FIX vs. PWR: Comfort Systems USA vs. Quanta Services Stock Comparison

November 11, 2026

How do Comfort Systems USA (FIX) and Quanta Services (PWR) 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 Quanta Services (PWR) are both classified in the Construction & Engineering sub-industry within the broader Construction & Engineering industry, placing them in the closest GICS peer bucket.

Company profile comparison for Comfort Systems USA (FIX) and Quanta Services (PWR)
Profile Item	FIX	PWR
Name	Comfort Systems USA Inc.	Quanta Services, Inc.
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Construction & Engineering	Construction & Engineering
GICS Sub-Industry	Construction & Engineering	Construction & Engineering
Market Capitalization	35.81 billion USD	81.50 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	June 27, 1997	February 12, 1998
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

FIX

PWR

GSPC

Comfort Systems USA (FIX) vs. Quanta Services (PWR), 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 Quanta Services (PWR). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Comfort Systems USA (FIX) and Quanta Services (PWR). 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 Quanta Services (PWR)
Metric	FIX	PWR
Total Return (1Y)	15.31%	32.97%
Total Return (3Y, Annualized)	81.62%	51.81%
Total Return (5Y, Annualized)	62.48%	38.19%

Risk Profile

Drawdown History

FIX

PWR

GSPC

Comfort Systems USA (FIX) vs. Quanta Services (PWR), 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 Quanta Services (PWR). 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 Quanta Services (PWR)
Metric	FIX	PWR
Volatility (1Y, Annualized)	60.97%	50.22%
Beta (5Y)	1.68	1.29
Max Drawdown (5Y)	-53.28%	-35.15%
Avg. Volume (3M)	471.64K	1.19M

Risk-Adjusted Performance

Risk-Return Positioning

FIX and PWR 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 Quanta Services (PWR)
Metric	FIX	PWR
Sharpe Ratio (1Y)	0.18	0.57
Sortino Ratio (1Y)	0.25	0.87

Profitability

ROE (TTM)

Comfort Systems USA (FIX) at 58.61% clears its industry range for ROE, a sharper capital-efficiency signal than Quanta Services (PWR) at 18.02%, 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%

PWR

Capital Goods industry group

18.02%

Max: 40.55%
Q3: 19.29%
PWR: 18.02%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

Comfort Systems USA (FIX) vs. Quanta Services (PWR): 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 Quanta Services (PWR) at 4.51%, 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%

PWR

Capital Goods industry group

4.51%

Max: 27.47%
Q3: 12.10%
Median: 6.30%
PWR: 4.51%
Q1: 1.40%
Min: -12.89%

Comfort Systems USA (FIX) vs. Quanta Services (PWR): 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 Quanta Services (PWR) at 8.63% 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%

PWR

Capital Goods industry group

8.63%

Max: 36.60%
Q3: 18.33%
Median: 11.12%
PWR: 8.63%
Q1: 5.14%
Min: -12.63%

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

Profitability Metrics

Profitability metrics for Comfort Systems USA (FIX) and Quanta Services (PWR)
Metric	FIX	PWR
ROE (TTM)	58.61%	18.02%
ROA (TTM)	16.88%	5.72%
Net Margin (TTM)	13.01%	4.51%
Operating Margin (TTM)	16.47%	8.63%
Gross Margin (TTM)	25.70%	15.76%

Growth

Revenue Growth

Both Comfort Systems USA (FIX) at 29.52% and Quanta Services (PWR) at 20.31% sit in the top peer quartile for revenue growth, so each is growing its top line faster than typical industry peers.

Comfort Systems USA (FIX) vs. Quanta Services (PWR): 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 Quanta Services (PWR) at 12.77% is closer to the peer norm — faster per-share earnings growth for FIX.

Comfort Systems USA (FIX) vs. Quanta Services (PWR): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Comfort Systems USA (FIX) and Quanta Services (PWR)
Metric	FIX	PWR
Revenue Growth (YoY)	29.52%	20.31%
Revenue Growth (3Y CAGR)	30.03%	18.60%
EPS Growth (YoY)	97.81%	12.77%
EPS Growth (3Y CAGR)	61.78%	27.00%

Financial Strength

Current Ratio (MRQ)

Both Comfort Systems USA (FIX) at 1.15 and Quanta Services (PWR) at 1.16 run current ratio in the tighter-liquidity quartile of industry peers, leaving thinner cushions against current liabilities than typical competitors.

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

PWR

Capital Goods industry group

1.16

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
PWR: 1.16
Min: 0.36

Comfort Systems USA (FIX) vs. Quanta Services (PWR): 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 Quanta Services (PWR) at 0.71 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

PWR

Capital Goods industry group

0.71

Max: 2.33
Q3: 1.12
PWR: 0.71
Median: 0.60
Q1: 0.29
Min: 0.00

Comfort Systems USA (FIX) vs. Quanta Services (PWR): 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 Quanta Services (PWR)
Metric	FIX	PWR
Current Ratio (MRQ)	1.15	1.16
Debt / Equity (MRQ)	0.11	0.71
Net Debt / EBITDA	-0.81	1.43

Dividends

Dividend Yield (TTM)

Both Comfort Systems USA (FIX) at 0.31% and Quanta Services (PWR) at 0.09% pay solid, industry-typical yields, sitting squarely within their peers’ usual range.

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%

PWR

Capital Goods industry group

0.09%

Max: 2.66%
Q3: 1.14%
Median: 0.24%
PWR: 0.09%
Q1: 0.00%
Min: 0.00%

Comfort Systems USA (FIX) vs. Quanta Services (PWR): 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 Quanta Services (PWR) at 3.98% 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%

PWR

Capital Goods industry group

3.98%

Max: 67.39%
Q3: 28.02%
Median: 6.86%
PWR: 3.98%
Q1: 0.00%
Min: 0.00%

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

Dividend Metrics

Dividend metrics for Comfort Systems USA (FIX) and Quanta Services (PWR)
Metric	FIX	PWR
Dividend Yield (TTM)	0.31%	0.09%
Dividend Payout Ratio (TTM)	6.48%	3.98%

Valuation

P/E Ratio (TTM)

Comfort Systems USA (FIX) at 21.98 is near its industry’s usual P/E ratio, while Quanta Services (PWR) at 48.95 sits in the richer quartile — PWR needs stronger growth or earnings quality to justify the premium.

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

PWR

Capital Goods industry group

48.95

Max: 59.38
PWR: 48.95
Q3: 35.92
Median: 25.41
Q1: 19.47
Min: 3.03

Comfort Systems USA (FIX) vs. Quanta Services (PWR): 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 Quanta Services (PWR) at 2.19 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

PWR

Capital Goods industry group

2.19

Max: 7.54
Q3: 3.76
PWR: 2.19
Median: 2.15
Q1: 1.03
Min: 0.03

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

P/B Ratio (MRQ)

Both look rich against book: Quanta Services (PWR) at 7.73 sits in the upper P/B ratio quartile, and Comfort Systems USA (FIX) at 10.66 prices even higher, above its industry range.

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

PWR

Capital Goods industry group

7.73

Max: 9.66
PWR: 7.73
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08

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

Valuation Metrics

Valuation metrics for Comfort Systems USA (FIX) and Quanta Services (PWR)
Metric	FIX	PWR
P/E Ratio (TTM)	21.98	48.95
P/S Ratio (TTM)	2.85	2.19
P/B Ratio (MRQ)	10.66	7.73
Free Cash Flow Yield (TTM)	5.94%	3.78%