LII · Q3 2025 Earnings

Bearish

Lennox International

Reported October 22, 2025

30-second summary

Lennox reported Q3 revenue of $1.43B (-5% YoY) and adjusted EPS of $6.98, with Home Comfort Solutions revenue down 12% as sell-in ran ~20% below sell-through on contractor destocking. Management cut FY25 EPS guidance to $22.75–$23.25 (from $23.25–$24.25), flipped revenue guidance from +3% growth to -1% decline, and slashed FCF to ~$550M from a prior $650–800M range — a $175M midpoint cut. The Q2 narrative of "strong results and continued momentum" is gone, replaced by "transitional year" and a destocking overhang management now expects to persist through Q2 2026.

Headline numbers

EPS

Q3 FY2025

$6.98

Revenue

Q3 FY2025

$1.43B

-5.0% YoY

Gross margin

Q3 FY2025

32.8%

Free cash flow

Q3 FY2025

$0.27B

Operating margin

Q3 FY2025

21.7%

Key financials

Q3 FY2025

Metric	Q3 FY2025	YoY	Q2 FY2025	QoQ
Revenue	$1.43B	-5.0%	$1.50B	-4.9%
EPS	$6.98	—	$7.82	-10.7%
Gross margin	32.8%	—	34.8%	-200bps
Operating margin	21.7%	—	23.6%	-190bps
Free cash flow	$0.27B	—	$0.06B	+349.7%

Guidance

Company significantly lowered full-year FY2025 guidance across revenue, EPS, and FCF, citing refrigerant transition costs and macroeconomic deterioration; withdrew capex disclosure.

Guidance is issued for the full year only, refreshed each quarter. Prior and new below are the same FY updated this quarter.

Changes to prior guidance

Metric	Period	Prior guide	New guide	Δ	Result
Revenue growth	FY 2025	approximately 3%	down approximately 1%	-4 percentage points (from +3% to -1%)	Lowered
Adjusted EPS	FY 2025	$23.25 to $24.25	$22.75 to $23.25	-$0.50 to -$1.00 at both ends (midpoint down $0.75)	Lowered
Free cash flow	FY 2025	$650 million to $800 million	approximately $550 million	-$100 to -$250 (range collapsed to point estimate ~$550M, below prior low end)	Lowered
Capital expenditures	FY 2025	approximately $150 million	Withdrawn — no replacement	—	Withdrawn

Segment KPIs

Q3 FY2025

Segment	Q3 FY2025	YoY
Home Comfort Solutions	$0.913B	-12.0%
Building Climate Solutions	$0.514B	+10.0%

Other KPIs

Q3 FY2025

Segment	Q3 FY2025
Home Comfort Solutions Segment Margin	22.2%
Building Climate Solutions Segment Margin	26.1%
Total Segment Profit	$310.2 million
Operating Cash Flow	$300.7 million
Mix/Price Benefits	$118 million

Management tone

Narrative arc: Q2 "raise on momentum" → Q3 "transitional year, destocking through Q2 2026"

The single-quarter shift in framing is dramatic. In Q2 management raised the FY EPS range citing "strong results and continued momentum on our transformation plan" and tightened the volume assumption from down 9% to down 6%. One quarter later, the same volume picture has deteriorated to HCS revenue down 12% YoY, the FY revenue guide has flipped from +3% to -1%, and the new language is "2025 is proving to be a transitional year, shaped by the impact of the refrigerant transition and difficult macroeconomic conditions." The Q2 framing of mix/price doing the work while volumes recovered has been replaced with a destocking story whose end-date is now Q2 2026.

The R454B narrative has evolved across three quarters in a telling way. Q1/Q2 framing was "canister availability is improving" — i.e. a near-term supply hiccup. This quarter, management is reframing the same residential weakness as contractor confidence loss and barn-inventory destocking: "lead times now 1-2 days vs weeks during COVID" and contractors are unwinding inventory built up during supply chain stress. That is a more durable explanation but also a more honest one — the weakness isn't a Q2 air pocket, it's a multi-quarter channel correction. Management's commitment that destocking "normalizes by Q2 2026" is now the load-bearing assumption for any 2026 recovery story.

The CEO's Q2 sign-off — "our best days are ahead of us" — has been replaced by management explicitly preparing the market for a "more normalized operating environment in 2026 and beyond." That is not a recovery call; it's a reset. Combined with the capex withdrawal and a 1,000+ person headcount cut not mentioned in the Q2 deck, the operational posture has clearly shifted from growth investment to cash defense.

The pricing story is the one piece of the narrative that has held. Mix/price benefits of $118M in Q3 essentially matched Q2's $114M, so the A2L mix lift is still doing what management said it would. The problem is that mix/price can't offset a 20% sell-in decline, and that's what the FY revenue cut reflects.

Q&A highlights

Ryan Merkle · William Blair

Requested perspective on residential volume declines, breakdown of one-step vs two-step performance, and adjusted volumes excluding destocking. Also asked about sequential margin decline in Q4 vs Q3.

Management indicated total sales and sell-through down ~10%, sell-in down ~20% in Q3. Confirmed destocking occurred on both OEM and dealer sides. For Q4 margins, cited manufacturing production pullback to rightsize inventory as primary driver of lower absorption benefit versus Q3.

Total sales/sell-through down ~10%, sell-in down ~20% in Q3HCS revenues declined 12% in Q3Headcount reduction of 1,000+ people across factoriesDestocking expected to continue through Q2 2026

Damian Carras · UBS

Asked when channel inventory destocking will normalize and whether destocking impacts extend beyond two-step to one-step contractors.

