FIX (Comfort Systems USA) Change In Inventory: $-30 Mil (TTM As of Mar. 2026)

What is Comfort Systems USA Change In Inventory?

Comfort Systems USA FIX -6.64% 85 Change In Inventory is $-30 Mil as of Mar. 2026. GuruFocus rates FIX with a GF Score™ of 85/100 and a GF Value™ of $670.34 (Significantly Overvalued). The stock has 1 warning sign investors should review.

Comfort Systems USA's change in inventory for the quarter that ended in Mar. 2026 was $-10 Mil. It means Comfort Systems USA's inventory increased by $10 Mil from Dec. 2025 to Mar. 2026 .

Comfort Systems USA's change in inventory for the fiscal year that ended in Dec. 2025 was $-24 Mil. It means Comfort Systems USA's inventory increased by $24 Mil from Dec. 2024 to Dec. 2025 .

Comfort Systems USA's Total Inventories for the quarter that ended in Mar. 2026 was $94 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Comfort Systems USA's Days Inventory for the quarter that ended in Mar. 2026 was 3.85.

Inventory Turnover measures how fast the company turns over its inventory within a year. Comfort Systems USA's Inventory Turnover for the quarter that ended in Mar. 2026 was 23.72.

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 quarter that ended in Mar. 2026 was 0.03.

Comfort Systems USA (NYSE:FIX) Change In Inventory Explanation

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Comfort Systems USA's Days Inventory for the quarter that ended in is calculated as:

Days Inventory	=	Average Total Inventories	/	Cost of Goods Sold	*	Days in Period
	=	89.0065	/	2110.92	*	365 / 4
	=	3.85

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Comfort Systems USA's Inventory Turnover for the quarter that ended in Mar. 2026 is calculated as

Inventory Turnover	=	Cost of Goods Sold	/	Average Total Inventories
	=	2110.92	/	89.0065
	=	23.72

3. 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 quarter that ended in Mar. 2026 is calculated as

Inventory-to-Revenue	=	Average Total Inventories	/	Revenue
	=	89.0065	/	2865.332
	=	0.03

* 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 Change In Inventory Related Terms

Comfort Systems USA Change In Inventory Historical Data

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The historical data trend for Comfort Systems USA's Change In Inventory can be seen below:

Comfort Systems USA Change In Inventory Chart

Comfort Systems USA Annual Data

Trend

Dec16

Dec17

Dec18

Dec19

Dec20

Dec21

Dec22

Dec23

Dec24

Dec25

Change In Inventory

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-5.65

-13.50

-29.69

6.54

-24.41

Comfort Systems USA Quarterly Data
	Jun21	Sep21	Dec21	Mar22	Jun22	Sep22	Dec22	Mar23	Jun23	Sep23	Dec23	Mar24	Jun24	Sep24	Dec24	Mar25	Jun25	Sep25	Dec25	Mar26
Change In Inventory	Get a 7-Day Free Trial															-3.82	-7.60	-8.10	-4.89	-9.88

85GF Score

Comfort Systems USA Inc FIX

Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.

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Comfort Systems USA Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-30 Mil.

Frequently Asked Questions Learn more about Change In Inventory →

What does a Change In Inventory of $-30 Mil mean?

Comfort Systems USA (FIX) has a Change In Inventory of $-30 Mil as of Mar. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Comfort Systems USA and its competitors.

Is Comfort Systems USA's Change In Inventory too high?

Comfort Systems USA's current Change In Inventory is $-30 Mil. 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 Change In Inventory compare to EME and MTZ?

Comfort Systems USA's Change In Inventory of $-30 Mil can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.

What is a good Change In Inventory for a Construction company?

A good Change In Inventory depends on the Construction industry context. However, Change In Inventory 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 Change In Inventory mean?

A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Comfort Systems USA and its competitors. Comfort Systems USA's current Change In Inventory is $-30 Mil. 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 $670.34, compared to a current price of $1,741.30 — trading 159.8% above its estimated fair value. The current Change In Inventory is $-30 Mil. 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 Change In Inventory calculated?

Change In Inventory is calculated from a company's financial statements. For Comfort Systems USA (FIX), the current Change In Inventory is $-30 Mil 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 $1,741.30 is trading 159.8% above its estimated GF Value™ of $670.34. GuruFocus considers Comfort Systems USA to be Significantly Overvalued.

Key valuation signals for FIX:

Change In Inventory: $-30 Mil
GF Value™: $670.34 vs. price of $1,741.30 (159.8% above fair value)
GF Score™: 85/100 with 1 warning sign

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 Business Description

Industry Industrials Construction

Comparable Companies EME MTZ PWR STRL APG J DY IESC BLD AGX XPAR:DG NSE:LT XKRX:028260 XAMS:FER XTER:HOT XMAD:ACS SHSE:601668 XPAR:EN TSX:WSP XMAD:ANA

Other Exchanges FIX:Mexico 1FIX:Italy 9CF:Germany

Address 9753 Katy Freeway, Suite 700, Houston, TX, USA, 77024

Website https://www.comfortsystemsusa.com

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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Change In Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$1,741.30

Price

$670.34

GF Value

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