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Comfort Systems USAFIX +2.69%85 Shiller PE Ratio is 164.88 as of Aug. 16, 2026, which is 246% above its 10-year median of 47.65. GuruFocus rates FIX with a GF Score™ of 85/100 and a GF Value™ of $786.62 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 1,045 Construction companies, Comfort Systems USA ranks worse than 96.36% on this metric.
The historical rank and industry rank for Comfort Systems USA's Shiller PE Ratio or its related term are showing as below:
FIX'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 24.29 Med: 47.65 Max: 210.65
Current: 164.95
During the past years, Comfort Systems USA's highest Shiller PE Ratio was 210.65. The lowest was 24.29. And the median was 47.65.
FIX's Shiller PE Ratio is ranked worse than 96.36% of 1045
companies
in the Construction industry
Industry Median: 16.76
vs FIX: 164.95
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Comfort Systems USA's adjusted earnings per share data for the three months ended in Jun. 2026 was $12.530. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $10.76 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Comfort Systems USA (NYSE:FIX) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Comfort Systems USA Shiller PE Ratio Related Terms
Comfort Systems USA Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Comfort Systems USA's Shiller PE Ratio 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.
For the Engineering & Construction subindustry, Comfort Systems USA's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio 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 Shiller PE Ratio vs Construction Industry
For the Construction industry and Industrials sector, Comfort Systems USA's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Comfort Systems USA's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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.
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
Comfort Systems USA (FIX) has a Shiller PE Ratio of 164.88 as of Aug. 16, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Comfort Systems USA and its competitors. This is 246% above median its historical median of 47.65. Over the past decade, Comfort Systems USA's Shiller PE Ratio has ranged from 24.29 to 210.65. According to the industry distribution chart, Comfort Systems USA ranks #1007 out of 1045 companies in the Construction industry, placing it in the top 96.4%.
Is Comfort Systems USA's Shiller PE Ratio too high?
Comfort Systems USA's current Shiller PE Ratio of 164.88 is 246% above median its 10-year median of 47.65. Over the past 10 years, this metric has ranged from a low of 24.29 to a high of 210.65. The Construction industry median Shiller PE Ratio is 16.76. Comfort Systems USA's value of 164.88 is 883.8% above this industry median. Based on the distribution chart, Comfort Systems USA ranks #1007 out of 1045 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Comfort Systems USA has a GF Score™ of 85/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Comfort Systems USA's Shiller PE Ratio compare to EME and PWR?
According to the Construction industry distribution chart, Comfort Systems USA ranks #1007 out of 1045 companies for Shiller PE Ratio. This places Comfort Systems USA in the lower half of its industry. The industry median Shiller PE Ratio is 16.76. Comfort Systems USA's value of 164.88 is 883.8% above this benchmark. Historically, Comfort Systems USA's own Shiller PE Ratio has ranged from 24.29 to 210.65 over the past decade. While the company's 10-year median is 47.65 vs. the industry median of 16.76, 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 Shiller PE Ratio for a Construction company?
The median Shiller PE Ratio among Construction companies is 16.76, based on 1,045 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Comfort Systems USA's current Shiller PE Ratio of 164.88 is 883.8% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Comfort Systems USA and its competitors. For the Construction industry, the median Shiller PE Ratio is 16.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Comfort Systems USA's current Shiller PE Ratio is 164.88, which is 246% above median its own 10-year median of 47.65. 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 (FIX) is currently considered Significantly Overvalued. The stock's GF Value™ is $786.62, compared to a current price of $1,774.06 — trading 125.5% above its estimated fair value. The current Shiller PE Ratio is 164.88, which is 246% above median its 10-year median of 47.65 and 883.8% above the Construction industry median of 16.76. Comfort Systems USA's overall GF Score™ is 85/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Comfort Systems USA (FIX), the current Shiller PE Ratio is 164.88 as of Aug. 16, 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 (FIX) Overvalued in 2026?
Based on GuruFocus' analysis, Comfort Systems USA stock appears to be overvalued.
The current stock price of $1,774.06 is trading 125.5% above its estimated GF Value™ of $786.62.
GuruFocus considers Comfort Systems USA to be Significantly Overvalued.
Key valuation signals for FIX:
Shiller PE Ratio: 164.88 (246% above median its 10-year median of 47.65)
GF Value™: $786.62 vs. price of $1,774.06 (125.5% above fair value)
Industry Position: 883.8% above the Construction median (#1007 of 1045)
No single metric tells the full story. See the 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.
85GF Score
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