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Lennox International LII Operating margin

Operating margin at other companies

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Trane TechnologiesTT
18.2%0.0pp
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Carrier GlobalCARR
8.2%-4.7pp
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nVent Electric plcNVT
15.8%-1.3pp
Ferguson Enterprises logo
Ferguson EnterprisesFERG
8.7%-0.1pp
Comfort Systems USA logo
Comfort Systems USAFIX
13.4%+3.5pp
EMCOR Group logo
EMCOR GroupEME
10.1%+0.8pp

Other financials

Income statement

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Revenue$1.1B+5.8%
Gross profit$351.3M+3.1%
Operating income$163.5M-2.7%
Net income$117.2M-9.6%
EPS (diluted)$3.35-7.7%

Balance sheet

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Cash & equivalents$48.2M-77.8%
Total debt$1.7B+7.6%
Total assets$4.3B+24.2%

Cash flow

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Operating cash flow$16.1M+145%
CapEx$55.5M+118%
Free cash flow-$39.4M+35.7%

Valuation

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Market cap$17.96B-19.0%
Enterprise value$19.57B-16.5%
P/E22.6×-4.5×
P/S3.4×-0.7×

Profitability

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Gross margin33.2%+0.1pp
Net margin15.1%-0.1pp

Returns & leverage

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Return on equity75.8%-43.9pp
Debt / equity1.4×-0.2×
Current ratio1.6×+0.1×

Where this comes from

Calculated from Lennox International’s reported figures.

Based on trailing twelve months.

The official record: Lennox International’s 10-Q, filed April 29, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Lennox International's operating margin?
Lennox International (LII) reported operating margin of 19.7% in Q1 2026.
How has Lennox International's operating margin changed year-over-year?
Lennox International's operating margin increased by 1.6% year-over-year, from 19.4% to 19.7%.
What is the long-term trend for Lennox International's operating margin?
Over 4 years (2021 to 2025), Lennox International's operating margin has grown at a 7.7% compound annual growth rate (CAGR), from 59.2% to 79.7%.
What does operating margin mean?
The profit left from core operations for every dollar of sales, before interest and taxes.
How do you interpret operating margin?
Expanding operating margin shows operating leverage — revenue growing faster than the cost base. Compression points to rising overhead, pricing pressure, or investment ahead of revenue.
How does operating margin compare across companies?
Strong cross-company signal within a sector. Capital-light businesses sustain higher operating margins than capital-intensive ones.