Lennox International Inc. (LII) - Q2 2026 10-Q Summary
Business Context and Reporting Period
This filing covers the quarterly period ended June 30, 2026. Lennox International Inc. operates in two primary segments: Home Comfort Solutions (residential HVACR) and Building Climate Solutions (commercial HVACR and refrigeration). The company is a large accelerated filer incorporated in Delaware. As of July 22, 2026, there were 34,560,675 shares of common stock outstanding.
Key Financial Metrics
| Metric | Q2 2026 | Q2 2025 | YTD 2026 | YTD 2025 |
|---|---|---|---|---|
| Net Sales | $1,545.3M | $1,500.9M | $2,680.4M | $2,573.5M |
| Gross Profit | $539.5M | $517.5M | $890.8M | $858.4M |
| Gross Margin | 34.9% | 34.5% | 33.2% | 33.4% |
| Operating Income | $355.0M | $349.0M | $518.5M | $517.0M |
| Net Income | $269.0M | $273.9M | $386.2M | $403.5M |
| Diluted EPS | $7.72 | $7.71 | $11.06 | $11.34 |
| Operating Cash Flow (YTD) | $188.1M (vs. $51.0M YTD 2025) | |||
| Total Debt | $1,581.3M (as of June 30, 2026) | |||
| Cash & Equivalents | $51.5M (as of June 30, 2026) |
Material Changes vs. Prior Period
- Revenue Mix: Consolidated net sales increased 3% in Q2 and 4% YTD. This growth was driven by the Building Climate Solutions segment (up 24% in Q2, 30% YTD) due to volume increases and acquisitions, which offset a decline in the Home Comfort Solutions segment (down 7% in Q2, 8% YTD) due to market softness and lower volumes.
- Profitability: Operating income increased slightly in Q2 ($6M) and YTD ($1.5M). Gross margins improved 40 bps in Q2 to 34.9% but declined 20 bps YTD to 33.2% due to higher product costs and freight inflation, partially offset by favorable mix and price.
- Interest Expense: Net interest expense rose significantly to $14.7M in Q2 (from $8.3M) and $29.9M YTD (from $14.5M) due to increased commercial paper borrowings and a new $300M term loan entered in October 2025.
- Cash Flow: Operating cash flow improved dramatically to $188.1M YTD 2026 compared to $51.0M in 2025, primarily due to favorable working capital changes.
Guidance, Outlook, Risks, and Unusual Items
- Acquisitions: The company completed the acquisition of Heat Controller on July 13, 2026, for approximately $205 million. Results will be included starting Q3 2026. The company also finalized purchase price adjustments for the Duro Dyne and Supco acquisition, increasing goodwill by $6.5 million.
- Tariffs and Trade: The company is evaluating the impact of evolving U.S. tariff measures, including Section 232 tariffs on steel/copper/aluminum and new Section 301 forced labor tariffs. The company received approximately $30 million in tariff refunds YTD.
- Legal Proceedings: Lennox is a defendant in a consolidated antitrust class action lawsuit alleging price-fixing in the HVAC equipment market. The company disputes the allegations and cannot currently estimate potential losses, though an adverse outcome could be material.
- Capital Allocation: The company returned $91 million to shareholders via dividends and repurchased $151 million of common stock YTD. Approximately $857.7 million remains available under the share repurchase program.
- Liquidity: The company maintains a $1.0 billion revolving credit facility (with $586.3M available) and a $500 million commercial paper program ($412.0M outstanding). Credit ratings remain investment grade (Baa1/BBB).
Investor Verification Checklist
- Antitrust Litigation Exposure: Verify the status and potential financial impact of the In re HVAC Equipment Antitrust Litigation filed in March 2026.
- Home Comfort Volume Trends: Monitor the severity and duration of the volume decline in the residential segment, which is currently facing market softness.
- Tariff Impact Realization: Assess the net impact of new Section 301 tariffs and the sustainability of the $30 million in tariff refunds received YTD.
- Integration of Heat Controller: Track the financial contribution of the July 2026 Heat Controller acquisition in upcoming quarters.
- Debt Service Costs: Review the trajectory of interest expenses given the increased leverage from the term loan and commercial paper usage.