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Side-by-side financial comparison of Lennox International (LII) and Teledyne Technologies (TDY). Click either name above to swap in a different company.

Teledyne Technologies is the larger business by last-quarter revenue ($1.6B vs $1.2B, roughly 1.3× Lennox International). Teledyne Technologies runs the higher net margin — 17.1% vs 13.6%, a 3.5% gap on every dollar of revenue. On growth, Teledyne Technologies posted the faster year-over-year revenue change (7.3% vs -11.2%). Lennox International produced more free cash flow last quarter ($376.7M vs $339.2M). Over the past eight quarters, Teledyne Technologies's revenue compounded faster (9.3% 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.

Teledyne Technologies Incorporated is an American industrial conglomerate. It was founded in 1960, as Teledyne, Inc. by Henry Singleton and George Kozmetsky.

LII vs TDY — Head-to-Head

Bigger by revenue
TDY
TDY
1.3× larger
TDY
$1.6B
$1.2B
LII
Growing faster (revenue YoY)
TDY
TDY
+18.5% gap
TDY
7.3%
-11.2%
LII
Higher net margin
TDY
TDY
3.5% more per $
TDY
17.1%
13.6%
LII
More free cash flow
LII
LII
$37.5M more FCF
LII
$376.7M
$339.2M
TDY
Faster 2-yr revenue CAGR
TDY
TDY
Annualised
TDY
9.3%
6.8%
LII

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
LII
LII
TDY
TDY
Revenue
$1.2B
$1.6B
Net Profit
$162.1M
$275.6M
Gross Margin
34.7%
42.9%
Operating Margin
18.6%
20.4%
Net Margin
13.6%
17.1%
Revenue YoY
-11.2%
7.3%
Net Profit YoY
-18.0%
38.8%
EPS (diluted)
$4.62
$5.81

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
TDY
TDY
Q4 25
$1.2B
$1.6B
Q3 25
$1.4B
$1.5B
Q2 25
$1.5B
$1.5B
Q1 25
$1.1B
$1.4B
Q4 24
$1.3B
$1.5B
Q3 24
$1.5B
$1.4B
Q2 24
$1.5B
$1.4B
Q1 24
$1.0B
$1.4B
Net Profit
LII
LII
TDY
TDY
Q4 25
$162.1M
$275.6M
Q3 25
$245.8M
$220.7M
Q2 25
$277.6M
$209.9M
Q1 25
$120.3M
$188.6M
Q4 24
$197.7M
$198.5M
Q3 24
$239.0M
$262.0M
Q2 24
$245.9M
$180.2M
Q1 24
$124.3M
$178.5M
Gross Margin
LII
LII
TDY
TDY
Q4 25
34.7%
42.9%
Q3 25
32.8%
42.8%
Q2 25
34.8%
42.6%
Q1 25
30.6%
42.7%
Q4 24
33.9%
42.8%
Q3 24
32.6%
42.9%
Q2 24
33.6%
43.1%
Q1 24
32.5%
43.0%
Operating Margin
LII
LII
TDY
TDY
Q4 25
18.6%
20.4%
Q3 25
21.7%
18.4%
Q2 25
23.6%
18.4%
Q1 25
14.5%
17.9%
Q4 24
18.2%
15.8%
Q3 24
20.2%
18.8%
Q2 24
22.1%
18.0%
Q1 24
15.9%
17.4%
Net Margin
LII
LII
TDY
TDY
Q4 25
13.6%
17.1%
Q3 25
17.2%
14.3%
Q2 25
18.5%
13.9%
Q1 25
11.2%
13.0%
Q4 24
14.7%
13.2%
Q3 24
16.0%
18.2%
Q2 24
16.9%
13.1%
Q1 24
11.9%
13.2%
EPS (diluted)
LII
LII
TDY
TDY
Q4 25
$4.62
$5.81
Q3 25
$6.98
$4.65
Q2 25
$7.82
$4.43
Q1 25
$3.37
$3.99
Q4 24
$5.52
$4.18
Q3 24
$6.68
$5.54
Q2 24
$6.87
$3.77
Q1 24
$3.47
$3.72

