WallStSmart

Aspen Aerogels Inc (ASPN)vsLennox International Inc (LII)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Lennox International Inc generates 2183% more annual revenue ($5.26B vs $230.26M). LII leads profitability with a 15.1% profit margin vs -48.6%. LII earns a higher WallStSmart Score of 58/100 (C).

ASPN

Avoid

28

out of 100

Grade: F

Growth: 5.3Profit: 2.0Value: 5.0Quality: 7.5
Piotroski: 4/9Altman Z: 44.42

LII

Buy

58

out of 100

Grade: C

Growth: 4.0Profit: 8.5Value: 5.7Quality: 6.0
Piotroski: 3/9Altman Z: 4.22

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ASPN2 strengths · Avg: 9.0/10
Altman Z-ScoreHealth
44.4210/10

Safe zone — low bankruptcy risk

Price/BookValuation
2.2x8/10

Reasonable price relative to book value

LII2 strengths · Avg: 10.0/10
Return on EquityProfitability
64.5%10/10

Every $100 of equity generates 65 in profit

Altman Z-ScoreHealth
4.2210/10

Safe zone — low bankruptcy risk

Areas to Watch

ASPN4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$488.98M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
-52.5%2/10

ROE of -52.5% — below average capital efficiency

Revenue GrowthGrowth
-51.9%2/10

Revenue declined 51.9%

LII4 concerns · Avg: 3.0/10
Price/BookValuation
14.6x4/10

Trading at 14.6x book value

Debt/EquityHealth
1.613/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

EPS GrowthGrowth
-7.7%2/10

Earnings declined 7.7%

Comparative Analysis Report

WallStSmart Research

Bull Case : ASPN

The strongest argument for ASPN centers on Altman Z-Score, Price/Book.

Bull Case : LII

The strongest argument for LII centers on Return on Equity, Altman Z-Score. Profitability is solid with margins at 15.1% and operating margin at 14.3%. PEG of 1.48 suggests the stock is reasonably priced for its growth.

Bear Case : ASPN

The primary concerns for ASPN are EPS Growth, Market Cap, Return on Equity.

Bear Case : LII

The primary concerns for LII are Price/Book, Debt/Equity, Piotroski F-Score. Debt-to-equity of 1.61 is elevated, increasing financial risk.

Key Dynamics to Monitor

ASPN profiles as a turnaround stock while LII is a mature play — different risk/reward profiles.

ASPN carries more volatility with a beta of 2.83 — expect wider price swings.

LII is growing revenue faster at 5.8% — sustainability is the question.

ASPN generates stronger free cash flow (33M), providing more financial flexibility.

Bottom Line

LII scores higher overall (58/100 vs 28/100), backed by strong 15.1% margins. Both earn "Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Aspen Aerogels Inc

INDUSTRIALS · BUILDING PRODUCTS & EQUIPMENT · USA

Aspen Aerogels, Inc. designs, develops, manufactures, and sells airgel insulation products primarily for use in the energy infrastructure and building materials markets in the United States, Asia, Canada, Europe, and Latin America. The company is headquartered in Northborough, Massachusetts.

Lennox International Inc

INDUSTRIALS · BUILDING PRODUCTS & EQUIPMENT · USA

Lennox International Inc. designs, manufactures and markets a range of products for the heating, ventilation, air conditioning and refrigeration markets in the United States, Canada and internationally. The company is headquartered in Richardson, Texas.

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