Commercial Heating & Cooling was Lennox International’s largest segment in fiscal 2025, bringing in $1.85B of $2.10B (88%).
| Segment | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Residential Heating & Cooling | $2.96B | $3.00B | $3.35B | $246.00M | ||||||||||||
| Commercial Heating & Cooling | $1.22B | $1.42B | $1.68B | $1.85B | ||||||||||||
| International | — | — | — | — | ||||||||||||
| Service Experts | — | — | — | — | ||||||||||||
| Refrigeration | $233.70M | $247.60M | — | — | ||||||||||||
| Corporate & Other | — | — | — | — | ||||||||||||
| Canada | — | — | — | — | ||||||||||||
| Business Intersegment, Eliminations | — | — | — | — | ||||||||||||
| Total | $4.41B | $4.66B | $5.02B | $2.10B |
Lennox International brought in $2.10B from its two segments in fiscal 2025, the year ended December 31, 2025. That is less than the $3.72B it reports by geography, so these segments do not cover all of its revenue. Commercial Heating & Cooling was the largest at $1.85B (88.3%), ahead of Residential Heating & Cooling at $246.00M (11.7%).
Compared with fiscal 2024, Commercial Heating & Cooling grew 10.5% to $1.85B, while Residential Heating & Cooling fell 92.6% to $246.00M.
Lennox International stopped reporting Refrigeration as a separate segment after fiscal 2023, when it brought in $247.60M.
United States was Lennox International’s largest region in fiscal 2025, bringing in $3.10B of $3.72B (83%).
| Geography | FY 2009 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|
| United States | $2.96B | $3.00B | $3.35B | $3.10B | |||||
| Canada | $241.20M | $221.60M | $231.10M | $619.40M | |||||
| Ca | — | — | — | — | |||||
| International | $233.70M | $247.60M | — | — | |||||
| Total | $3.43B | $3.47B | $3.58B | $3.72B |
Lennox International brought in $3.72B from its two regions in fiscal 2025, the year ended December 31, 2025. That was up 3.9% from $3.58B in fiscal 2024. United States was the largest at $3.10B (83.3%), ahead of Canada at $619.40M (16.7%).
Compared with fiscal 2024, Canada grew 168.0% to $619.40M, while United States fell 7.4% to $3.10B.
Lennox International stopped reporting International as a separate region after fiscal 2023, when it brought in $247.60M.
Guarantor Subsidiaries was Lennox International’s largest revenue line in fiscal 2013, bringing in $2.56B of $3.20B (80%).
| Legal Entity | FY 2009 | FY 2011 | FY 2012 | FY 2013 |
|---|---|---|---|---|
| Guarantor Subsidiaries | $2.19B | $2.33B | $2.56B | |
| Non-Guarantor Subsidiaries | $850.10M | $824.00M | $837.00M | |
| Eliminations | — | — | -$195.80M | |
| Consolidation, Eliminations | -$199.30M | -$202.30M | — | |
| Total | $2.84B | $2.95B | $3.20B |
Lennox International brought in $3.20B from its three revenue lines in fiscal 2013, the year ended December 31, 2013. Lennox International regrouped these revenue lines after fiscal 2012, so the total does not compare directly with that year's $2.95B. Guarantor Subsidiaries was the largest at $2.56B (80.0%), ahead of Non-Guarantor Subsidiaries at $837.00M (26.2%).
Compared with fiscal 2012, Guarantor Subsidiaries grew 9.9% to $2.56B and Non-Guarantor Subsidiaries grew 1.6% to $837.00M.
Lennox International began breaking out Eliminations in fiscal 2013, when it brought in -$195.80M. The total is net of Eliminations, which took $195.80M off revenue in fiscal 2013.
Lennox International (LII) reports its revenue by segment, by geography and by legal entity. In fiscal 2025, Commercial Heating & Cooling was its largest segment, bringing in $1.85B (88.3% of the total), followed by Residential Heating & Cooling at $246.00M (11.7%).
Commercial Heating & Cooling was Lennox International's largest segment in fiscal 2025, bringing in $1.85B, or 88.3% of the $2.10B total across its two segments.
United States was Lennox International's largest region in fiscal 2025, bringing in $3.10B, or 83.3% of the $3.72B total across its two regions.
Guarantor Subsidiaries was Lennox International's largest revenue line in fiscal 2013, bringing in $2.56B, or 80.0% of the $3.20B total across its three revenue lines.
Commercial Heating & Cooling grew faster than Residential Heating & Cooling in fiscal 2025, up 10.5% from $1.68B to $1.85B. Residential Heating & Cooling fell 92.6% to $246.00M.
Every figure comes from Lennox International's annual financial filings, as reported. Each line keeps the name Lennox International gives it, and years follow its fiscal calendar.
Lennox International's revenue by segment goes back to fiscal 2009, with figures through fiscal 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.