U.S. MEP contractor
Comfort Systems USA, Inc.
Comfort Systems USA earns revenue by installing and servicing mechanical and electrical systems for data centers, manufacturing plants, healthcare facilities, and educational buildings. It procures HVAC equipment and control systems and expands its workforce and service reach through acquisitions of regional specialty contractors.
FIX Updated Sep 11, 2026 4 AI consumers· 2 recurring
Per the valuechain.wiki graph, Comfort Systems USA, Inc. is directly linked to 2 companies (2 supply, 0 revenue relationships) and reaches 4 companies within two hops; the links are backed by 6 dated sources, 1 of them primary filings (as of 2026-09-11).
Financials & Segments
- Total revenue · FY2025 total revenue of $9.101641 billion (SEC Form 10-K XBRL)
- Segments · Mechanical segment · Electrical segment
Revenue from
- Technology customers (data centers and chip manufacturing) High confidence· Amount $4.1B · FY2025 · Revenue generated from technology customers
Technology customers generated $4.098854 billion, or 45.0% of consolidated FY2025 revenue. The filing says demand was especially strong in data centers, while the company's investor presentation defines this market as data centers and chip manufacturing.Confirms EN Comfort Systems USA Published Feb 20, 2026: Comfort Systems USA Investor Presentation, February 2026 - Major mechanical-segment customer (undisclosed) High confidence· Revenue share 12.8% · FY2025 · Share of consolidated revenue generated from one undisclosed customer
One undisclosed customer accounted for 12.8% of FY2025 consolidated revenue, all within the mechanical segment. Korean market analysis attributes the company's growth to hyperscale data-center projects, but the filing does not identify the customer.
Pays to
- Trane Technologies High confidence
Trane is a principal manufacturer of chillers and rooftop HVAC units installed by Comfort Systems USA in commercial MEP systems. The Southwest operation separately confirmed a strategic partnership with Trane, but purchase value was not disclosed.Confirms EN Comfort Systems USA Southwest Published Nov 18, 2021: Comfort Systems USA Southwest Response to RFP #32-21 - Carrier Global High confidence
Carrier is a principal manufacturer of chillers and rooftop HVAC units used by Comfort Systems USA in commercial MEP systems. Supplier-specific purchase value and contract terms were not disclosed.
Investments
- Feyen-Zylstra Holdings, LLC High confidence· Contract value $110M · transaction completed 2025-10-01 · Preliminary total purchase price for Feyen-Zylstra Holdings
Comfort Systems USA acquired Feyen Zylstra in October 2025, adding electrical design, installation, and maintenance capabilities for industrial, technology, and healthcare customers. The SEC filing reports a preliminary total purchase price of $109.8 million.Confirms EN EdgePoint Published Dec 21, 2025: Commercial & Facility Services Flash Report, December 2025Confirms EN Comfort Systems USA Published Oct 23, 2025: Comfort Systems USA Reports Third Quarter 2025 Results
Value-chain ripple (2 tiers)
Following node-to-node links up to 2 tiers; each firm is shown once, at its nearest tier.
| Company | Chain | '21 | '22 | '23 | '24 | '25 | YTD |
|---|---|---|---|---|---|---|---|
| Comfort Systems USA, Inc. | node | +89 | +17 | +79.6 | +106.9 | +120.9 | +72.8 |
| Trane Technologies | benef1 | +41 | -15.3 | +47.4 | +53 | +6.1 | +15.6 |
| Carrier Global Corporation | benef1 | +45.3 | -22.7 | +41.5 | +20.3 | -21.8 | +14.3 |
| Amazon | benef2 | +2.4 | -49.6 | +80.9 | +44.4 | +5.2 | +12 |
| Honeywell Technologies | benef2 | -0.3 | +4.9 | +0 | +10 | -6.4 | +3.8 |
YTD as of 2026-09-04 · source: Yahoo Finance
Comfort Systems USA, Inc. operates across U.S. MEP contractor. After a spike of +106.9% in 2024, gains cooled to +120.9% in 2025 and +72.8% in 2026. The stock (+72.8%) and its supply side (avg +15.6%) are moving in step. It procures HVAC equipment and control systems and expands its workforce and service reach through acquisitions of regional specialty contractors.
Analysis generated from returns as of 2026-09-04