Residential Heating & Cooling was Lennox International’s largest segment in fiscal 2025, bringing in $3.34B of $5.20B (64%).
| Segment | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Residential Heating & Cooling | $3.20B | $3.22B | $3.58B | $3.34B | |||||||||||||
| United States | — | — | — | — | |||||||||||||
| U.S | — | — | — | — | |||||||||||||
| Commercial Heating & Cooling | $1.29B | $1.51B | $1.76B | $1.85B | |||||||||||||
| Service Experts | — | — | — | — | |||||||||||||
| International | — | — | — | — | |||||||||||||
| Refrigeration | $233.70M | $247.60M | — | — | |||||||||||||
| Canada | — | — | — | — | |||||||||||||
| Business Intersegment, Eliminations | — | — | — | — | |||||||||||||
| Total | $4.72B | $4.98B | $5.34B | $5.20B |
Lennox International brought in $5.20B from its two segments in fiscal 2025, the year ended December 31, 2025. That was down 2.7% from $5.34B in fiscal 2024. Residential Heating & Cooling was the largest at $3.34B (64.4%), ahead of Commercial Heating & Cooling at $1.85B (35.6%).
Compared with fiscal 2024, Commercial Heating & Cooling grew 5.0% to $1.85B, while Residential Heating & Cooling fell 6.5% to $3.34B.
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 $4.82B of $5.20B (93%).
| Geography | FY 2009 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|
| United States | $4.18B | $4.42B | $5.02B | $4.82B | |||||
| Canada | $303.60M | $317.40M | $319.50M | $373.40M | |||||
| Ca | — | — | — | — | |||||
| International | $234.30M | $247.60M | — | — | |||||
| Total | $4.72B | $4.98B | $5.34B | $5.20B |
Lennox International brought in $5.20B from its two regions in fiscal 2025, the year ended December 31, 2025. That was down 2.7% from $5.34B in fiscal 2024. United States was the largest at $4.82B (92.8%), ahead of Canada at $373.40M (7.2%).
Compared with fiscal 2024, Canada grew 16.9% to $373.40M, while United States fell 4.0% to $4.82B.
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 2010 | FY 2011 | FY 2012 | FY 2013 |
|---|---|---|---|---|---|
| Guarantor Subsidiaries | $1.67B | $2.19B | $2.33B | $2.56B | |
| Non-Guarantor Subsidiaries | $1.07B | $850.10M | $824.00M | $837.00M | |
| Eliminations | — | — | — | -$195.80M | |
| Consolidation, Eliminations | -$156.50M | -$199.30M | -$202.30M | — | |
| Total | $2.59B | $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, Residential Heating & Cooling was its largest segment, bringing in $3.34B (64.4% of the total), followed by Commercial Heating & Cooling at $1.85B (35.6%).
Residential Heating & Cooling was Lennox International's largest segment in fiscal 2025, bringing in $3.34B, or 64.4% of the $5.20B total across its two segments.
United States was Lennox International's largest region in fiscal 2025, bringing in $4.82B, or 92.8% of the $5.20B 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 5.0% from $1.76B to $1.85B. Residential Heating & Cooling fell 6.5% to $3.34B.
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.