Management clarified contractors reduced barn inventory built during COVID as supply chains improved and lead times compressed to 1-2 days. Destocking expected to normalize by Q2 2026. Inventory reduction driven by contractor confidence loss post-regulatory transition, not structural demand collapse.

Lead times now 1-2 days vs weeks during COVIDDestocking expected complete by Q2 2026Contractor barn inventory was weeks, not months, of supplyBCS emergency replacement grew ~100% on small base in Q3

Nigel Coe · Wolf Research

Asked about unusually high inventory levels concentrated in captive distribution and whether most inventory is emergency replacement buildup. Questioned pace of destocking given Q2 2026 timeline.

Management acknowledged inventory higher than desired; ~150-200M of $300M excess should be reduced by Q2 2026. Remainder is deliberate investment in emergency replacement fill rates and distribution capabilities. Most elevated inventory is at direct-to-contractor level.

Total excess inventory ~$300M year-over-year$150-200M to be reduced by Q2 2026$100-150M is strategic investment in emergency replacement and distributionHCS segment profit margin expanded 30 basis points despite challenges

Joe O'Day · Wells Fargo

Asked about industry volume normalization and how management views returning to 8-10M unit range given existing home sales headwinds and interest rate expectations for 2026.

Management expects normalized 2026 industry volumes closer to 9-10M units vs abnormally low current levels, confirming destocking as primary cause of weakness. Emphasized outperforming industry regardless of absolute market level is core strategy. Q4 and Q1 results will provide clearer picture of normalization.

2026 expected industry volume range: 9-10M unitsCurrent year abnormally low due to destockingLower interest rates viewed as support for existing home sales recoveryNo material impact anticipated from federal energy efficiency incentive sunset

Julian Mitchell · Barclays

Asked about operating margin trajectory, magnitude of HCS underproduction headwind, and duration of acquisition amortization headwinds through 2026.

Full year 2025 guidance implies ~50 bps segment margin expansion despite acquisition headwinds. HCS margins up slightly full-year; BCS flat; corporate expenses down $15-20M. ~20% decremental expected Q4. Absorption headwind continues into Q1 2026 due to pre-positioning $150M inventory for summer season.

Full year segment margin expansion ~50 basis pointsHCS full year margins up slightly; BCS flatCorporate expenses declining $15-20M year-over-year20% decremental margin in Q4 2025

Answers to last quarter's watch list

R454B canister availability — Reframed by management. The narrative has moved from canister supply to broader contractor destocking; HCS volumes are now down 12% YoY in Q3 vs. the down-8% H2 expectation, so the residential story deteriorated. Status: Resolved negatively

HCS margin trajectory — Q3 HCS segment margin came in at 22.2%, well below Q2's 25.3% and the >25% threshold set as the bull case. The 310bps QoQ compression was driven by deliberate production cuts to drain inventory; management says Q4 will see further sequential margin pressure. Status: Resolved negatively

BCS volume bottoming call — BCS revenue +10% YoY in Q3, comfortably above the +5% bar from the watch list, with segment margin expanding 120bps QoQ to 26.1%. The share-defense story is working in commercial; emergency replacement up ~100% on a small base adds an incremental growth vector. Status: Resolved positively

Price/mix split — Q3 mix/price benefits of $118M, essentially matching Q2's $114M. The A2L mix tailwind is annualizing as expected, not fading. Status: Resolved positively

FCF execution — Q3 operating cash flow of $301M vs. $87M in Q2 — the back-half-loaded story did materialize in Q3 specifically. But the FY guide was cut from $650–800M to ~$550M, which implies Q4 cash generation will be weaker than the H1 run-rate. The original watch question is technically answered (Q3 OCF did inflect), but the full-year delivery has been written down materially. Status: Resolved negatively

Tariff pass-through — Not explicitly called out as a driver of the cut on the print; pricing/mix held at $118M, suggesting no visible erosion of the pricing umbrella. The cut is volume-driven, not price-driven. Status: Continue monitoring

What to watch into next quarter

Sell-in vs. sell-through gap closure — sell-in was ~20% below sell-through in Q3 (i.e. ~10pp of pure destocking). Watch whether the gap narrows to <5pp by Q1 2026, which would validate management's Q2 2026 destocking-complete timeline. A persistent double-digit gap means the recovery slips.

HCS segment margin floor — Q3 came in at 22.2%, with Q4 guided lower on production cuts. Watch whether the trough holds above 20% or breaks lower; the absorption headwind continues into Q1 2026 per management.

FCF delivery vs. $550M FY guide — Q3 OCF was $301M, so implied Q4 OCF is ~$250M to hit the guide. A miss to the new guide would be the second cut in two quarters and would put working capital management into question.

2026 industry volume framing — management cited a 9–10M unit assumption for 2026 vs. an "abnormally low" 2025. Watch the Q4 call for whether that range is held, narrowed, or quietly lowered — this is the foundation of any 2026 EPS rebuild.

Capex disclosure — capex guide was withdrawn entirely this quarter. Watch whether a new capex framework is reintroduced on the Q4 call; continued silence implies cash defense remains the priority and growth investment is deferred.

BCS margin sustainability — 26.1% Q3 margin is the high-water mark; emergency replacement growth is on a small base. Watch whether BCS holds above 25% as the comp base normalizes.

Sources

Lennox International Q3 2025 press release (SEC EDGAR): https://www.sec.gov/Archives/edgar/data/1069202/000106920225000046/lii-2025930xexx991pressrel.htm
Q&A commentary integrated from supplied analyst exchange extraction.

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