FIX vs LII vs MTZ Stock Comparison

Comfort Systems Usa, Lennox International and Mastec Prices as of Oct 29, 2026 Peers: Industry group
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FIX Comfort Systems Usa Inc
$1,326.09 -20.3% 1M +31.2% 1Y
Market cap
$43.04B
P/E
26.4x
Revenue (TTM)
$5.27B
Div. yield
0.00%
HVAC Industrials
6 wins
MTZ Mastec Inc
$177.63 -15.5% 1M -19.8% 1Y
Market cap
$14.58B
P/E
30.1x
Revenue (TTM)
$17.30B
Div. yield
–
Utility Construction Industrials
1 win

Head to Head

12 decided of 12

Comfort Systems Usa leads on 6 of the 12 questions below (Comfort Systems Usa 6, Lennox International 5, Mastec 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionFIXLIIMTZLeader
Larger companyMarket capitalisation $43.04B $11.79B $14.58B FIX
Cheaper on earningsLower P/E, profitable companies only 26.4x 15.7x 30.1x LII
Cheaper on forward earningsLower price / next fiscal year consensus EPS 29.0x 15.4x 18.8x LII
Faster revenue growthRevenue growth, trailing twelve months -36.6% +1.9% +25.7% MTZ
More profitableNet margin, trailing twelve months 30.9% 13.8% 2.8% FIX
Better return on capitalReturn on invested capital 16.0% 27.6% 9.5% LII
Less leveragedLower net debt / EBITDA -2.0x 1.4x 2.6x FIX
Higher dividend yieldTrailing dividend yield 0.00% 0.02% 0.00% LII
Better 1-year returnPrice return, last 12 months +31.2% -28.6% -19.8% FIX
Better 5-year returnAnnualised price return, 5 years +70.8%/yr +3.1%/yr +14.8%/yr FIX
Less volatileAnnualised volatility, 1 year 57.0% 42.8% 53.4% LII
Higher overall scoreMean of the five percentile scores vs peers 70/100 63/100 65/100 FIX

Percentile Scorecard

FIXLIIMTZ

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisFIXLIIMTZ
Valuation 33 #37 of 55 61 #22 of 55 73 #15 of 52
Growth 88 #7 of 51 56 #23 of 51 75 #10 of 37
Profitability 79 #11 of 49 100 #1 of 49 67 #13 of 37
Financial Health 76 #14 of 55 28 #40 of 55 45 #32 of 57
Shareholder Returns 74 #11 of 40 72 #12 of 40 –
Overall 70 63 65
  • FIX ranked among 59 companies in Construction Products
  • LII ranked among 59 companies in Construction Products
  • MTZ ranked among 57 companies in Construction Services

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodFIXLIIMTZSPY
1 month -20.3%-3.3%-15.5% +0.7%
3 months -21.9%-16.6%-45.3% +3.7%
6 months -27.9%-34.9%-54.9% +7.1%
Year to date +42.1%-28.3%-18.3% +12.8%
1 year +31.2%-28.6%-19.8% +11.9%
3 years +638.8%-4.7%+203.7% +85.2%
3 years, per year +94.9%-1.6%+44.9% +22.8%
5 years +1,349.8%+16.3%+99.3% +67.6%
5 years, per year +70.8%+3.1%+14.8% +10.9%
10 years +4,512.5%+137.8%+529.9% +262.0%
10 years, per year +46.7%+9.0%+20.2% +13.7%

Risk

MeasureFIXLIIMTZSPY
Volatility, 1Y 57.0%42.8%53.4% 12.7%
Downside volatility, 1Y 62.1%48.6%60.6% 12.6%
Beta vs S&P 500, 1Y 2.601.291.78 1.00
Return / volatility, 1Y 0.55-0.67-0.37 0.94
Max drawdown, 5Y -46.1%-51.0%-61.0% -25.4%
From 52-week high -35.8%-39.2%-59.4% -1.2%
52-week high $2,066.51$572.95$437.51 $779.14
52-week low $876.19$332.41$171.09 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleFIXLIIMTZ
P/E now vs peer median 28.5xmedian 20.3x 16.0xmedian 20.3x 29.0xmedian 28.1x
P/S now vs peer median 8.8xmedian 1.6x 2.2xmedian 1.6x 0.8xmedian 0.8x
EV/EBITDA now vs peer median 42.2xmedian 12.6x 11.7xmedian 12.6x 12.7xmedian 12.7x
P/FCF now vs peer median 19.0xmedian 16.9x 14.3xmedian 16.9x 35.3xmedian 25.0x
P/B now vs peer median 13.9xmedian 3.0x 9.0xmedian 3.0x 3.4xmedian 2.5x
PEG now vs peer median 0.36median 1.13 1.24median 1.13 0.22median 0.60

