---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-113382"
form_type: "8-K"
ticker: "FIX"
cik: "0001035983"
company_name: "COMFORT SYSTEMS USA INC"
filed_at: "2023-11-01T23:59:59+00:00"
generated_at: "2026-06-09T01:52:02.123899+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Comfort Systems reports Q3 revenue $1,378M, net income $105M, EPS $2.93; backlog $4.29B

## Summary
- Q3 revenue $1,378.1M, net income $105.1M, diluted EPS $2.93 (adjusted $2.74); YoY revenue +23%.
- Nine-month revenue $3,849.2M, net income $231.8M, diluted EPS $6.46 (adjusted $6.19); YoY revenue +27%.
- Backlog at Q3 2023: $4,288M, up from $4,064M at year-end 2022; service maintenance base $164M.
- Operating cash flow TTM $598.6M; net debt near zero (debt/TTM EBITDA 0.10x); cash $137.6M.
- Capital returned YTD 2023: $21.5M dividends, $8.6M buybacks; dividend increased 11 consecutive years.

## SEC filing metadata
- accession: 0001104659-23-113382
- form_type: 8-K
- ticker: FIX
- cik: 0001035983
- company_name: COMFORT SYSTEMS USA INC
- filed_at: 2023-11-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035983/000110465923113382/0001104659-23-113382-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035983/000110465923113382/tm2329465d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-113382
- JSON: https://secwatch.observer/filing/0001104659-23-113382.json
- Plain text: https://secwatch.observer/filing/0001104659-23-113382.txt

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