FIX vs. HEI: Comfort Systems USA vs. HEICO Stock Comparison

November 11, 2026

How do Comfort Systems USA (FIX) and HEICO (HEI) 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 HEICO (HEI) both fall under the Capital Goods industry group, but FIX is classified in Construction & Engineering while HEI is classified in Aerospace & Defense.

Company profile comparison for Comfort Systems USA (FIX) and HEICO (HEI)
Profile Item	FIX	HEI
Name	Comfort Systems USA Inc.	HEICO Corporation
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Construction & Engineering	Aerospace & Defense
GICS Sub-Industry	Construction & Engineering	Aerospace & Defense
Market Capitalization	35.81 billion USD	46.49 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	June 27, 1997	March 17, 1980
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

FIX

HEI

GSPC

Comfort Systems USA (FIX) vs. HEICO (HEI), 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 HEICO (HEI). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Comfort Systems USA (FIX) and HEICO (HEI). 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 HEICO (HEI)
Metric	FIX	HEI
Total Return (1Y)	15.31%	6.50%
Total Return (3Y, Annualized)	81.62%	28.48%
Total Return (5Y, Annualized)	62.48%	18.19%

Risk Profile

Drawdown History

FIX

HEI

GSPC

Comfort Systems USA (FIX) vs. HEICO (HEI), 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 HEICO (HEI). 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 HEICO (HEI)
Metric	FIX	HEI
Volatility (1Y, Annualized)	60.97%	33.37%
Beta (5Y)	1.68	1.06
Max Drawdown (5Y)	-53.28%	-27.11%
Avg. Volume (3M)	471.64K	480.74K

Risk-Adjusted Performance

Risk-Return Positioning

FIX and HEI 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 HEICO (HEI)
Metric	FIX	HEI
Sharpe Ratio (1Y)	0.18	0.07
Sortino Ratio (1Y)	0.25	0.10

Profitability

ROE (TTM)

Comfort Systems USA (FIX) at 58.61% clears its industry range for ROE, a sharper capital-efficiency signal than HEICO (HEI) at 17.73%, 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%

HEI

Capital Goods industry group

17.73%

Max: 40.55%
Q3: 19.29%
HEI: 17.73%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

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

Net Margin (TTM)

For every dollar of sales, both Comfort Systems USA (FIX) at 13.01% and HEICO (HEI) at 16.38% retain more as net profit than most peers, landing in the top net margin quartile of their industries.

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%

HEI

Capital Goods industry group

16.38%

Max: 27.47%
HEI: 16.38%
Q3: 12.10%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

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

Operating Margin (TTM)

HEICO (HEI) at 25.14% operates in the top operating margin quartile, ahead of Comfort Systems USA (FIX) at 16.47%, which runs around its industry’s norm.

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%

HEI

Capital Goods industry group

25.14%

Max: 36.60%
HEI: 25.14%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

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

Profitability Metrics

Profitability metrics for Comfort Systems USA (FIX) and HEICO (HEI)
Metric	FIX	HEI
ROE (TTM)	58.61%	17.73%
ROA (TTM)	16.88%	8.50%
Net Margin (TTM)	13.01%	16.38%
Operating Margin (TTM)	16.47%	25.14%
Gross Margin (TTM)	25.70%	40.40%

Growth

Revenue Growth

Comfort Systems USA (FIX) at 29.52% sits in the top revenue growth quartile, while HEICO (HEI) at 16.26% is closer to the peer norm — faster top-line expansion for FIX.

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

EPS Growth

Both Comfort Systems USA (FIX) at 97.81% and HEICO (HEI) at 33.52% sit in the top peer quartile for EPS growth, so each is compounding per-share earnings faster than typical industry peers.

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

Growth Metrics

Growth metrics for Comfort Systems USA (FIX) and HEICO (HEI)
Metric	FIX	HEI
Revenue Growth (YoY)	29.52%	16.26%
Revenue Growth (3Y CAGR)	30.03%	26.64%
EPS Growth (YoY)	97.81%	33.52%
EPS Growth (3Y CAGR)	61.78%	24.32%

Financial Strength

Current Ratio (MRQ)

HEICO (HEI) at 2.72 keeps current ratio within its industry’s typical mid-range, while Comfort Systems USA (FIX) at 1.15 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for FIX.

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

HEI

Capital Goods industry group

2.72

Max: 5.22
Q3: 2.95
HEI: 2.72
Median: 2.08
Q1: 1.43
Min: 0.36

Comfort Systems USA (FIX) vs. HEICO (HEI): 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 HEICO (HEI) at 0.45 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

HEI

Capital Goods industry group

0.45

Max: 2.33
Q3: 1.12
Median: 0.60
HEI: 0.45
Q1: 0.29
Min: 0.00

Comfort Systems USA (FIX) vs. HEICO (HEI): 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 HEICO (HEI)
Metric	FIX	HEI
Current Ratio (MRQ)	1.15	2.72
Debt / Equity (MRQ)	0.11	0.45
Net Debt / EBITDA	-0.81	1.56

Dividends

Dividend Yield (TTM)

Both Comfort Systems USA (FIX) at 0.31% and HEICO (HEI) at 0.08% 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%

HEI

Capital Goods industry group

0.08%

Max: 2.66%
Q3: 1.14%
Median: 0.24%
HEI: 0.08%
Q1: 0.00%
Min: 0.00%

Comfort Systems USA (FIX) vs. HEICO (HEI): 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 HEICO (HEI) at 4.17% 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%

HEI

Capital Goods industry group

4.17%

Max: 67.39%
Q3: 28.02%
Median: 6.86%
HEI: 4.17%
Q1: 0.00%
Min: 0.00%

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

Dividend Metrics

Dividend metrics for Comfort Systems USA (FIX) and HEICO (HEI)
Metric	FIX	HEI
Dividend Yield (TTM)	0.31%	0.08%
Dividend Payout Ratio (TTM)	6.48%	4.17%

Valuation

P/E Ratio (TTM)

Comfort Systems USA (FIX) at 21.98 is near its industry’s usual P/E ratio, while HEICO (HEI) at 55.44 sits in the richer quartile — HEI 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

HEI

Capital Goods industry group

55.44

Max: 59.38
HEI: 55.44
Q3: 35.92
Median: 25.41
Q1: 19.47
Min: 3.03

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

P/S Ratio (TTM)

Comfort Systems USA (FIX) at 2.85 prices around its industry’s typical P/S ratio, while HEICO (HEI) at 8.98 clears its benchmark range — HEI looks notably rich on sales.

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

HEI

Capital Goods industry group

8.98

HEI: 8.98
Max: 7.54
Q3: 3.76
Median: 2.15
Q1: 1.03
Min: 0.03

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

P/B Ratio (MRQ)

Both look rich against book: HEICO (HEI) at 9.40 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

HEI

Capital Goods industry group

9.40

Max: 9.66
HEI: 9.40
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08

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

Valuation Metrics

Valuation metrics for Comfort Systems USA (FIX) and HEICO (HEI)
Metric	FIX	HEI
P/E Ratio (TTM)	21.98	55.44
P/S Ratio (TTM)	2.85	8.98
P/B Ratio (MRQ)	10.66	9.40
Free Cash Flow Yield (TTM)	5.94%	1.82%