# LII Q3 2026 Earnings: Margin Squeeze Triggers Guidance Cut

Source: https://cluenex.com/learn/fundamental-analysis/residential-hvac-replacement-cycles-holding-up/
Publisher: Cluenex (https://cluenex.com)
Updated: 2026-10-31

## Short answer

Lennox reported Q3 2026 adjusted EPS of $6.84, missing Wall Street estimates of $7.42 by 7.8%, while revenue rose 10% to $1.6 billion. Management lowered full-year 2026 adjusted EPS guidance to $21.00 to $21.50 from $23.00 to $24.00 due to persistent inflation and residential margin pressure. Lennox shares fell 6.4% across the two trading days following the release.

## Key takeaways

- Adjusted diluted EPS fell 7% year over year to $6.84, missing the consensus estimate of $7.42 by 7.8%.
- Net sales rose 10% to $1.6 billion, lifted by 24% growth in commercial Building Climate Solutions.
- Home Comfort Solutions profit dropped 18% as residential margins contracted 490 basis points to 18.7% under cost inflation and price adjustments.
- Management cut full-year 2026 adjusted EPS guidance to between $21.00 and $21.50, down from the earlier $23.00 to $24.00 range.
- Lennox shares dropped 6.4% over two days after the announcement, closing at $348.12 on October 29, 2026.

## What Lennox reported

Lennox International reported third-quarter 2026 net sales of $1.57 billion (rounded to $1.6 billion in reported highlights), an increase of 10% compared to $1.43 billion in the prior-year period. Revenue growth was led by commercial demand and acquisitions, while consolidated profitability contracted across key metrics.

GAAP operating income was $312.1 million, down 5% from $328.8 million in the third quarter of 2025. Operating margin declined 320 basis points to 19.8%. Total segment profit fell 2% to $323.3 million, and total segment margin fell 240 basis points to 20.6%.

GAAP diluted earnings per share were $6.41, compared to $7.38 in the prior-year quarter. Adjusted diluted earnings per share were $6.84, down 7% from $7.38 a year ago. Net income totaled $221.2 million, compared to $259.9 million in the third quarter of 2025, while adjusted net income was $235.9 million.

Operating performance diverged sharply across the two main business units:

- **Home Comfort Solutions:** Segment revenue rose 3% to $937.2 million from $912.9 million. However, segment profit dropped 18% to $175.7 million from $215.3 million. Segment margin fell 490 basis points to 18.7%. Profitability was weighed down by a $12 million headwind from lower sales volumes, a $32 million headwind from product cost inflation, tariffs, and lower factory absorption, and $15 million in higher fuel, distribution, and SG&A expenses. These were partially offset by $13 million in price and mix gains and $6 million from acquisitions.
- **Building Climate Solutions:** Segment revenue grew 24% to $635.3 million from $513.9 million, with organic growth of 15%. Segment profit expanded 19% to $166.5 million from $140.3 million. Segment margin contracted 110 basis points to 26.2% from record prior-year levels, reflecting $14 million in product inflation and tariffs, offset by $24 million from higher volume and $8 million from price and mix.

Cash generation remained solid. Operating cash flow reached $395.3 million for the quarter, up from $300.7 million in the prior-year quarter, helped by reduced inventory levels. Free cash flow was $362.7 million compared to $265.3 million in the prior-year period. Net capital expenditures were $33.2 million, and the company completed $151 million in share repurchases during the quarter.

Management cut its full-year 2026 adjusted EPS guidance to a range of $21.00 to $21.50, down from its prior outlook of $23.00 to $24.00. Full-year revenue growth is now projected at approximately 6%, including a 5% contribution from completed acquisitions, while free cash flow guidance was updated to $700 million to $750 million.

## How the results compared with what to watch

Ahead of earnings, investors focused on three critical issues: whether residential unit replacement volumes were stabilizing, how pricing from the Environmental Protection Agency (EPA) refrigerant transition was holding up against consumer pushback, and whether commercial momentum could offset residential profit drag.

First, residential volume declines continued to erode margins. While Home Comfort Solutions delivered 3% top-line revenue growth, the underlying volume story was weak. Lennox experienced a $12 million profit headwind directly tied to lower sales volume in residential equipment. To defend and recapture market share, the company implemented targeted price cuts in select market tiers, which compressed profitability instead of restoring unit leverage.

Second, the EPA refrigerant transition and broader input costs pressured margins more than expected. Lennox faced a $45 million consolidated headwind from product cost inflation, tariffs, and lower factory absorption (the penalty paid when fixed overhead costs are spread across fewer manufactured units). Home Comfort Solutions bore $32 million of that hit. Price and mix benefits contributed $13 million in residential and $8 million in commercial, but those increases failed to cover rising production and distribution expenses.

Third, the commercial segment delivered strong top-line growth but could not fully protect group operating income. Building Climate Solutions expanded revenue by 24% and lifted segment profit by $26 million. However, because Home Comfort Solutions accounts for roughly 60% of total revenue, its $40 million profit drop wiped out commercial gains, leaving total operating profit down 5% year over year.

| Metric | Q3 2025 | Q3 2026 | Change (YoY) |
| :--- | :--- | :--- | :--- |
| Net Sales | $1,426.8M | $1,572.5M | +10.2% |
| Operating Income | $328.8M | $312.1M | -5.1% |
| Operating Margin | 23.0% | 19.8% | -320 bps |
| Home Comfort Solutions Revenue | $912.9M | $937.2M | +2.7% |
| Home Comfort Solutions Profit | $215.3M | $175.7M | -18.4% |
| Building Climate Solutions Revenue | $513.9M | $635.3M | +23.6% |
| Building Climate Solutions Profit | $140.3M | $166.5M | +18.7% |
| Adjusted Diluted EPS | $7.38 | $6.84 | -7.3% |
| Free Cash Flow | $265.3M | $362.7M | +36.7% |

For broader context, across the Industrials sector, the average operating margin sits at 14.7% (Cluenex data, https://cluenex.com/learn/data/sector-benchmarks/), average revenue growth is 4.8% (Cluenex data, https://cluenex.com/learn/data/sector-benchmarks/), and the benchmark price-to-earnings multiple is 27.0x (Cluenex data, https://cluenex.com/learn/data/sector-benchmarks/). Lennox maintains operating margins above sector averages, but the pace of margin erosion alarmed investors.

