WallStSmart

Comfort Systems USA Inc (FIX)vsResMed Inc (RMD)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Comfort Systems USA Inc generates 83% more annual revenue ($10.14B vs $5.54B). RMD leads profitability with a 27.4% profit margin vs 12.1%. RMD appears more attractively valued with a PEG of 1.26. RMD earns a higher WallStSmart Score of 73/100 (B).

FIX

Buy

60

out of 100

Grade: C

Growth: 8.0Profit: 8.0Value: 4.3Quality: 6.3
Piotroski: 4/9Altman Z: 3.72

RMD

Strong Buy

73

out of 100

Grade: B

Growth: 6.7Profit: 9.5Value: 5.3Quality: 8.3
Piotroski: 6/9Altman Z: 4.34
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for FIX.

RMDOvervalued (-13.5%)

Margin of Safety

-13.5%

Fair Value

$228.75

Current Price

$209.64

$19.11 premium

UndervaluedFair: $228.75Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

FIX4 strengths · Avg: 9.3/10
Return on EquityProfitability
53.3%10/10

Every $100 of equity generates 53 in profit

Altman Z-ScoreHealth
3.7210/10

Safe zone — low bankruptcy risk

Market CapQuality
$64.78B9/10

Large-cap with strong market position

EPS GrowthGrowth
38.8%8/10

Earnings expanding 38.8% YoY

RMD4 strengths · Avg: 9.5/10
Operating MarginProfitability
35.3%10/10

Strong operational efficiency at 35.3%

Altman Z-ScoreHealth
4.3410/10

Safe zone — low bankruptcy risk

Return on EquityProfitability
25.3%9/10

Every $100 of equity generates 25 in profit

Profit MarginProfitability
27.4%9/10

Keeps 27 of every $100 in revenue as profit

Areas to Watch

FIX3 concerns · Avg: 2.7/10
Revenue GrowthGrowth
1.0%4/10

1.0% revenue growth

P/E RatioValuation
53.2x2/10

Premium valuation, high expectations priced in

Price/BookValuation
109.6x2/10

Trading at 109.6x book value

RMD0 concerns · Avg: 0/10

No major concerns identified

Comparative Analysis Report

WallStSmart Research

Bull Case : FIX

The strongest argument for FIX centers on Return on Equity, Altman Z-Score, Market Cap. PEG of 1.44 suggests the stock is reasonably priced for its growth.

Bull Case : RMD

The strongest argument for RMD centers on Operating Margin, Altman Z-Score, Return on Equity. Profitability is solid with margins at 27.4% and operating margin at 35.3%. Revenue growth of 10.8% demonstrates continued momentum.

Bear Case : FIX

The primary concerns for FIX are Revenue Growth, P/E Ratio, Price/Book. A P/E of 53.2x leaves little room for execution misses.

Bear Case : RMD

No major red flags identified for RMD, but monitor valuation.

Key Dynamics to Monitor

FIX profiles as a value stock while RMD is a mature play — different risk/reward profiles.

FIX carries more volatility with a beta of 1.60 — expect wider price swings.

RMD is growing revenue faster at 10.8% — sustainability is the question.

RMD generates stronger free cash flow (520M), providing more financial flexibility.

Bottom Line

RMD scores higher overall (73/100 vs 60/100), backed by strong 27.4% margins and 10.8% revenue growth. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Comfort Systems USA Inc

INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA

Comfort Systems USA, Inc. provides mechanical and electrical installation, renovation, maintenance, repair and replacement services for the mechanical and electrical service industry in the United States. The company is headquartered in Houston, Texas.

ResMed Inc

HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA

ResMed is a San Diego, California-based medical equipment company. It primarily provides cloud-connectable medical devices for the treatment of sleep apnea (such as CPAP devices and masks), chronic obstructive pulmonary disease (COPD), and other respiratory conditions.

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