Direct Answer
Lennox International reports revenue across 2 business segments in its fiscal 2025 Form 10-K. Residential Heating and Cooling is the largest, with $3.3 billion of revenue (64% of the total), followed by Commercial Heating and Cooling at $1.9 billion (36%). 93% of revenue came from the United States.
How Does Lennox International Make Money?
Residential Heating and Cooling supplies 64% of revenue, so Lennox International's results move mostly with that one business; the others matter more for diversification than for the headline number. Between fiscal 2024 and 2025, Commercial Heating and Cooling grew fastest (+5.0%) and Residential Heating and Cooling slowest (-6.5%), so the revenue mix tilts toward Commercial Heating and Cooling while that gap lasts.
| Segment | FY2025 revenue | FY2024 revenue | Share of revenue | Change |
|---|---|---|---|---|
| Residential Heating and Cooling | $3.3 billion | $3.6 billion | 64.4% | -6.5% |
| Commercial Heating and Cooling | $1.9 billion | $1.8 billion | 35.6% | 5.0% |
Where Does Lennox International's Revenue Come From?
Regions follow the definitions in the filing; most companies assign revenue by customer location.
| Region | FY2025 revenue | FY2024 revenue | Share of revenue | Change |
|---|---|---|---|---|
| United States | $4.8 billion | $5.0 billion | 92.8% | -4.0% |
| Canada | $373 million | $320 million | 7.2% | 16.9% |
What the Segment Figures Do Not Show
The rows above add up to 100% of Lennox International's reported revenue for fiscal 2025; the difference is intersegment eliminations, corporate revenue or items the company reports outside its segments. Segment definitions are management's choice and change when a company reorganizes, in which case it restates prior years in the next filing, so a multi-year comparison should use the figures from a single filing. Revenue shows where sales come from, not where profit or cash is earned: a small segment can carry most of the margin.
Where These Numbers Come From
Every figure on this page is a value Lennox International reported in the segment note and revenue disclosures of its Form 10-K filed February 17, 2026 (accession 0001069202-26-000028), read from the SEC's Financial Statement Data Sets. The prior-year column is the comparative figure from that same filing, so it reflects any restatement for a change in segments. Category names are the company's own XBRL labels, lightly reformatted for reading.
Rows that only total other rows (for example a "Products" line beside the individual products) are left out so nothing is counted twice. This page is educational and describes reported history for fiscal 2025; it is not a forecast or a recommendation.
Frequently Asked Questions
What are Lennox International's business segments?
In its fiscal 2025 Form 10-K, Lennox International reports revenue for Residential Heating and Cooling and Commercial Heating and Cooling.
Which part of Lennox International brings in the most revenue?
Residential Heating and Cooling, with $3.3 billion of revenue in fiscal 2025, or 64% of the total.
How much of Lennox International's revenue comes from outside the United States?
7% in fiscal 2025, by the geographic breakdown Lennox International reports in its Form 10-K. Companies assign revenue to regions differently (customer location, shipping address or selling entity), so check the filing's definition before comparing companies.