LII Financials Lennox International

15 years of revenue, profit, cash flow and balance-sheet history through FY2025, from SEC filings — with a computed, factual read of the trend. Updated 45 d ago Overview →

Growth & profitability

Revenue has grown 7.4% per year over the past 5 years.
Net income has grown faster than revenue (17.7% vs 7.4% per year).
Operating margin has expanded, at 20.0% in the latest year.
Free cash flow has grown 3.7% per year over the past 5 years.

Financial health

Operating income covered interest expense 25× in the latest year, up from 17× 5 years ago.

Shareholder returns

Dividends have been paid for 15 consecutive years, consuming 21.5% of earnings and 27.1% of free cash flow.
The dividend has grown 7.9% per year over the past 5 years.

Revenue & net income

RevenueNet income

Margins (gross / operating / net)

GrossOperatingNet

Return on equity & assets (ROE / ROA)

ROEROA

Free cash flow (CFO − capex)

Free cash flow

Cash vs total debt

CashTotal debt

Cash flow: operating / investing / financing

OperatingInvestingFinancing

Key annual figures

FY	Revenue	Net income	Gross M	Op M	ROE	ROA	FCF	Total debt	Cash
2025	$5.2B	$806M	33.4%	20.0%	69.3%	19.7%	$639M	—	$34M
2024	$5.3B	$811M	33.3%	19.5%	84.3%	22.4%	$782M	—	$415M
2023	$5.0B	$591M	31.1%	15.9%	150.4%	20.1%	$486M	—	$61M
2022	$4.7B	$497M	27.2%	13.9%	-244.8%	19.4%	$201M	—	$53M
2021	$4.2B	$464M	28.3%	14.1%	-172.5%	21.4%	$409M	—	$31M
2020	$3.6B	$356M	28.6%	13.2%	-2083.6%	17.5%	$534M	—	$124M
2019	$3.8B	$409M	28.4%	17.3%	-240.1%	20.1%	$291M	—	$37M
2018	$3.9B	$359M	28.6%	13.1%	-240.0%	19.8%	$400M	—	$46M
2017	$3.8B	$306M	29.3%	12.9%	610.2%	16.2%	$227M	—	$68M
2016	$3.6B	$278M	29.6%	11.8%	731.1%	15.8%	$290M	—	$50M
2015	—	$187M	—	—	183.7%	11.1%	$284M	—	$39M
2014	—	$206M	—	—	2286.7%	11.7%	$96M	—	$38M
2013	—	$172M	—	—	35.4%	10.6%	$132M	—	$38M
2012	—	$90M	—	—	18.1%	5.3%	$171M	—	$52M
2011	—	$88M	—	—	18.8%	5.2%	$35M	—	$45M

Revenue & net income

RevenueNet income

Margins (gross / operating / net)

GrossOperatingNet

Return on equity & assets (ROE / ROA)

ROEROA

Free cash flow (CFO − capex, quarterly)

Free cash flow

Cash vs total debt

CashTotal debt

Cash flow: operating / investing / financing

OperatingInvestingFinancing

Key quarterly figures

Quarter	Revenue	Net income	Gross M	Op M	ROE	ROA	FCF	Total debt	Cash
Mar '26	$1.1B	$117M	30.9%	14.4%	9.7%	2.7%	-$39M	—	$48M
Dec '25	$1.2B	$143M	32.6%	16.4%	12.3%	3.5%	$377M	—	$34M
Sep '25	$1.4B	$260M	34.1%	23.0%	24.3%	7.4%	$265M	—	$53M
Jun '25	$1.5B	$274M	34.5%	23.3%	30.4%	7.5%	$58M	—	$49M
Mar '25	$1.1B	$130M	31.8%	15.7%	13.3%	3.8%	-$61M	—	$217M
Dec '24	$1.3B	$202M	34.3%	18.6%	21.0%	5.6%	$272M	—	$415M
Sep '24	$1.5B	$239M	32.6%	20.2%	31.7%	7.2%	$411M	—	$243M
Jun '24	$1.5B	$246M	33.6%	22.1%	42.6%	7.6%	$151M	—	$48M
Mar '24	$1.0B	$124M	32.5%	15.9%	33.7%	4.2%	-$52M	—	$46M
Dec '23	$1.2B	$145M	30.7%	16.0%	36.8%	4.9%	$181M	—	$61M
Sep '23	$1.4B	$130M	31.4%	13.7%	81.8%	4.5%	$274M	—	$132M
Jun '23	$1.4B	$217M	32.4%	19.8%	347.0%	7.3%	$146M	—	$51M
Mar '23	$1.0B	$98M	29.2%	13.3%	-77.8%	3.5%	-$114M	—	$40M
Dec '22	$1.1B	$94M	26.1%	12.0%	-46.5%	3.7%	$98M	—	$53M
Sep '22	$1.2B	$142M	26.8%	14.9%	-46.5%	5.4%	$151M	—	$41M
Jun '22	$1.4B	$177M	29.1%	16.6%	-44.2%	6.7%	$76M	—	$57M
Mar '22	$1.0B	$84M	26.5%	11.0%	-20.4%	3.4%	-$124M	—	$34M
Dec '21	$965M	$84M	26.3%	10.1%	-31.1%	3.8%	$81M	—	$31M
Sep '21	$1.1B	$126M	27.9%	15.4%	-37.7%	5.9%	$199M	—	$39M
Jun '21	$1.2B	$170M	30.9%	17.4%	-79.7%	7.7%	$171M	—	$45M

Valuation over time

How the market has priced LII against its own fundamentals since 2023-03 — each month-end's share price set against the most recent annual filing, so the multiple moves as price runs ahead of (or behind) earnings. Split-adjusted.

The price-to-earnings ratio has fallen from 17.6× (Mar '23) to 16.7× (Sep '26).
The price-to-sales ratio has risen from 1.9× (Mar '23) to 2.6× (Sep '26).
The dividend yield has fallen from 1.6% (Mar '23) to 1.3% (Sep '26).

Price / earnings (P/E)

P/E

Price / sales (P/S)

P/S

Dividend yield (%)

Dividend yield %

Frequently asked questions

Is LII growing its revenue and profit?

Over the past 5 years, Lennox International's revenue has grown 7.4% per year, and net income grown 17.7% per year. These are computed facts, not advice.

How much debt does LII have?

As of FY2025, Lennox International reported — of total debt against $34M of cash; operating income covered interest expense 25×.

What is LII's profit margin?

In FY2025, gross margin was 33.4%, operating margin 20.0%, and net margin 15.5%.

What is LII's P/E ratio?

As of Sep '26, Lennox International traded at a price-to-earnings ratio of about 16.7× (market cap ÷ latest annual net income). The valuation charts above show how its P/E, P/S and dividend yield have moved with the share price. These are computed facts, not advice.

Where does this data come from?

All figures are extracted from the company’s SEC EDGAR/XBRL filings — 10-K annual reports and 10-Q quarterly reports (use the Annual / Quarterly toggle). Quarterly figures are derived from the as-filed statements (year-to-date amounts are differenced into discrete quarters). Growth rates and ratios are computed by tradmap; nothing here is investment advice.

Source: SEC EDGAR / XBRL (10-K + 10-Q filings) · prices EOD (Databento), corporate-action-adjusted · growth rates, valuation multiples & ratios computed by tradmap. Valuation uses each month-end price against the latest annual filing. Informational only — not investment advice.