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

Lennox International is the larger business by last-quarter revenue ($1.2B vs $1.1B, roughly 1.1× Alliant Energy). Lennox International runs the higher net margin — 13.6% vs 13.4%, a 0.2% gap on every dollar of revenue. On growth, Alliant Energy posted the faster year-over-year revenue change (9.0% vs -11.2%). Over the past eight quarters, Lennox International's revenue compounded faster (6.8% CAGR vs 1.5%).

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.

Alliant Energy Corporation operates as a utility holding company that provides regulated electricity and natural gas services. It operates through three segments: Utility Electric Operations, Utility Gas Operations, and Utility Other. The company, through its subsidiary, Interstate Power and Light Company (IPL), primarily generates and distributes electricity, and distributes and transports natural gas to retail customers in Iowa; sells electricity to wholesale customers in Minnesota, Illinoi...

LII vs LNT — Head-to-Head

Bigger by revenue
LII
LII
1.1× larger
LII
$1.2B
$1.1B
LNT
Growing faster (revenue YoY)
LNT
LNT
+20.2% gap
LNT
9.0%
-11.2%
LII
Higher net margin
LII
LII
0.2% more per $
LII
13.6%
13.4%
LNT
Faster 2-yr revenue CAGR
LII
LII
Annualised
LII
6.8%
1.5%
LNT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
LII
LII
LNT
LNT
Revenue
$1.2B
$1.1B
Net Profit
$162.1M
$142.0M
Gross Margin
34.7%
85.9%
Operating Margin
18.6%
18.4%
Net Margin
13.6%
13.4%
Revenue YoY
-11.2%
9.0%
Net Profit YoY
-18.0%
-5.3%
EPS (diluted)
$4.62
$0.54

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
LNT
LNT
Q4 25
$1.2B
$1.1B
Q3 25
$1.4B
$1.2B
Q2 25
$1.5B
$961.0M
Q1 25
$1.1B
$1.1B
Q4 24
$1.3B
$975.0M
Q3 24
$1.5B
$1.1B
Q2 24
$1.5B
$894.0M
Q1 24
$1.0B
$1.0B
Net Profit
LII
LII
LNT
LNT
Q4 25
$162.1M
$142.0M
Q3 25
$245.8M
$281.0M
Q2 25
$277.6M
$174.0M
Q1 25
$120.3M
$213.0M
Q4 24
$197.7M
$150.0M
Q3 24
$239.0M
$295.0M
Q2 24
$245.9M
$87.0M
Q1 24
$124.3M
$158.0M
Gross Margin
LII
LII
LNT
LNT
Q4 25
34.7%
85.9%
Q3 25
32.8%
86.3%
Q2 25
34.8%
84.3%
Q1 25
30.6%
86.0%
Q4 24
33.9%
84.7%
Q3 24
32.6%
84.7%
Q2 24
33.6%
83.6%
Q1 24
32.5%
85.3%
Operating Margin
LII
LII
LNT
LNT
Q4 25
18.6%
18.4%
Q3 25
21.7%
28.8%
Q2 25
23.6%
23.2%
Q1 25
14.5%
22.8%
Q4 24
18.2%
22.7%
Q3 24
20.2%
29.0%
Q2 24
22.1%
14.5%
Q1 24
15.9%
21.5%
Net Margin
LII
LII
LNT
LNT
Q4 25
13.6%
13.4%
Q3 25
17.2%
23.2%
Q2 25
18.5%
18.1%
Q1 25
11.2%
18.9%
Q4 24
14.7%
15.4%
Q3 24
16.0%
27.3%
Q2 24
16.9%
9.7%
Q1 24
11.9%
15.3%
EPS (diluted)
LII
LII
LNT
LNT
Q4 25
$4.62
$0.54
Q3 25
$6.98
$1.09
Q2 25
$7.82
$0.68
Q1 25
$3.37
$0.83
Q4 24
$5.52
$0.58
Q3 24
$6.68
$1.15
Q2 24
$6.87
$0.34
Q1 24
$3.47
$0.62

