LII — Lennox International Inc.

The market is bearish after Q2 2026 EPS came in flat at $7.72 and management cut FY26 EPS guidance to $23.00-$24.00. The stock fell about 21% in one session, securities class-action investigations were announced, and major sell-side firms cut targets. As of 2026-08-27, price action remains negative with the stock sitting just above its 52-week low and below all key moving averages.

Revenue growth has decelerated sharply from double-digit 2024 levels to negative prints in Q3/Q4 2025 (-4.8% and -11.2% YoY) and only a 2.96% gain in Q2 2026, partly aided by acquisitions. Q2 2026 revenue was $1,545.3M versus $1,500.9M a year earlier, but operating income was essentially flat at $355.0M and diluted EPS fell to $7.72 from $7.82. Gross margin held at roughly 34.9%, but operating margin slipped about 60 bps YoY to 23.0%. This looks like a cyclical HVAC demand trough with a weak residential market and more resilient commercial demand, not a structural collapse of the franchise.

As of 2026-08-27, LII trades at 17.6x trailing EPS and about 16.5x forward EPS ($391.15 / $23.71), versus a 5-year average P/E of 23.75x. Price-to-sales of 2.55x is also below the 5-year average of 3.04x. That is cheap relative to its own history, but the discount is partly justified by falling residential volumes and a lowered 2026 guide. The quality metrics—19.4% operating margin, 25.5% ROIC, and 14.6% net margin—are still strong, so the low multiple is not obviously a value trap, but it is not a free lunch until residential demand stabilizes.

At $391.15, the market is pricing in a downbeat scenario: only about 16.6x next-FY EPS of $23.71 versus a historical 23.75x average. If management holds to its $23.00-$24.00 guidance and the multiple merely returns to 20x, fair value is around $474. If the residential slump deepens and EPS falls toward the low-$20s, 17x would imply roughly $350-$375. The stock has moved from pricing in flawless execution to pricing in meaningful ongoing deterioration, which is why the risk/reward is more balanced now than it was before the July sell-off.

As of 2026-08-27, RSI stood at 29.26, which is oversold, and the stock was -6.5% below its 20-day SMA, -20.4% below its 50-day SMA, and -21.9% below its 200-day SMA. The stock is in a clear downtrend, just above the 52-week low of $387.45. Oversold conditions can produce short-term bounces, but the trend is still down; a patient technical entry would likely wait for price to reclaim the 20-day moving average or at least show a higher low.

• High interest rates are suppressing US housing turnover and residential HVAC replacement/retrofit demand, directly pressuring LII's Home Comfort Solutions segment.
• Commercial HVAC demand has remained more resilient, providing a partial offset and supporting the Building Climate Solutions segment.
• Regulatory push for higher energy-efficiency standards and decarbonization drives secular replacement demand and premium product mix.
• Product cost inflation and factory absorption issues are squeezing margins, though pricing tools and tariff refunds are partial offsets.
• M&A activity (Ariston water-heating JV, Heat Controller acquisition) expands distribution but adds integration and leverage risk.

• Q3 2026 earnings in late October: evidence that residential destocking/volumes have bottomed and that FY26 guidance can be maintained or raised.
• Successful integration of Heat Controller and delivery of M&A-driven revenue growth and margin milestones.
• Interest-rate cuts or improving housing data that reignite residential replacement demand.
• Stabilization of sell-side estimates and resolution or dismissal of the securities litigation pressure.

• Continued residential HVAC weakness leading to further guidance cuts and another leg down in estimates.
• Securities class-action investigations over the disclosure timeline of the residential slowdown and any adverse legal developments.
• Elevated leverage with D/E of 1.56 and roughly $1.15B in long-term debt, increasing interest expense risk if the downturn persists.
• Margin compression from low factory absorption, input-cost inflation, or unfavorable mix shift toward lower-margin products.
• M&A integration failure or overpayment for Heat Controller or the Ariston water-heating venture.

LII is a high-quality, high-ROIC HVAC business with strong commercial momentum and solid FCF generation, but the residential cycle is in a downturn and management recently cut guidance. At $391.15 the stock is already pricing a fairly pessimistic outcome, so the risk/reward is balanced rather than dire. I would not chase the downtrend here, but the franchise is intact and the valuation has reset to a much more reasonable level.

I applied a 20x multiple to next-FY consensus EPS of $23.71, a deliberate ~16% discount to the 5-year average P/E of 23.75x to account for residential cyclical uncertainty; this also triangulates to roughly 14.5x EV/EBITDA on estimated LTM EBITDA of about $1.2B, yielding around $474.