Comfort Systems USAFIX -1.42%85 Net-Net Working Capital is $-26.21 as of Mar. 2026. GuruFocus rates FIX with a GF Score™ of 85/100 and a GF Value™ of $676.18 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 485 Construction companies, Comfort Systems USA ranks worse than 206185.36% on this metric.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full. In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. This is a conservative way of estimating the company's value.
Comfort Systems USA's Net-Net Working Capital for the quarter that ended in Mar. 2026 was $-26.21.
The industry rank for Comfort Systems USA's Net-Net Working Capital or its related term are showing as below:
FIX's Price-to-Net-Net-Working-Capital is not ranked *
in the Construction industry.
Industry Median: 6.4 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
Comfort Systems USA (NYSE:FIX) Net-Net Working Capital Explanation
One research study, covering the years 1970 through 1983 showed that portfolios picked at the beginning of each year, and held for one year, returned 29.4 percent, on average, over the 13-year period, compared to 11.5 percent for the S&P 500 Index. Other studies of Graham's strategy produced similar results.
Benjamin Graham looked for companies whose market values were less than two-thirds of their net-net value. They are collected under our Net-Net screener.
Comfort Systems USA Net-Net Working Capital Related Terms
Comfort Systems USA Net-Net Working Capital Historical Data
* Premium members only.
The historical data trend for Comfort Systems USA's Net-Net Working Capital 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.
FIX vs EME, MTZ, PWR: Net-Net Working Capital Comparison
For the Engineering & Construction subindustry, Comfort Systems USA's Price-to-Net-Net-Working-Capital, along with its competitors' market caps and Price-to-Net-Net-Working-Capital 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 Price-to-Net-Net-Working-Capital vs Construction Industry
For the Construction industry and Industrials sector, Comfort Systems USA's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where Comfort Systems USA's Price-to-Net-Net-Working-Capital 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.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full.
In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. In "Security Analysis", preferred stock is dubbed "an imperfect creditorship position" that is best placed on the balance sheet alongside funded debt.
This is a conservative way of estimating the company's value.
What does a Net-Net Working Capital of $-26.21 mean?
Comfort Systems USA (FIX) has a Net-Net Working Capital of $-26.21 as of Mar. 2026. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Comfort Systems USA According to the industry distribution chart, Comfort Systems USA ranks #999999 out of 485 companies in the Construction industry.
Is Comfort Systems USA's Net-Net Working Capital too high?
Comfort Systems USA's current Net-Net Working Capital is $-26.21. Based on the distribution chart, Comfort Systems USA ranks #999999 out of 485 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 Net-Net Working Capital compare to EME and MTZ?
According to the Construction industry distribution chart, Comfort Systems USA ranks #999999 out of 485 companies for Net-Net Working Capital. This places Comfort Systems USA in the lower half of its industry. The industry median Net-Net Working Capital is 6.40. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net-Net Working Capital for a Construction company?
The median Net-Net Working Capital among Construction companies is 6.40, based on 485 companies in the industry. Companies in the top quartile (top 25%) have a Net-Net Working Capital significantly above this median, while those in the bottom quartile fall well below. However, Net-Net Working Capital should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Net-Net Working Capital mean?
A high Net-Net Working Capital can signal that a stock is expensive relative to its fundamentals. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Comfort Systems USA For the Construction industry, the median Net-Net Working Capital is 6.40 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Comfort Systems USA's current Net-Net Working Capital is $-26.21. 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 $676.18, compared to a current price of $1,756.09 — trading 159.7% above its estimated fair value. The current Net-Net Working Capital is $-26.21. 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 Net-Net Working Capital calculated?
Net-Net Working Capital is calculated from a company's financial statements. For Comfort Systems USA (FIX), the current Net-Net Working Capital is $-26.21 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 (FIX) Overvalued in 2026?
Based on GuruFocus' analysis, Comfort Systems USA stock appears to be overvalued.
The current stock price of $1,756.09 is trading 159.7% above its estimated GF Value™ of $676.18.
GuruFocus considers Comfort Systems USA to be Significantly Overvalued.
Key valuation signals for FIX:
Net-Net Working Capital: $-26.21
GF Value™: $676.18 vs. price of $1,756.09 (159.7% above fair value)
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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