Balance Sheet & Financial Strength

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

Metric
LII
LII
LNT
LNT
Cash + ST InvestmentsLiquidity on hand
$34.7M
$556.0M
Total DebtLower is stronger
$1.1B
Stockholders' EquityBook value
$1.2B
$7.3B
Total Assets
$4.1B
$25.0B
Debt / EquityLower = less leverage
0.98×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LII
LII
LNT
LNT
Q4 25
$34.7M
$556.0M
Q3 25
$59.2M
$753.0M
Q2 25
$55.1M
$329.0M
Q1 25
$222.9M
$25.0M
Q4 24
$422.3M
$81.0M
Q3 24
$255.7M
$827.0M
Q2 24
$57.8M
$92.0M
Q1 24
$57.6M
$32.0M
Total Debt
LII
LII
LNT
LNT
Q4 25
$1.1B
Q3 25
$838.2M
Q2 25
$835.7M
Q1 25
$834.2M
Q4 24
$833.1M
Q3 24
$827.6M
Q2 24
$1.1B
Q1 24
$1.2B
Stockholders' Equity
LII
LII
LNT
LNT
Q4 25
$1.2B
$7.3B
Q3 25
$1.1B
$7.3B
Q2 25
$900.5M
$7.1B
Q1 25
$852.5M
$7.1B
Q4 24
$850.2M
$7.0B
Q3 24
$754.0M
$7.0B
Q2 24
$577.4M
$6.8B
Q1 24
$368.8M
$6.8B
Total Assets
LII
LII
LNT
LNT
Q4 25
$4.1B
$25.0B
Q3 25
$3.5B
$24.6B
Q2 25
$3.7B
$23.8B
Q1 25
$3.5B
$22.9B
Q4 24
$3.5B
$22.7B
Q3 24
$3.3B
$22.8B
Q2 24
$3.2B
$21.8B
Q1 24
$3.0B
$21.2B
Debt / Equity
LII
LII
LNT
LNT
Q4 25
0.98×
Q3 25
0.78×
Q2 25
0.93×
Q1 25
0.98×
Q4 24
0.98×
Q3 24
1.10×
Q2 24
1.95×
Q1 24
3.13×

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
LNT
LNT
Operating Cash FlowLast quarter
$405.9M
$269.0M
Free Cash FlowOCF − Capex
$376.7M
FCF MarginFCF / Revenue
31.5%
Capex IntensityCapex / Revenue
2.4%
Cash ConversionOCF / Net Profit
2.50×
1.89×
TTM Free Cash FlowTrailing 4 quarters
$638.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LII
LII
LNT
LNT
Q4 25
$405.9M
$269.0M
Q3 25
$300.7M
$408.0M
Q2 25
$86.8M
$243.0M
Q1 25
$-35.8M
$249.0M
Q4 24
$332.4M
$254.0M
Q3 24
$452.1M
$351.0M
Q2 24
$184.0M
$255.0M
Q1 24
$-22.8M
$307.0M
Free Cash Flow
LII
LII
LNT
LNT
Q4 25
$376.7M
Q3 25
$265.1M
$-103.0M
Q2 25
$58.3M
$-179.0M
Q1 25
$-61.3M
$-305.0M
Q4 24
$272.2M
Q3 24
$410.9M
$-59.0M
Q2 24
$151.3M
$-137.0M
Q1 24
$-52.3M
$-171.0M
FCF Margin
LII
LII
LNT
LNT
Q4 25
31.5%
Q3 25
18.6%
-8.5%
Q2 25
3.9%
-18.6%
Q1 25
-5.7%
-27.0%
Q4 24
20.2%
Q3 24
27.4%
-5.5%
Q2 24
10.4%
-15.3%
Q1 24
-5.0%
-16.6%
Capex Intensity
LII
LII
LNT
LNT
Q4 25
2.4%
Q3 25
2.5%
42.2%
Q2 25
1.9%
43.9%
Q1 25
2.4%
49.1%
Q4 24
4.5%
Q3 24
2.8%
37.9%
Q2 24
2.3%
43.8%
Q1 24
2.8%
46.4%
Cash Conversion
LII
LII
LNT
LNT
Q4 25
2.50×
1.89×
Q3 25
1.22×
1.45×
Q2 25
0.31×
1.40×
Q1 25
-0.30×
1.17×
Q4 24
1.68×
1.69×
Q3 24
1.89×
1.19×
Q2 24
0.75×
2.93×
Q1 24
-0.18×
1.94×

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%

LNT
LNT

Retail Residential$313.0M29%
Retail Industrial$251.0M24%
Retail Commercial$226.0M21%
Gas$158.0M15%
Other Customer$43.0M4%
Wholesale$36.0M3%
Other Utility$15.0M1%
Steam$9.0M1%

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