---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-113483"
form_type: "8-K"
ticker: "FIX"
cik: "0001035983"
company_name: "COMFORT SYSTEMS USA INC"
filed_at: "2024-11-01T23:59:59+00:00"
generated_at: "2026-05-30T06:47:46.409770+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Comfort Systems USA posts record Q3 2024 revenue $1.81B, EPS $4.09, backlog $5.68B

## Summary
- Nine-month YTD 2024 revenue $5,159.7M (+34% YoY); net income $376.6M; diluted EPS $10.52; adjusted EBITDA $630.8M.
- Q3 2024 revenue $1,812.4M; net income $146.2M; diluted EPS $4.09; adjusted EBITDA $238.3M; operating cash flow $302.2M.
- Construction backlog $5,681M at Q3 2024, up from $5,157M at FY 2023; service maintenance base $173M.
- Cash $415.6M, total debt $68.4M, debt/TTM EBITDA 0.09; no borrowings on $850M credit facility (2027 maturity).
- Key end-markets: data centers, chip manufacturing, life sciences; backlog driven by technology (32%) and manufacturing (28%).

## SEC filing metadata
- accession: 0001104659-24-113483
- form_type: 8-K
- ticker: FIX
- cik: 0001035983
- company_name: COMFORT SYSTEMS USA INC
- filed_at: 2024-11-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035983/000110465924113483/0001104659-24-113483-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035983/000110465924113483/tm2427220d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-113483
- JSON: https://secwatch.observer/filing/0001104659-24-113483.json
- Plain text: https://secwatch.observer/filing/0001104659-24-113483.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.