Comfort Systems USAMEX:FIX 64 FCF Margin % is 8.42% as of Mar. 2026, which is 45% above its 10-year median of 5.80. GuruFocus rates MEX:FIX with a GF Score™ of 64/100 and a GF Value™ of MXN12,610.29 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,771 Construction companies, Comfort Systems USA ranks better than 83.85% on this metric.
The historical rank and industry rank for Comfort Systems USA's FCF Margin % or its related term are showing as below:
MEX:FIX'
s FCF Margin % Range Over the Past 10 Years
Min: 4.16 Med: 5.8 Max: 13.67
Current: 13.67
During the past 13 years, the highest FCF Margin % of Comfort Systems USA was 13.67%. The lowest was 4.16%. And the median was 5.80%.
MEX:FIX's FCF Margin % is ranked better than 83.85% of 1771
companies
in the Construction industry
Industry Median: 2.62
vs MEX:FIX: 13.67
Comfort Systems USA FCF Margin % Related Terms
Comfort Systems USA FCF Margin % Historical Data
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The historical data trend for Comfort Systems USA's FCF Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
MEX:FIX vs EME, MTZ, STRL: FCF Margin % Comparison
For the Engineering & Construction subindustry, Comfort Systems USA's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Comfort Systems USA FCF Margin % vs Construction Industry
For the Construction industry and Industrials sector, Comfort Systems USA's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Comfort Systems USA's FCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Comfort Systems USA (MEX:FIX) has a FCF Margin % of 8.42% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Comfort Systems USA and its competitors. This is 45% above median its historical median of 5.80. Over the past decade, Comfort Systems USA's FCF Margin % has ranged from 4.16 to 13.67. According to the industry distribution chart, Comfort Systems USA ranks #286 out of 1771 companies in the Construction industry, placing it in the top 16.1%.
Is Comfort Systems USA's FCF Margin % too high?
Comfort Systems USA's current FCF Margin % of 8.42% is 45% above median its 10-year median of 5.80. Over the past 10 years, this metric has ranged from a low of 4.16 to a high of 13.67. The Construction industry median FCF Margin % is 2.62. Comfort Systems USA's value of 8.42% is 221.4% above this industry median. Based on the distribution chart, Comfort Systems USA ranks #286 out of 1771 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Comfort Systems USA has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Comfort Systems USA's FCF Margin % compare to EME and MTZ?
According to the Construction industry distribution chart, Comfort Systems USA ranks #286 out of 1771 companies for FCF Margin %. This places Comfort Systems USA in the top 16% of its industry — outperforming the majority of peers. The industry median FCF Margin % is 2.62. Comfort Systems USA's value of 8.42% is 221.4% above this benchmark. Historically, Comfort Systems USA's own FCF Margin % has ranged from 4.16 to 13.67 over the past decade. While the company's 10-year median is 5.80 vs. the industry median of 2.62, Comfort Systems USA has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Construction company?
The median FCF Margin % among Construction companies is 2.62, based on 1,771 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Comfort Systems USA's current FCF Margin % of 8.42% is 221.4% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Comfort Systems USA and its competitors. For the Construction industry, the median FCF Margin % is 2.62 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Comfort Systems USA's current FCF Margin % is 8.42%, which is 45% above median its own 10-year median of 5.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Comfort Systems USA stock overvalued right now?
Based on GuruFocus' analysis, Comfort Systems USA (MEX:FIX) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN12,610.29, compared to a current price of MXN35,053.95 — trading 178% above its estimated fair value. The current FCF Margin % is 8.42%, which is 45% above median its 10-year median of 5.80 and 221.4% above the Construction industry median of 2.62. Comfort Systems USA's overall GF Score™ is 64/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Comfort Systems USA (MEX:FIX), the current FCF Margin % is 8.42% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Comfort Systems USA (MEX:FIX) Overvalued in 2026?
Based on GuruFocus' analysis, Comfort Systems USA stock appears to be overvalued.
The current stock price of MXN35,053.95 is trading 178% above its estimated GF Value™ of MXN12,610.29.
GuruFocus considers Comfort Systems USA to be Significantly Overvalued.
Key valuation signals for MEX:FIX:
FCF Margin %: 8.42% (45% above median its 10-year median of 5.80)
GF Value™: MXN12,610.29 vs. price of MXN35,053.95 (178% above fair value)
Industry Position: 221.4% above the Construction median (#286 of 1771)
No single metric tells the full story. See the MEX:FIX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Comfort Systems USA Inc provides comprehensive mechanical contracting services, including heating, ventilation, & air conditioning, or HVAC; plumbing; piping & controls; construction; and other electrical components. Projects are mainly for commercial, industrial, & institutional buildings, & tend to be geared toward HVAC. Revenue is roughly split between installation services for newly constructed facilities & maintenance services for existing buildings. The company installs & repairs products and systems throughout the United States. It operates in two segments, Mechanical services & Electrical services, the majority is from the Mechanical services segment.
64GF Score
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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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