FIX vs. PCAR: Comfort Systems USA vs. PACCAR Stock Comparison

November 11, 2026

How do Comfort Systems USA (FIX) and PACCAR (PCAR) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Comfort Systems USA (FIX) and PACCAR (PCAR) both fall under the Capital Goods industry group, but FIX is classified in Construction & Engineering while PCAR is classified in Machinery.

Company profile comparison for Comfort Systems USA (FIX) and PACCAR (PCAR)
Profile Item	FIX	PCAR
Name	Comfort Systems USA Inc.	PACCAR Inc.
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Construction & Engineering	Machinery
GICS Sub-Industry	Construction & Engineering	Construction Machinery & Heavy Transportation Equipment
Market Capitalization	35.81 billion USD	53.69 billion USD
Currency	USD	USD
Exchange	NYSE	Nasdaq
Listing Date	June 27, 1997	March 17, 1980
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

FIX

PCAR

GSPC

Comfort Systems USA (FIX) vs. PACCAR (PCAR), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Comfort Systems USA (FIX) and PACCAR (PCAR). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Comfort Systems USA (FIX) and PACCAR (PCAR). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
Total Return (1Y)	15.31%	9.49%
Total Return (3Y, Annualized)	81.62%	11.04%
Total Return (5Y, Annualized)	62.48%	16.64%

Risk Profile

Drawdown History

FIX

PCAR

GSPC

Comfort Systems USA (FIX) vs. PACCAR (PCAR), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Comfort Systems USA (FIX) and PACCAR (PCAR). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
Volatility (1Y, Annualized)	60.97%	27.23%
Beta (5Y)	1.68	0.94
Max Drawdown (5Y)	-53.28%	-27.75%
Avg. Volume (3M)	471.64K	3.33M

Risk-Adjusted Performance

Risk-Return Positioning

FIX and PCAR are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
Sharpe Ratio (1Y)	0.18	0.19
Sortino Ratio (1Y)	0.25	0.30

Profitability

ROE (TTM)

Comfort Systems USA (FIX) at 58.61% clears its industry range for ROE, a sharper capital-efficiency signal than PACCAR (PCAR) at 13.71%, which is closer to a typical peer reading.

FIX

Capital Goods industry group

58.61%

FIX: 58.61%
Max: 40.55%
Q3: 19.29%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

PCAR

Capital Goods industry group

13.71%

Max: 40.55%
Q3: 19.29%
PCAR: 13.71%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their ROE against the Capital Goods industry group benchmark.

Net Margin (TTM)

Comfort Systems USA (FIX) at 13.01% retains a top-quartile share of revenue as profit, ahead of PACCAR (PCAR) at 9.50%, which keeps about the industry-typical share.

FIX

Capital Goods industry group

13.01%

Max: 27.47%
FIX: 13.01%
Q3: 12.10%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

PCAR

Capital Goods industry group

9.50%

Max: 27.47%
Q3: 12.10%
PCAR: 9.50%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

Both Comfort Systems USA (FIX) at 16.47% and PACCAR (PCAR) at 12.59% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

FIX

Capital Goods industry group

16.47%

Max: 36.60%
Q3: 18.33%
FIX: 16.47%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

PCAR

Capital Goods industry group

12.59%

Max: 36.60%
Q3: 18.33%
PCAR: 12.59%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
ROE (TTM)	58.61%	13.71%
ROA (TTM)	16.88%	4.53%
Net Margin (TTM)	13.01%	9.50%
Operating Margin (TTM)	16.47%	12.59%
Gross Margin (TTM)	25.70%	14.21%

Growth

Revenue Growth

Comfort Systems USA (FIX) at 29.52% sits in the top revenue growth quartile, while PACCAR (PCAR) at -15.50% is in the bottom quartile, showing a clear gap in revenue momentum.

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their Revenue Growth across different time periods.

EPS Growth

Comfort Systems USA (FIX) at 97.81% sits in the top EPS growth quartile, while PACCAR (PCAR) at -42.91% is in the bottom quartile, showing a clear gap in earnings momentum.

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
Revenue Growth (YoY)	29.52%	-15.50%
Revenue Growth (3Y CAGR)	30.03%	-0.44%
EPS Growth (YoY)	97.81%	-42.91%
EPS Growth (3Y CAGR)	61.78%	-7.80%

Financial Strength

Current Ratio (MRQ)

PACCAR (PCAR) at 5.47 carries current ratio above its industry’s typical mid-range, while Comfort Systems USA (FIX) at 1.15 runs in the tighter-liquidity quartile — different working-capital profiles, both worth examining.

