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Side-by-side financial comparison of Lennox International (LII) and RESIDEO TECHNOLOGIES, INC. (REZI). Click either name above to swap in a different company.

RESIDEO TECHNOLOGIES, INC. is the larger business by last-quarter revenue ($1.9B vs $1.2B, roughly 1.6× Lennox International). Lennox International runs the higher net margin — 13.6% vs 7.2%, a 6.4% gap on every dollar of revenue. On growth, RESIDEO TECHNOLOGIES, INC. posted the faster year-over-year revenue change (2.0% vs -11.2%). Lennox International produced more free cash flow last quarter ($376.7M vs $262.0M). Over the past eight quarters, RESIDEO TECHNOLOGIES, INC.'s revenue compounded faster (12.9% CAGR vs 6.8%).

Lennox International Inc. is an American provider of climate control products for the heating, ventilation, and air conditioning (HVAC) and refrigeration markets. Based in Richardson, Texas, the company is 9.8% owned by John W. Norris, III, a descendant of DW Norris, who acquired the company in 1904. The company's largest production facilities are in Saltillo, Mexico, Marshalltown, Iowa, and Orangeburg, South Carolina.

Resideo Technologies, Inc. is an American multinational company that was formed in 2018 out of a spin-off from Honeywell. It provides room air temperature, quality, and humidity control and security systems primarily in residential dwellings in the U.S. and internationally. The company operates in two segments: products and distribution. It manufactures and distributes smart-home and software products, including temperature and lighting control, security, and water and air monitoring. The com...

LII vs REZI — Head-to-Head

Bigger by revenue
REZI
REZI
1.6× larger
REZI
$1.9B
$1.2B
LII
Growing faster (revenue YoY)
REZI
REZI
+13.1% gap
REZI
2.0%
-11.2%
LII
Higher net margin
LII
LII
6.4% more per $
LII
13.6%
7.2%
REZI
More free cash flow
LII
LII
$114.7M more FCF
LII
$376.7M
$262.0M
REZI
Faster 2-yr revenue CAGR
REZI
REZI
Annualised
REZI
12.9%
6.8%
LII

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
LII
LII
REZI
REZI
Revenue
$1.2B
$1.9B
Net Profit
$162.1M
$136.0M
Gross Margin
34.7%
29.6%
Operating Margin
18.6%
7.4%
Net Margin
13.6%
7.2%
Revenue YoY
-11.2%
2.0%
Net Profit YoY
-18.0%
491.3%
EPS (diluted)
$4.62
$0.99

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
LII
LII
REZI
REZI
Q4 25
$1.2B
$1.9B
Q3 25
$1.4B
$1.9B
Q2 25
$1.5B
$1.9B
Q1 25
$1.1B
$1.8B
Q4 24
$1.3B
$1.9B
Q3 24
$1.5B
$1.8B
Q2 24
$1.5B
$1.6B
Q1 24
$1.0B
$1.5B
Net Profit
LII
LII
REZI
REZI
Q4 25
$162.1M
$136.0M
Q3 25
$245.8M
$156.0M
Q2 25
$277.6M
$-825.0M
Q1 25
$120.3M
$6.0M
Q4 24
$197.7M
$23.0M
Q3 24
$239.0M
$20.0M
Q2 24
$245.9M
$30.0M
Q1 24
$124.3M
$43.0M
Gross Margin
LII
LII
REZI
REZI
Q4 25
34.7%
29.6%
Q3 25
32.8%
29.8%
Q2 25
34.8%
29.3%
Q1 25
30.6%
28.9%
Q4 24
33.9%
28.5%
Q3 24
32.6%
28.7%
Q2 24
33.6%
28.1%
Q1 24
32.5%
26.9%
Operating Margin
LII
LII
REZI
REZI
Q4 25
18.6%
7.4%
Q3 25
21.7%
8.3%
Q2 25
23.6%
9.1%
Q1 25
14.5%
7.7%
Q4 24
18.2%
7.8%
Q3 24
20.2%
6.9%
Q2 24
22.1%
7.7%
Q1 24
15.9%
8.6%
Net Margin
LII
LII
REZI
REZI
Q4 25
13.6%
7.2%
Q3 25
17.2%
8.4%
Q2 25
18.5%
-42.5%
Q1 25
11.2%
0.3%
Q4 24
14.7%
1.2%
Q3 24
16.0%
1.1%
Q2 24
16.9%
1.9%
Q1 24
11.9%
2.9%
EPS (diluted)
LII
LII
REZI
REZI
Q4 25
$4.62
$0.99
Q3 25
$6.98
$0.85
Q2 25
$7.82
$-5.59
Q1 25
$3.37
$-0.02
Q4 24
$5.52
$0.06
Q3 24
$6.68
$0.07
Q2 24
$6.87
$0.19
Q1 24
$3.47
$0.29