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsFIXLIIMTZ
Revenue $5.27B $5.45B $17.30B
Gross profit $1.42B $1.78B $2.20B
Operating income $989.51M $1.03B $886.16M
Net income $1.63B $749.90M $536.18M
Free cash flow $2.44B $835.70M $404.62M
EPS (diluted) $46.42 $21.74 $6.07
Cash & equivalents $2.16B $43.30M $481.82M
Total debt $49.56M $1.62B $4.17B
Shares (diluted) 35.15M 34.50M 79.82M
Enterprise value $36.99B $11.61B $13.12B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricFIXLIIMTZ
P/E 28.5x 16.0x 29.0x
P/FCF 19.0x 14.3x 35.3x
P/Operating cash flow 15.4x 12.0x 18.8x
P/S 8.8x 2.2x 0.8x
P/B 13.9x 9.0x 3.4x
P/Tangible book 16.7x 12.1x 5.8x
EV/EBITDA 42.2x 11.7x 12.7x
EV/EBIT 44.8x 13.1x 20.3x
EV/Revenue 8.4x 2.5x 1.0x
EV/FCF 18.1x 16.1x 44.4x
EV/Operating cash flow 14.7x 13.6x 23.6x
PEG (3Y EPS CAGR) 0.36 1.24 0.22

Growth

14 metrics
MetricFIXLIIMTZ
Revenue growth (1Y) -36.6% 1.9% 25.7%
Revenue CAGR (3Y) 2.0% 3.4% 13.8%
Gross profit growth (1Y) -27.6% -1.6% 28.1%
Gross profit CAGR (3Y) 15.4% 6.3% 16.1%
Operating income growth (1Y) -11.2% -6.4% 42.8%
Operating income CAGR (3Y) 37.8% 11.7% 43.7%
Net income growth (1Y) 94.8% -13.3% 51.6%
Net income CAGR (3Y) 78.4% 11.6% 140.3%
EPS growth (1Y) 96.0% -11.6% 44.1%
EPS CAGR (3Y) 79.7% 12.8% 129.1%
Operating cash flow growth (1Y) 223.9% 44.6% 18.0%
Operating cash flow CAGR (3Y) 71.3% 20.7% 20.9%
Free cash flow growth (1Y) 205.6% 56.4% -2.9%
Free cash flow CAGR (3Y) 67.9% 27.5% 22.0%

Profitability

14 metrics
MetricFIXLIIMTZ
Gross margin 26.8% 32.6% 12.7%
EBITDA margin 19.9% 21.2% 8.2%
Operating margin 18.8% 18.8% 5.1%
Pretax margin 19.3% 17.6% 3.9%
Net margin 30.9% 13.8% 2.8%
FCF margin 46.3% 15.3% 2.3%
Operating cash flow margin 57.0% 18.2% 4.4%
Return on equity 16.7% 57.4% 13.7%
Return on assets 6.0% 16.2% 4.3%
Return on invested capital 16.0% 27.6% 9.5%
Return on capital employed 30.6% 36.9% 11.0%
Asset turnover 0.6x 1.2x 1.4x
Cash conversion (OCF / net income) 1.8x 1.3x 1.4x
Stock comp / revenue 0.7% 0.4% 0.2%

