Lennox (LII) Stock May Be 44% Undervalued After Margin Pressure

Lennox International shares have slipped this year despite a solid multi year gain, which puts a spotlight on whether the current market price still lines up with the cash flows the business is expected to generate. With investors weighing recent margin pressure against earlier share price strength, the key issue is how those cash flows stack up against what the market is asking you to pay today.

• Over the past 5 years the stock has returned 29.3%, so anyone looking at Lennox now is effectively judging whether that earlier payoff still has support in the company's future cash generation.

• Recent revenue growth alongside softer profitability and lower adjusted earnings guidance can reshape expectations for future cash flows and the timing of when those flows might reach shareholders.

• What if you looked at Lennox International through its earnings instead? See what Lennox International's 16.3x P/E says about the price .

The issue now is whether Lennox International's current share price of US$372.05 is justified by the cash flows implied by a Discounted Cash Flow (DCF) view of the business.

Before deciding whether Lennox International's recent share price weakness aligns with its cash flow outlook, you may want a comparison set of 29 high quality undervalued stocks .

Does Lennox International Look Undervalued on Cash Flow?

The Discounted Cash Flow (DCF) approach values Lennox International by projecting the cash it could return to shareholders and then discounting that stream back to today. On this model, the latest twelve month free cash flow sits at about $713.3 million, with the forecast path pointing to growing annual free cash flows over the coming decade rather than a shrinking base.

Those projections imply that Lennox International would keep expanding cash generation at a measured pace, which helps explain why the DCF estimate comes out substantially above the current share price of US$372.05. The recent Q3 2026 margin pressure and lower adjusted EPS guidance help explain why the market is more cautious, even though the cash flow model still points higher, so the stock price lags what those projected dollars suggest it could be worth. Find out what Lennox International could be worth using our Discounted Cash Flow (DCF) estimate .

The Lennox International Narrative: What Would Justify Today's Price?

Narratives for Lennox International pick up where the DCF debate leaves off by spelling out which paths for revenue, margins and earnings would need to play out for the equity to be worth materially more or less than today's quote, and they sit on Simply Wall St's Community page. Instead of a single headline number, these scenarios lay out the future that figure leans on so you can watch in real time whether business results still line up with that story.