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FIX vs. SUNB: Comfort Systems USA vs. Sunbelt Rentals Stock Comparison

How do Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB) 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 Sunbelt Rentals (SUNB) both fall under the Capital Goods industry group, but FIX is classified in Construction & Engineering while SUNB is classified in Trading Companies & Distributors.

Comfort Systems USA (FIX) has been public since June 27, 1997, giving it decades of market history across multiple cycles, while Sunbelt Rentals (SUNB) listed only on March 2, 2026 and lacks comparable through-cycle data.

Company profile comparison for Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB)
Profile ItemFIXSUNB
NameComfort Systems USA Inc.Sunbelt Rentals Holdings, Inc.
Country/RegionUnited StatesUnited States
GICS SectorIndustrialsIndustrials
GICS Industry GroupCapital GoodsCapital Goods
GICS IndustryConstruction & EngineeringTrading Companies & Distributors
GICS Sub-IndustryConstruction & EngineeringTrading Companies & Distributors
Market Capitalization35.81 billion USD31.57 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateJune 27, 1997March 2, 2026
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

FIX
SUNB
GSPC
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB), 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 Sunbelt Rentals (SUNB). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB). 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 Sunbelt Rentals (SUNB)
MetricFIXSUNB
Total Return (1Y)15.31%--
Total Return (3Y, Annualized)81.62%--
Total Return (5Y, Annualized)62.48%--

Risk Profile

Drawdown History

FIX
SUNB
GSPC
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB), 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 Sunbelt Rentals (SUNB). 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 Sunbelt Rentals (SUNB)
MetricFIXSUNB
Volatility (1Y, Annualized)60.97%45.72%
Beta (5Y)1.681.10
Max Drawdown (5Y)-53.28%-22.53%
Avg. Volume (3M)471.64K4.96M

Risk-Adjusted Performance

Risk-Return Positioning

Both FIX and SUNB need 1-year volatility and 1-year return to plot risk-return positioning.

Risk-Adjusted Metrics

Risk-adjusted metrics for Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB)
MetricFIXSUNB
Sharpe Ratio (1Y)0.18--
Sortino Ratio (1Y)0.25--

Profitability

ROE (TTM)

Comfort Systems USA (FIX) at 58.61% clears its industry range for ROE, a sharper capital-efficiency signal than Sunbelt Rentals (SUNB) at 18.37%, 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%

SUNB

Capital Goods industry group

18.37%

Max
40.55%
Q3
19.29%
SUNB
18.37%
Median
12.12%
Q1
4.08%
Min
-17.12%
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): 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 Sunbelt Rentals (SUNB) at 12.12% 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%

SUNB

Capital Goods industry group

12.12%

Max
27.47%
SUNB
12.12%
Q3
12.10%
Median
6.30%
Q1
1.40%
Min
-12.89%
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

Sunbelt Rentals (SUNB) at 22.38% 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%

SUNB

Capital Goods industry group

22.38%

Max
36.60%
SUNB
22.38%
Q3
18.33%
Median
11.12%
Q1
5.14%
Min
-12.63%
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB)
MetricFIXSUNB
ROE (TTM)58.61%18.37%
ROA (TTM)16.88%6.71%
Net Margin (TTM)13.01%12.12%
Operating Margin (TTM)16.47%22.38%
Gross Margin (TTM)25.70%38.78%

Growth

Revenue Growth

Comfort Systems USA (FIX) at 29.52% sits in the top revenue growth quartile, while Sunbelt Rentals (SUNB) at 3.36% is closer to the peer norm — faster top-line expansion for FIX.

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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): 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 Sunbelt Rentals (SUNB) at -8.91% is closer to the peer norm — faster per-share earnings growth for FIX.

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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB)
MetricFIXSUNB
Revenue Growth (YoY)29.52%3.36%
Revenue Growth (3Y CAGR)30.03%4.88%
EPS Growth (YoY)97.81%-8.91%
EPS Growth (3Y CAGR)61.78%-4.89%

Financial Strength

Current Ratio (MRQ)

Both Comfort Systems USA (FIX) at 1.15 and Sunbelt Rentals (SUNB) at 0.95 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

SUNB

Capital Goods industry group

0.95

Max
5.22
Q3
2.95
Median
2.08
Q1
1.43
SUNB
0.95
Min
0.36
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): 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 quartile, while Sunbelt Rentals (SUNB) at 1.53 sits in the higher-leverage quartile.

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

SUNB

Capital Goods industry group

1.53

Max
2.33
SUNB
1.53
Q3
1.12
Median
0.60
Q1
0.29
Min
0.00
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): 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 Sunbelt Rentals (SUNB)
MetricFIXSUNB
Current Ratio (MRQ)1.150.95
Debt / Equity (MRQ)0.111.53
Net Debt / EBITDA-0.813.93

Dividends

Dividend Yield (TTM)

Sunbelt Rentals (SUNB) at 1.87% 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, SUNB 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%

SUNB

Capital Goods industry group

1.87%

Max
2.66%
SUNB
1.87%
Q3
1.14%
Median
0.24%
Q1
0.00%
Min
0.00%
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): 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 Sunbelt Rentals (SUNB) at 22.63% 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%

SUNB

Capital Goods industry group

22.63%

Max
67.39%
Q3
28.02%
SUNB
22.63%
Median
6.86%
Q1
0.00%
Min
0.00%
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB)
MetricFIXSUNB
Dividend Yield (TTM)0.31%1.87%
Dividend Payout Ratio (TTM)6.48%22.63%

Valuation

P/E Ratio (TTM)

Both Comfort Systems USA (FIX) at 21.98 and Sunbelt Rentals (SUNB) at 23.28 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

SUNB

Capital Goods industry group

23.28

Max
59.38
Q3
35.92
Median
25.41
SUNB
23.28
Q1
19.47
Min
3.03
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): 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 Sunbelt Rentals (SUNB) at 2.75 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

SUNB

Capital Goods industry group

2.75

Max
7.54
Q3
3.76
SUNB
2.75
Median
2.15
Q1
1.03
Min
0.03
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

Sunbelt Rentals (SUNB) at 4.24 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

SUNB

Capital Goods industry group

4.24

Max
9.66
Q3
5.00
SUNB
4.24
Median
3.12
Q1
1.81
Min
-1.08
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Comfort Systems USA (FIX) vs. Sunbelt Rentals (SUNB): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for Comfort Systems USA (FIX) and Sunbelt Rentals (SUNB)
MetricFIXSUNB
P/E Ratio (TTM)21.9823.28
P/S Ratio (TTM)2.852.75
P/B Ratio (MRQ)10.664.24
Free Cash Flow Yield (TTM)5.94%5.47%