## What it means for the next quarter

The full-year guidance revision signals that residential headwinds will persist through the fourth quarter of 2026. By lowering its adjusted EPS outlook from $23.00 to $24.00 down to $21.00 to $21.50, management acknowledged that cost recovery through price adjustments is taking longer than planned.

Lennox is now responding with three specific operational shifts:

1. **Accelerating productivity programs:** Management stated it is overhauling internal pricing workflows to pass cost increases through dealer channels more rapidly.
2. **Targeting entry-tier residential systems:** To combat consumer trade-downs and deferred equipment upgrades, Lennox is launching redesigned entry-tier products to protect market share without sacrificing higher-tier margins.
3. **Relying on commercial project backlogs:** Building Climate Solutions remains the primary earnings engine heading into year-end, with management continuing to expect full-year margin expansion in commercial HVAC despite tariff pressures.

When tracking how companies reset targets after a miss, reviewing the structure of [revenue guidance](/learn/fundamental-analysis/revenue-guidance/) clarifies whether future earnings depend on organic volume recovery or simply on acquisition rollover.

## Where the replacement cycle thesis falls short

The assumption that homeowners can delay replacing aging HVAC equipment indefinitely has mechanical limits. When central air conditioners and heat pumps experience catastrophic compressor burnout or cracked heat exchangers during peak seasonal weather, emergency replacements occur regardless of mortgage rates or equipment pricing.

However, the Q3 results demonstrate that homeowners have greater short-term flexibility to patch equipment than equipment makers anticipated. High interest rates on personal loans and home equity lines of credit continue to encourage component-level repairs over whole-system replacements. In addition, when manufacturers implement selective price adjustments to win back contractor accounts, pricing power temporarily softens, as seen in Lennox's 490 basis point drop in residential margins.

Investors can check the latest operational scores, financial health metrics, and historical ratings on the free [Lennox stock page](/stocks/lii) on Cluenex.

## What this means for you

If you own Lennox shares or follow housing-sensitive industrial stocks, these results show how inflation and consumer deferrals filter into corporate bottom lines. Consider three practical steps:

First, distinguish between top-line revenue and margin quality. Lennox grew quarterly revenue by 10%, but operating income fell because input costs and price concessions outpaced sales gains. Tracking [gross, operating, and net margin](/learn/fundamental-analysis/gross-operating-net-margin/) trends reveals whether sales growth actually creates shareholder value.

Second, recognize the lag in interest rate sensitivity. Even if borrowing rates stabilize, residential HVAC demand requires time to recover as dealers work through existing inventory and consumers regain discretionary confidence.

Third, review position sizing. Industrial equipment makers facing guidance reductions and cyclical downturns can experience sharp price swings, as seen in Lennox's 6.4% drop over two days following the release. Maintaining disciplined [position sizing](/learn/portfolio-management/position-sizing/) keeps single-stock earnings surprises from disrupting your overall long-term portfolio plan.

## Questions people ask

### Did Lennox beat earnings in Q3 2026?

No, Lennox missed earnings expectations for Q3 2026. The company reported adjusted diluted earnings per share of $6.84, which fell 7.8% short of the consensus estimate of $7.42.

### How did LII stock react to earnings?

Lennox stock fell 6.4% over the two trading days following the release, declining from $372.05 at the close on October 27, 2026, to $348.12 on October 29, 2026.

### Why did Lennox cut its full-year 2026 earnings guidance?

Management lowered its adjusted EPS guidance to $21.00 to $21.50 from $23.00 to $24.00 due to persistent product cost inflation, tariffs, and residential margin pressure from targeted price adjustments.

### How did Lennox's residential segment perform in Q3 2026?

Home Comfort Solutions net sales rose 3% to $937.2 million, but segment profit fell 18% to $175.7 million and segment margins dropped 490 basis points to 18.7% due to lower volumes and higher costs.

### Did Lennox commercial HVAC sales grow during the third quarter?

Yes, Building Climate Solutions revenue grew 24% to $635.3 million, including 15% organic growth, while segment profit increased 19% to $166.5 million.

## Sources

- [Lennox Reports 2026 Third Quarter Earnings Results (Form 8-K Exhibit 99.1)](https://www.sec.gov/Archives/edgar/data/1069202/000106920226000094/lii-20260930xexx991pressre.htm)
- [Technology Transitions Restrictions by Sector - U.S. Environmental Protection Agency](https://www.epa.gov/climate-hfcs-reduction/technology-transitions)
- [Lennox International Investor Relations](https://investor.lennox.com)

Cite as: Cluenex. "LII Q3 2026 Earnings: Margin Squeeze Triggers Guidance Cut." Cluenex Learn, updated Oct 31, 2026. https://cluenex.com/learn/fundamental-analysis/residential-hvac-replacement-cycles-holding-up/