Comfort Systems USA Inc vs Quanta Services Inc

Comfort Systems USA Inc (FIX) is overvalued and Quanta Services Inc (PWR) is overvalued.

Both trade above our estimate of their intrinsic value. FIX is the closer of the two: -73%, against -210% for PWR.

Values as of the 22 Sept 2026 close.

Comfort Systems USA Inc (FIX)

Discounting its cash flows at 12.3% (average of 3 methods) values the shares at $937.74; the price of $1625.13 is 73% above that value, and 68% of that value comes from beyond year five.

Leak Score 75/100 on 10 of 12 signals

Quanta Services Inc (PWR)

Discounting its cash flows at 10.6% (average of 3 methods) values the shares at $207.13; the price of $642.63 is 210% above that value, and 72% of that value comes from beyond year five.

Leak Score 55/100 on 10 of 12 signals

MetricFIXPWR
VerdictOvervaluedOvervalued
Price$1625.13$642.63
Intrinsic value$937.74$207.13
Margin of safety-73%-210%
Leak Score75/100 (10/12)55/100 (10/12)
Market cap$57.2B$96.6B
Revenue growth, 5 years26.1%20.5%
Operating margin16.4%6.4%
Net margin12.8%4.0%
Return on equity55.3%15.2%
Debt to equity0.110.69
P/E40.0x73.6x
Forward P/E27.0x32.7x
P/B17.8x10.0x
Dividend yield0.2%0.1%

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