox average return on investment for 2021 was 56.39, a 31.84% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.