Comfort Systems USAMEX:FIX 64 Days Inventory is 3.84 as of Mar. 2026, which is 51% above its 10-year median of 2.54. 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 1,486 Construction companies, Comfort Systems USA ranks better than 88.49% on this metric.
The historical rank and industry rank for Comfort Systems USA's Days Inventory or its related term are showing as below:
MEX:FIX'
s Days Inventory Range Over the Past 10 Years
Min: 1.86 Med: 2.54 Max: 4.37
Current: 3.76
During the past 13 years, Comfort Systems USA's highest Days Inventory was 4.37. The lowest was 1.86. And the median was 2.54.
MEX:FIX's Days Inventory is ranked better than 88.49% of 1486
companies
in the Construction industry
Industry Median: 50.81
vs MEX:FIX: 3.76
Comfort Systems USA's Days Inventory
declined
from Mar. 2025 (3.94) to Mar. 2026 (3.84).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Comfort Systems USA's Inventory Turnover for the
three
months ended in Mar. 2026 was 23.73.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Comfort Systems USA's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.03.
Comfort Systems USA (MEX:FIX) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Comfort Systems USA's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Comfort Systems USA's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Comfort Systems USA Days Inventory Related Terms
Comfort Systems USA Days Inventory Historical Data
* Premium members only.
The historical data trend for Comfort Systems USA's Days Inventory 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: Days Inventory Comparison
For the Engineering & Construction subindustry, Comfort Systems USA's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Construction Industry
For the Construction industry and Industrials sector, Comfort Systems USA's Days Inventory distribution charts can be found below:
* The bar in red indicates where Comfort Systems USA's Days Inventory 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 Days Inventory of 3.84 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Comfort Systems USA and its competitors. This is 51% above median its historical median of 2.54. Over the past decade, Comfort Systems USA's Days Inventory has ranged from 1.86 to 4.37. According to the industry distribution chart, Comfort Systems USA ranks #171 out of 1486 companies in the Construction industry, placing it in the top 11.5%.
Is Comfort Systems USA's Days Inventory too high?
Comfort Systems USA's current Days Inventory of 3.84 is 51% above median its 10-year median of 2.54. Over the past 10 years, this metric has ranged from a low of 1.86 to a high of 4.37. The Construction industry median Days Inventory is 50.81. Comfort Systems USA's value of 3.84 is 92.4% below this industry median. Based on the distribution chart, Comfort Systems USA ranks #171 out of 1486 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 Days Inventory compare to EME and MTZ?
According to the Construction industry distribution chart, Comfort Systems USA ranks #171 out of 1486 companies for Days Inventory. This places Comfort Systems USA in the top 12% of its industry — outperforming the majority of peers. The industry median Days Inventory is 50.81. Comfort Systems USA's value of 3.84 is 92.4% below this benchmark. Historically, Comfort Systems USA's own Days Inventory has ranged from 1.86 to 4.37 over the past decade. While the company's 10-year median is 2.54 vs. the industry median of 50.81, Comfort Systems USA has consistently been below 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 Days Inventory for a Construction company?
The median Days Inventory among Construction companies is 50.81, based on 1,486 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Comfort Systems USA's current Days Inventory of 3.84 is 92.4% below 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Comfort Systems USA and its competitors. For the Construction industry, the median Days Inventory is 50.81 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Comfort Systems USA's current Days Inventory is 3.84, which is 51% above median its own 10-year median of 2.54. 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 Days Inventory is 3.84, which is 51% above median its 10-year median of 2.54 and 92.4% below the Construction industry median of 50.81. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Comfort Systems USA (MEX:FIX), the current Days Inventory is 3.84 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:
Days Inventory: 3.84 (51% above median its 10-year median of 2.54)
GF Value™: MXN12,610.29 vs. price of MXN35,053.95 (178% above fair value)
Industry Position: 92.4% below the Construction median (#171 of 1486)
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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