FIX vs. LHX: Comfort Systems USA vs. L3Harris Stock Comparison

November 11, 2026

How do Comfort Systems USA (FIX) and L3Harris (LHX) 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 L3Harris (LHX) both fall under the Capital Goods industry group, but FIX is classified in Construction & Engineering while LHX is classified in Aerospace & Defense.

Company profile comparison for Comfort Systems USA (FIX) and L3Harris (LHX)
Profile Item	FIX	LHX
Name	Comfort Systems USA Inc.	L3Harris Technologies, Inc.
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	48.39 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	June 27, 1997	December 31, 1981
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

FIX

LHX

GSPC

Comfort Systems USA (FIX) vs. L3Harris (LHX), 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 L3Harris (LHX). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Comfort Systems USA (FIX) and L3Harris (LHX). 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 L3Harris (LHX)
Metric	FIX	LHX
Total Return (1Y)	15.31%	-5.21%
Total Return (3Y, Annualized)	81.62%	16.68%
Total Return (5Y, Annualized)	62.48%	5.91%

Risk Profile

Drawdown History

FIX

LHX

GSPC

Comfort Systems USA (FIX) vs. L3Harris (LHX), 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 L3Harris (LHX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Comfort Systems USA (FIX) has an aggressive beta of 1.68, indicating higher sensitivity to broad-market moves, while L3Harris (LHX) is defensive at 0.46 and tends to be less market-sensitive — they sit on opposite ends of the beta spectrum.

Risk profile metrics for Comfort Systems USA (FIX) and L3Harris (LHX)
Metric	FIX	LHX
Volatility (1Y, Annualized)	60.97%	29.75%
Beta (5Y)	1.68	0.46
Max Drawdown (5Y)	-53.28%	-38.16%
Avg. Volume (3M)	471.64K	1.70M

Risk-Adjusted Performance

Risk-Return Positioning

FIX and LHX 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 L3Harris (LHX)
Metric	FIX	LHX
Sharpe Ratio (1Y)	0.18	-0.32
Sortino Ratio (1Y)	0.25	-0.45

Profitability

ROE (TTM)

Comfort Systems USA (FIX) at 58.61% clears its industry range for ROE, a sharper capital-efficiency signal than L3Harris (LHX) at 10.03%, 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%

LHX

Capital Goods industry group

10.03%

Max: 40.55%
Q3: 19.29%
Median: 12.12%
LHX: 10.03%
Q1: 4.08%
Min: -17.12%

Comfort Systems USA (FIX) vs. L3Harris (LHX): 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 L3Harris (LHX) at 8.76%, 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%

LHX

Capital Goods industry group

8.76%

Max: 27.47%
Q3: 12.10%
LHX: 8.76%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

Comfort Systems USA (FIX) vs. L3Harris (LHX): 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 L3Harris (LHX) at 14.34% 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%

LHX

Capital Goods industry group

14.34%

Max: 36.60%
Q3: 18.33%
LHX: 14.34%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

Comfort Systems USA (FIX) vs. L3Harris (LHX): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for Comfort Systems USA (FIX) and L3Harris (LHX)
Metric	FIX	LHX
ROE (TTM)	58.61%	10.03%
ROA (TTM)	16.88%	4.56%
Net Margin (TTM)	13.01%	8.76%
Operating Margin (TTM)	16.47%	14.34%
Gross Margin (TTM)	25.70%	25.55%

Growth

Revenue Growth

Comfort Systems USA (FIX) at 29.52% sits in the top revenue growth quartile, while L3Harris (LHX) at 2.53% is closer to the peer norm — faster top-line expansion for FIX.

Comfort Systems USA (FIX) vs. L3Harris (LHX): 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 L3Harris (LHX) at 8.39% is closer to the peer norm — faster per-share earnings growth for FIX.

Comfort Systems USA (FIX) vs. L3Harris (LHX): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Comfort Systems USA (FIX) and L3Harris (LHX)
Metric	FIX	LHX
Revenue Growth (YoY)	29.52%	2.53%
Revenue Growth (3Y CAGR)	30.03%	8.62%
EPS Growth (YoY)	97.81%	8.39%
EPS Growth (3Y CAGR)	61.78%	15.82%

Financial Strength

Current Ratio (MRQ)

Both Comfort Systems USA (FIX) at 1.15 and L3Harris (LHX) at 1.20 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

LHX

Capital Goods industry group

1.20

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
LHX: 1.20
Min: 0.36

Comfort Systems USA (FIX) vs. L3Harris (LHX): 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 L3Harris (LHX) at 0.52 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

LHX

Capital Goods industry group

0.52

Max: 2.33
Q3: 1.12
Median: 0.60
LHX: 0.52
Q1: 0.29
Min: 0.00

Comfort Systems USA (FIX) vs. L3Harris (LHX): 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 L3Harris (LHX)
Metric	FIX	LHX
Current Ratio (MRQ)	1.15	1.20
Debt / Equity (MRQ)	0.11	0.52
Net Debt / EBITDA	-0.81	1.88

Dividends

Dividend Yield (TTM)

L3Harris (LHX) at 1.92% 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, LHX 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%

LHX

Capital Goods industry group

1.92%

Max: 2.66%
LHX: 1.92%
Q3: 1.14%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

Comfort Systems USA (FIX) vs. L3Harris (LHX): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

Comfort Systems USA (FIX) at 6.48% pays out a band-typical share of earnings, while L3Harris (LHX) at 46.09% distributes more than its industry norm — less retained, thinner cover.

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%

LHX

Capital Goods industry group

46.09%

Max: 67.39%
LHX: 46.09%
Q3: 28.02%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

Comfort Systems USA (FIX) vs. L3Harris (LHX): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for Comfort Systems USA (FIX) and L3Harris (LHX)
Metric	FIX	LHX
Dividend Yield (TTM)	0.31%	1.92%
Dividend Payout Ratio (TTM)	6.48%	46.09%

Valuation

P/E Ratio (TTM)

Both Comfort Systems USA (FIX) at 21.98 and L3Harris (LHX) at 24.20 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

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

LHX

Capital Goods industry group

24.20

Max: 59.38
Q3: 35.92
Median: 25.41
LHX: 24.20
Q1: 19.47
Min: 3.03

Comfort Systems USA (FIX) vs. L3Harris (LHX): 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 L3Harris (LHX) at 2.07 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

LHX

Capital Goods industry group

2.07

Max: 7.54
Q3: 3.76
Median: 2.15
LHX: 2.07
Q1: 1.03
Min: 0.03

Comfort Systems USA (FIX) vs. L3Harris (LHX): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

L3Harris (LHX) at 2.39 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

LHX

Capital Goods industry group

2.39

Max: 9.66
Q3: 5.00
Median: 3.12
LHX: 2.39
Q1: 1.81
Min: -1.08

Comfort Systems USA (FIX) vs. L3Harris (LHX): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for Comfort Systems USA (FIX) and L3Harris (LHX)
Metric	FIX	LHX
P/E Ratio (TTM)	21.98	24.20
P/S Ratio (TTM)	2.85	2.07
P/B Ratio (MRQ)	10.66	2.39
Free Cash Flow Yield (TTM)	5.94%	7.09%