Is Comfort Systems USA a Better Buy Than Quanta Services?
Quanta Services surged 18% during the past Month. You may be tempted to buy more, or may want to reduce your exposure. But there is an entirely different perspective you might be missing. Is there a better alternative? Turns out, its peer Comfort Systems USA gives you more. Comfort Systems USA (FIX) stock offers superior revenue growth across key periods, better profitability, and relatively lower valuation vs Quanta Services (PWR) stock, suggesting you may be better off investing in FIX
- FIX’s quarterly revenue growth was 35.2%, vs. PWR’s 17.5%.
- In addition, its Last 12 Months revenue growth came in at 27.7%, ahead of PWR’s 18.7%.
- FIX leads on profitability over both periods – LTM margin of 13.4% and 3-year average of 10.3%.
These differences become even clearer when you look at the financials side by side. The table highlights how PWR’s fundamentals stack up against those of FIX on growth, margins, momentum, and valuation multiples.

Valuation & Performance Overview
| PWR | FIX | Preferred | |
|---|---|---|---|
| Valuation | |||
| P/EBIT Ratio | 54.4 | 45.6 | FIX |
| Revenue Growth | |||
| Last Quarter | 17.5% | 35.2% | FIX |
| Last 12 Months | 18.7% | 27.7% | FIX |
| Last 3 Year Average | 17.9% | 29.0% | FIX |
| Operating Margins | |||
| Last 12 Months | 5.7% | 13.4% | FIX |
| Last 3 Year Average | 5.4% | 10.3% | FIX |
| Momentum | |||
| Last 3 Year Return | 253.2% | 891.4% | PWR |
Note: For “Last 3 Year Return” metric, preferred stock is one with higher returns unless the returns are too high (>300%) which creates risk of sell off.
See more revenue details: PWR Revenue Comparison | FIX Revenue Comparison
See more margin details: PWR Operating Income Comparison | FIX Operating Income Comparison
See detailed fundamentals on Buy or Sell FIX Stock and Buy or Sell PWR Stock. Below we compare market return and related metrics across years.
Historical Market Performance
| 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Total [1] | Avg | Best | |
|---|---|---|---|---|---|---|---|---|---|
| Returns | |||||||||
| PWR Return | 60% | 25% | 52% | 47% | 34% | 33% | 688% | ||
| FIX Return | 89% | 17% | 80% | 107% | 121% | 55% | 2720% | <=== | |
| S&P 500 Return | 27% | -19% | 24% | 23% | 16% | 1% | 85% | ||
| Monthly Win Rates [3] | |||||||||
| PWR Win Rate | 67% | 67% | 83% | 67% | 58% | 100% | 74% | ||
| FIX Win Rate | 75% | 42% | 83% | 75% | 75% | 100% | 75% | <=== | |
| S&P 500 Win Rate | 75% | 42% | 67% | 75% | 67% | 100% | 71% | ||
| Max Drawdowns [4] | |||||||||
| PWR Max Drawdown | -5% | -15% | -5% | -10% | -25% | -2% | -11% | ||
| FIX Max Drawdown | -2% | -24% | -3% | -5% | -30% | 0% | -11% | ||
| S&P 500 Max Drawdown | -1% | -25% | -1% | -2% | -15% | -1% | -7% | <=== | |
[1] Cumulative total returns since the beginning of 2021
[2] 2026 data is for the year up to 2/26/2026 (YTD)
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
No matter how good the numbers, stock investment is never a smooth ride. There is a risk you must factor in. Read FIX Dip Buyer Analyses and PWR Dip Buyer Analyses to see how these stocks have fallen and recovered in the past.
Still not sure about PWR or FIX? Consider portfolio approach.
Portfolios Over Individual Stock Picks
Single stocks swing wildly but staying invested matters. A well built portfolio helps you stay invested, captures upside and softens the blows from individual stocks.
Why settle for average market returns? The Trefis High Quality (HQ) Portfolio invests in a diverse group of 30 stocks that have collectively delivered stronger upside with reduced volatility compared to the broader indices. Discover the methodology behind these smoother, higher returns by checking the HQ Portfolio performance data.