FIX

Capital Goods industry group

1.15

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
FIX: 1.15
Min: 0.36

PCAR

Capital Goods industry group

5.47

PCAR: 5.47
Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
Min: 0.36

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Comfort Systems USA (FIX) at 0.11 keeps leverage in the lower industry quartile, while PACCAR (PCAR) at 0.72 runs a more typical debt-to-equity mix.

FIX

Capital Goods industry group

0.11

Max: 2.33
Q3: 1.12
Median: 0.60
Q1: 0.29
FIX: 0.11
Min: 0.00

PCAR

Capital Goods industry group

0.72

Max: 2.33
Q3: 1.12
PCAR: 0.72
Median: 0.60
Q1: 0.29
Min: 0.00

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their debt-to-equity ratio against the Capital Goods industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
Current Ratio (MRQ)	1.15	5.47
Debt / Equity (MRQ)	0.11	0.72
Net Debt / EBITDA	-0.81	1.62

Dividends

Dividend Yield (TTM)

PACCAR (PCAR) at 1.30% delivers top-quartile income for its industry, while Comfort Systems USA (FIX) at 0.31% pays a more typical yield — both are credible income propositions, PCAR the richer one.

FIX

Capital Goods industry group

0.31%

Max: 2.66%
Q3: 1.14%
FIX: 0.31%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

PCAR

Capital Goods industry group

1.30%

Max: 2.66%
PCAR: 1.30%
Q3: 1.14%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

Both Comfort Systems USA (FIX) at 6.48% and PACCAR (PCAR) at 25.95% keep payout ratio within their industries’ typical mid-ranges — dividend policies that share earnings without consuming too much of them.

FIX

Capital Goods industry group

6.48%

Max: 67.39%
Q3: 28.02%
Median: 6.86%
FIX: 6.48%
Q1: 0.00%
Min: 0.00%

PCAR

Capital Goods industry group

25.95%

Max: 67.39%
Q3: 28.02%
PCAR: 25.95%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
Dividend Yield (TTM)	0.31%	1.30%
Dividend Payout Ratio (TTM)	6.48%	25.95%

Valuation

P/E Ratio (TTM)

PACCAR (PCAR) at 19.46 sits in the cheaper P/E ratio quartile, while Comfort Systems USA (FIX) at 21.98 is closer to its industry’s usual earnings multiple — a discount for PCAR, though growth and earnings durability still matter.

FIX

Capital Goods industry group

21.98

Max: 59.38
Q3: 35.92
Median: 25.41
FIX: 21.98
Q1: 19.47
Min: 3.03

PCAR

Capital Goods industry group

19.46

Max: 59.38
Q3: 35.92
Median: 25.41
Q1: 19.47
PCAR: 19.46
Min: 3.03

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their P/E ratio against the Capital Goods industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both Comfort Systems USA (FIX) at 2.85 and PACCAR (PCAR) at 1.85 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

FIX

Capital Goods industry group

2.85

Max: 7.54
Q3: 3.76
FIX: 2.85
Median: 2.15
Q1: 1.03
Min: 0.03

PCAR

Capital Goods industry group

1.85

Max: 7.54
Q3: 3.76
Median: 2.15
PCAR: 1.85
Q1: 1.03
Min: 0.03

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

PACCAR (PCAR) at 2.57 sits near its industry’s typical P/B ratio, while Comfort Systems USA (FIX) at 10.66 prices above its benchmark range — FIX looks rich relative to book.

FIX

Capital Goods industry group

10.66

FIX: 10.66
Max: 9.66
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08

PCAR

Capital Goods industry group

2.57

Max: 9.66
Q3: 5.00
Median: 3.12
PCAR: 2.57
Q1: 1.81
Min: -1.08

Comfort Systems USA (FIX) vs. PACCAR (PCAR): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for Comfort Systems USA (FIX) and PACCAR (PCAR)
Metric	FIX	PCAR
P/E Ratio (TTM)	21.98	19.46
P/S Ratio (TTM)	2.85	1.85
P/B Ratio (MRQ)	10.66	2.57
Free Cash Flow Yield (TTM)	5.94%	3.23%