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
LII
LII
REZI
REZI
Cash + ST InvestmentsLiquidity on hand
$34.7M
$661.0M
Total DebtLower is stronger
$1.1B
$3.2B
Stockholders' EquityBook value
$1.2B
$2.9B
Total Assets
$4.1B
$8.4B
Debt / EquityLower = less leverage
0.98×
1.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LII
LII
REZI
REZI
Q4 25
$34.7M
$661.0M
Q3 25
$59.2M
$345.0M
Q2 25
$55.1M
$753.0M
Q1 25
$222.9M
$577.0M
Q4 24
$422.3M
$692.0M
Q3 24
$255.7M
$531.0M
Q2 24
$57.8M
$413.0M
Q1 24
$57.6M
$603.0M
Total Debt
LII
LII
REZI
REZI
Q4 25
$1.1B
$3.2B
Q3 25
$838.2M
$3.2B
Q2 25
$835.7M
$2.0B
Q1 25
$834.2M
$2.0B
Q4 24
$833.1M
$2.0B
Q3 24
$827.6M
$2.0B
Q2 24
$1.1B
$2.0B
Q1 24
$1.2B
$1.4B
Stockholders' Equity
LII
LII
REZI
REZI
Q4 25
$1.2B
$2.9B
Q3 25
$1.1B
$2.8B
Q2 25
$900.5M
$2.6B
Q1 25
$852.5M
$3.3B
Q4 24
$850.2M
$3.3B
Q3 24
$754.0M
$3.4B
Q2 24
$577.4M
$3.3B
Q1 24
$368.8M
$2.8B
Total Assets
LII
LII
REZI
REZI
Q4 25
$4.1B
$8.4B
Q3 25
$3.5B
$8.2B
Q2 25
$3.7B
$8.5B
Q1 25
$3.5B
$8.1B
Q4 24
$3.5B
$8.2B
Q3 24
$3.3B
$8.1B
Q2 24
$3.2B
$8.0B
Q1 24
$3.0B
$6.5B
Debt / Equity
LII
LII
REZI
REZI
Q4 25
0.98×
1.11×
Q3 25
0.78×
1.17×
Q2 25
0.93×
0.77×
Q1 25
0.98×
0.60×
Q4 24
0.98×
0.61×
Q3 24
1.10×
0.60×
Q2 24
1.95×
0.61×
Q1 24
3.13×
0.51×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
LII
LII
REZI
REZI
Operating Cash FlowLast quarter
$405.9M
$299.0M
Free Cash FlowOCF − Capex
$376.7M
$262.0M
FCF MarginFCF / Revenue
31.5%
13.8%
Capex IntensityCapex / Revenue
2.4%
2.0%
Cash ConversionOCF / Net Profit
2.50×
2.20×
TTM Free Cash FlowTrailing 4 quarters
$638.8M
$-1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LII
LII
REZI
REZI
Q4 25
$405.9M
$299.0M
Q3 25
$300.7M
$-1.6B
Q2 25
$86.8M
$200.0M
Q1 25
$-35.8M
$-65.0M
Q4 24
$332.4M
$203.0M
Q3 24
$452.1M
$147.0M
Q2 24
$184.0M
$92.0M
Q1 24
$-22.8M
$2.0M
Free Cash Flow
LII
LII
REZI
REZI
Q4 25
$376.7M
$262.0M
Q3 25
$265.1M
$-1.6B
Q2 25
$58.3M
$180.0M
Q1 25
$-61.3M
$-96.0M
Q4 24
$272.2M
$181.0M
Q3 24
$410.9M
$125.0M
Q2 24
$151.3M
$77.0M
Q1 24
$-52.3M
$-19.0M
FCF Margin
LII
LII
REZI
REZI
Q4 25
31.5%
13.8%
Q3 25
18.6%
-85.8%
Q2 25
3.9%
9.3%
Q1 25
-5.7%
-5.4%
Q4 24
20.2%
9.7%
Q3 24
27.4%
6.8%
Q2 24
10.4%
4.8%
Q1 24
-5.0%
-1.3%
Capex Intensity
LII
LII
REZI
REZI
Q4 25
2.4%
2.0%
Q3 25
2.5%
1.5%
Q2 25
1.9%
1.0%
Q1 25
2.4%
1.8%
Q4 24
4.5%
1.2%
Q3 24
2.8%
1.2%
Q2 24
2.3%
0.9%
Q1 24
2.8%
1.4%
Cash Conversion
LII
LII
REZI
REZI
Q4 25
2.50×
2.20×
Q3 25
1.22×
-10.07×
Q2 25
0.31×
Q1 25
-0.30×
-10.83×
Q4 24
1.68×
8.83×
Q3 24
1.89×
7.35×
Q2 24
0.75×
3.07×
Q1 24
-0.18×
0.05×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

LII
LII

Residential Heating And Cooling$699.8M59%
Commercial Heating And Cooling$495.2M41%

REZI
REZI

ADI Global Distribution Segment$1.2B62%
Safety And Security$257.0M14%
Air$211.0M11%
Energy Service$153.0M8%
Public Utilities Inventory Water$91.0M5%

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