Advanced Energy Industries (AEIS) vs Lennox International (LII)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Advanced Energy Industries (AEIS) has outperformed Lennox International (LII) over the past year, gaining 62.5% versus a loss of 34.8%. Over five years, AEIS leads with a +221.4% price change compared with +16.9% for LII. Lennox International is the larger company by market cap ($12.50 billion vs $11.38 billion), about 1.1 times the size, while Advanced Energy Industries is growing revenue faster (+21.4% vs -2.7%).
On valuation, Lennox International trades at a lower forward P/E (13.9x vs 18.5x for Advanced Energy Industries). Lennox International offers the higher dividend yield (1.45% vs 0.14%). Lennox International converts more of its revenue into profit, with a net margin of 15.5% versus 8.2%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AEIS | LII |
|---|---|---|
| Share price | $284.24 | $361.54 |
| Market cap | $11.38B | $12.50B |
| 1-day change | -2.74% | +0.87% |
| YTD return | +35.76% | -25.54% |
| 1-year return | +62.50% | -34.81% |
| 5-year return | +221.39% | +16.94% |
| P/E ratio (TTM) | 52.64 | 15.94 |
| Forward P/E | 18.53 | 13.90 |
| EPS (TTM) | $5.40 | $22.68 |
| Dividend yield | 0.14% | 1.45% |
| Annual dividend | $0.40 | $5.26 |
| Revenue (latest FY) | $1.80B | $5.20B |
| Revenue growth (YoY) | +21.38% | -2.73% |
| Net income (latest FY) | $148.40M | $805.80M |
| Gross margin | 37.66% | 33.39% |
| Operating margin | 9.34% | 20.05% |
| Net margin | 8.25% | 15.51% |
| 52-week high | $397.44 | $587.27 |
| 52-week low | $169.36 | $350.22 |
| Distance from 52-week high | -28.48% | -38.44% |
| Analyst consensus | strong_buy | hold |
| Avg. price target upside | +50.96% | +30.73% |
| Average volume | 579.43K | 515.01K |
| Shares outstanding | 40.05M | 34.56M |
| Employees | 13,000 | 5,400 |
| Sector | Technology | Industrials |
| Industry | Industrial Machinery/Components | Industrial Machinery/Components |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- AEIS has outperformed LII by 97.3 percentage points over the past year.
- Advanced Energy Industries trades at a higher earnings multiple (52.6x vs 15.9x trailing P/E).
- Lennox International offers a meaningfully higher dividend yield (1.45% vs 0.14%).
- Lennox International is more profitable, keeping 15.5 cents of every revenue dollar as net income versus 8.2 cents for Advanced Energy Industries.
- Advanced Energy Industries grew revenue faster in its latest fiscal year (+21.38% vs -2.73%).
- The two companies sit in different sectors: Advanced Energy Industries in Technology and Lennox International in Industrials.
About Advanced Energy Industries
AEIS stock →Advanced Energy Industries, Inc. provides precision power conversion, measurement, and control solutions in the United States, Asia, Europe, and internationally.
Technology · Industrial Machinery/Components · 13,000 employees
About Lennox International
LII stock →Lennox International Inc., together with its subsidiaries, designs, manufactures, and markets products for the heating, ventilation, air conditioning, and refrigeration markets in the United States, Canada, and internationally. The Home Comfort Solutions segment provides furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor air quality equipment, comfort control products, and replacement parts and supplies; residential heating, ventilation, cooling equipment, and air conditioning; and evaporator coils, air handlers, and unit heaters under Lennox, Dave Lennox Signature Collection, Armstrong Air, Ducane, AirEase, Concord, MagicPak, Advanced Distributor Products, Allied, Elite Series, Supco, Linebacker, Elite series, Merit Series, Comfort Sync, Healthy Climate, Healthy Climate Solutions, iComfort, ComfortSense, and Lennox Stores name.
Industrials · Industrial Machinery/Components · 5,400 employees
AEIS vs LII FAQ
Which is bigger, Advanced Energy Industries or Lennox International?
Lennox International (LII) is larger, with a market capitalization of $12.50B compared with $11.38B for Advanced Energy Industries (AEIS).
Which stock has performed better over the past year, AEIS or LII?
AEIS returned +62.50% over the past 12 months, compared with -34.81% for LII (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AEIS or LII?
LII has the lower trailing P/E at 15.9, versus 52.6 for AEIS. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Advanced Energy Industries or Lennox International?
Lennox International has the higher yield at 1.45%, compared with 0.14% for Advanced Energy Industries.
Are Advanced Energy Industries and Lennox International in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Technology sector.