Financial Health

11 metrics
MetricFIXLIIMTZ
Debt / assets 0.5% 34.6% 29.5%
Debt / equity 0.0x 1.2x 1.0x
Net debt / EBITDA -2.0x 1.4x 2.6x
Debt / FCF 0.0x 1.9x 10.3x
Liabilities / assets 66.0% 71.9% 70.3%
Equity / assets 34.0% 28.1% 29.7%
Interest coverage 125.1x 16.2x 4.5x
Current ratio 1.1x 1.2x 1.4x
Quick ratio 0.4x 0.5x 1.3x
Cash ratio 0.4x 0.0x 0.1x
Altman Z-score 5.82 5.70 2.74

Shareholder Returns

7 metrics
MetricFIXLIIMTZ
Dividend yield 0.2% 1.5% –
Net buyback yield 0.9% 3.7% –
Shareholder yield 1.2% 5.3% –
Payout ratio (earnings) 6.5% 24.4% –
Payout ratio (FCF) 4.3% 21.9% –
Dividend growth (1Y) 75.6% 8.7% –
Dividend CAGR (3Y) 57.9% 6.1% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusFIXLIIMTZ
Forward P/E 29.0xFY2026 15.4xFY2026 18.8xFY2026
EPS, next fiscal year $45.66FY2026 $22.65FY2026 $9.46FY2026
EPS growth, next FY +58.1%FY2026 -2.2%FY2026 +44.4%FY2026
EPS growth, the year after +25.2% +7.9% +23.8%
Revenue, next fiscal year $12.26BFY2026 $5.75BFY2026 $19.11BFY2026
Revenue growth, next FY +34.7%FY2026 +10.5%FY2026 +33.7%FY2026
Revenue growth, the year after +33.8% +7.7% +18.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersFIXLIIMTZ
Held by institutions 93.1% 77.3% 74.0%
Institutions holding 1,354 656 909
Change in shares held, QoQ +0.8% +1.8% +2.8%
Institutions buying 742 316 514
Institutions selling 487 236 290
Buyers to sellers 1.52 1.34 1.77

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

FIXLIIMTZ
FIX 1.00 0.25 0.72
LII 0.25 1.00 0.22
MTZ 0.72 0.22 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, FIX, LII and MTZ?

Comfort Systems Usa (FIX) is the largest by market capitalisation: Comfort Systems Usa (FIX) $43.04B, Lennox International (LII) $11.79B, Mastec (MTZ) $14.58B.

Which stock is cheaper, FIX, LII and MTZ?

Lennox International (LII) trades on the lowest price-to-earnings ratio (Comfort Systems Usa (FIX) 26.4x, Lennox International (LII) 15.7x, Mastec (MTZ) 30.1x). On next year's consensus earnings, Lennox International (LII) is cheapest (Comfort Systems Usa (FIX) 29.0x, Lennox International (LII) 15.4x, Mastec (MTZ) 18.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Mastec (MTZ) grew revenue fastest over the trailing twelve months: Comfort Systems Usa (FIX) -36.6%, Lennox International (LII) +1.9%, Mastec (MTZ) +25.7%.

Which company is more profitable?

Comfort Systems Usa (FIX) has the highest net margin (Comfort Systems Usa (FIX) 30.9%, Lennox International (LII) 13.8%, Mastec (MTZ) 2.8%). On return on invested capital, Lennox International (LII) leads (Comfort Systems Usa (FIX) 16.0%, Lennox International (LII) 27.6%, Mastec (MTZ) 9.5%).

Which stock has performed better?

Over the past year Comfort Systems Usa (FIX) returned the most: Comfort Systems Usa (FIX) +31.2%, Lennox International (LII) -28.6%, Mastec (MTZ) -19.8%. Over five years, Comfort Systems Usa (FIX) compounded fastest (Comfort Systems Usa (FIX) +70.8%/yr, Lennox International (LII) +3.1%/yr, Mastec (MTZ) +14.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Lennox International (LII) has the highest dividend yield: Comfort Systems Usa (FIX) 0.00%, Lennox International (LII) 0.02%, Mastec (MTZ) 0.00%. Mastec (MTZ) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Lennox International (LII) has been the steadiest (Comfort Systems Usa (FIX) 57.0%, Lennox International (LII) 42.8%, Mastec (MTZ) 53.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, FIX, LII and MTZ?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Comfort Systems Usa (FIX) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.