Balance Sheet & Financial Strength

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

Metric
LII
LII
TDY
TDY
Cash + ST InvestmentsLiquidity on hand
$34.7M
$352.4M
Total DebtLower is stronger
$1.1B
$2.5B
Stockholders' EquityBook value
$1.2B
$10.5B
Total Assets
$4.1B
$15.3B
Debt / EquityLower = less leverage
0.98×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LII
LII
TDY
TDY
Q4 25
$34.7M
$352.4M
Q3 25
$59.2M
$528.6M
Q2 25
$55.1M
$310.9M
Q1 25
$222.9M
$461.5M
Q4 24
$422.3M
$649.8M
Q3 24
$255.7M
$561.0M
Q2 24
$57.8M
$443.2M
Q1 24
$57.6M
$912.4M
Total Debt
LII
LII
TDY
TDY
Q4 25
$1.1B
$2.5B
Q3 25
$838.2M
$2.5B
Q2 25
$835.7M
$2.6B
Q1 25
$834.2M
$3.0B
Q4 24
$833.1M
$2.6B
Q3 24
$827.6M
$2.8B
Q2 24
$1.1B
$2.8B
Q1 24
$1.2B
$3.2B
Stockholders' Equity
LII
LII
TDY
TDY
Q4 25
$1.2B
$10.5B
Q3 25
$1.1B
$10.6B
Q2 25
$900.5M
$10.4B
Q1 25
$852.5M
$9.9B
Q4 24
$850.2M
$9.5B
Q3 24
$754.0M
$9.6B
Q2 24
$577.4M
$9.3B
Q1 24
$368.8M
$9.3B
Total Assets
LII
LII
TDY
TDY
Q4 25
$4.1B
$15.3B
Q3 25
$3.5B
$15.4B
Q2 25
$3.7B
$15.1B
Q1 25
$3.5B
$15.0B
Q4 24
$3.5B
$14.2B
Q3 24
$3.3B
$14.5B
Q2 24
$3.2B
$14.2B
Q1 24
$3.0B
$14.6B
Debt / Equity
LII
LII
TDY
TDY
Q4 25
0.98×
0.24×
Q3 25
0.78×
0.24×
Q2 25
0.93×
0.25×
Q1 25
0.98×
0.30×
Q4 24
0.98×
0.28×
Q3 24
1.10×
0.29×
Q2 24
1.95×
0.30×
Q1 24
3.13×
0.35×

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
TDY
TDY
Operating Cash FlowLast quarter
$405.9M
$379.0M
Free Cash FlowOCF − Capex
$376.7M
$339.2M
FCF MarginFCF / Revenue
31.5%
21.0%
Capex IntensityCapex / Revenue
2.4%
2.5%
Cash ConversionOCF / Net Profit
2.50×
1.38×
TTM Free Cash FlowTrailing 4 quarters
$638.8M
$1.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LII
LII
TDY
TDY
Q4 25
$405.9M
$379.0M
Q3 25
$300.7M
$343.1M
Q2 25
$86.8M
$226.6M
Q1 25
$-35.8M
$242.6M
Q4 24
$332.4M
$332.4M
Q3 24
$452.1M
$249.8M
Q2 24
$184.0M
$318.7M
Q1 24
$-22.8M
$291.0M
Free Cash Flow
LII
LII
TDY
TDY
Q4 25
$376.7M
$339.2M
Q3 25
$265.1M
$313.9M
Q2 25
$58.3M
$196.3M
Q1 25
$-61.3M
$224.6M
Q4 24
$272.2M
$303.4M
Q3 24
$410.9M
$228.7M
Q2 24
$151.3M
$301.0M
Q1 24
$-52.3M
$275.1M
FCF Margin
LII
LII
TDY
TDY
Q4 25
31.5%
21.0%
Q3 25
18.6%
20.4%
Q2 25
3.9%
13.0%
Q1 25
-5.7%
15.5%
Q4 24
20.2%
20.2%
Q3 24
27.4%
15.8%
Q2 24
10.4%
21.9%
Q1 24
-5.0%
20.4%
Capex Intensity
LII
LII
TDY
TDY
Q4 25
2.4%
2.5%
Q3 25
2.5%
1.9%
Q2 25
1.9%
2.0%
Q1 25
2.4%
1.2%
Q4 24
4.5%
1.9%
Q3 24
2.8%
1.5%
Q2 24
2.3%
1.3%
Q1 24
2.8%
1.2%
Cash Conversion
LII
LII
TDY
TDY
Q4 25
2.50×
1.38×
Q3 25
1.22×
1.55×
Q2 25
0.31×
1.08×
Q1 25
-0.30×
1.29×
Q4 24
1.68×
1.67×
Q3 24
1.89×
0.95×
Q2 24
0.75×
1.77×
Q1 24
-0.18×
1.63×

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%

TDY
TDY

Commercial And Other$681.5M42%
Aerospace And Defense Electronics$275.9M17%
Marine Instrumentation$177.1M11%
United States Government$169.0M10%
Environmental Instrumentation$120.7M7%
Engineered Systems$103.3M6%
Test And Measurement Instrumentation$84.8M5%

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