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Side-by-side financial comparison of COMFORT SYSTEMS USA INC (FIX) and RESIDEO TECHNOLOGIES, INC. (REZI). Click either name above to swap in a different company.
COMFORT SYSTEMS USA INC is the larger business by last-quarter revenue ($2.6B vs $1.9B, roughly 1.4× RESIDEO TECHNOLOGIES, INC.). COMFORT SYSTEMS USA INC runs the higher net margin — 12.5% vs 7.2%, a 5.3% gap on every dollar of revenue. On growth, COMFORT SYSTEMS USA INC posted the faster year-over-year revenue change (41.7% vs 2.0%). COMFORT SYSTEMS USA INC produced more free cash flow last quarter ($402.4M vs $262.0M). Over the past eight quarters, COMFORT SYSTEMS USA INC's revenue compounded faster (31.2% CAGR vs 12.9%).
Comfort Systems USA, Inc. is an American company that provides mechanical and electrical contracting services, primarily HVAC, plumbing, piping and controls, off-site construction, monitoring and fire protection, and installation and servicing of electrical systems.
Resideo Technologies, Inc. is an American multinational company that was formed in 2018 out of a spin-off from Honeywell. It provides room air temperature, quality, and humidity control and security systems primarily in residential dwellings in the U.S. and internationally. The company operates in two segments: products and distribution. It manufactures and distributes smart-home and software products, including temperature and lighting control, security, and water and air monitoring. The com...
FIX vs REZI — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $2.6B | $1.9B |
| Net Profit | $330.8M | $136.0M |
| Gross Margin | 25.5% | 29.6% |
| Operating Margin | 16.1% | 7.4% |
| Net Margin | 12.5% | 7.2% |
| Revenue YoY | 41.7% | 2.0% |
| Net Profit YoY | 126.8% | 491.3% |
| EPS (diluted) | $9.35 | $0.99 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $2.6B | $1.9B | ||
| Q3 25 | $2.5B | $1.9B | ||
| Q2 25 | $2.2B | $1.9B | ||
| Q1 25 | $1.8B | $1.8B | ||
| Q4 24 | $1.9B | $1.9B | ||
| Q3 24 | $1.8B | $1.8B | ||
| Q2 24 | $1.8B | $1.6B | ||
| Q1 24 | $1.5B | $1.5B |
| Q4 25 | $330.8M | $136.0M | ||
| Q3 25 | $291.6M | $156.0M | ||
| Q2 25 | $230.8M | $-825.0M | ||
| Q1 25 | $169.3M | $6.0M | ||
| Q4 24 | $145.9M | $23.0M | ||
| Q3 24 | $146.2M | $20.0M | ||
| Q2 24 | $134.0M | $30.0M | ||
| Q1 24 | $96.3M | $43.0M |
| Q4 25 | 25.5% | 29.6% | ||
| Q3 25 | 24.8% | 29.8% | ||
| Q2 25 | 23.5% | 29.3% | ||
| Q1 25 | 22.0% | 28.9% | ||
| Q4 24 | 23.2% | 28.5% | ||
| Q3 24 | 21.1% | 28.7% | ||
| Q2 24 | 20.1% | 28.1% | ||
| Q1 24 | 19.3% | 26.9% |
| Q4 25 | 16.1% | 7.4% | ||
| Q3 25 | 15.5% | 8.3% | ||
| Q2 25 | 13.8% | 9.1% | ||
| Q1 25 | 11.4% | 7.7% | ||
| Q4 24 | 12.1% | 7.8% | ||
| Q3 24 | 11.2% | 6.9% | ||
| Q2 24 | 10.2% | 7.7% | ||
| Q1 24 | 8.8% | 8.6% |
| Q4 25 | 12.5% | 7.2% | ||
| Q3 25 | 11.9% | 8.4% | ||
| Q2 25 | 10.6% | -42.5% | ||
| Q1 25 | 9.2% | 0.3% | ||
| Q4 24 | 7.8% | 1.2% | ||
| Q3 24 | 8.1% | 1.1% | ||
| Q2 24 | 7.4% | 1.9% | ||
| Q1 24 | 6.3% | 2.9% |
| Q4 25 | $9.35 | $0.99 | ||
| Q3 25 | $8.25 | $0.85 | ||
| Q2 25 | $6.53 | $-5.59 | ||
| Q1 25 | $4.75 | $-0.02 | ||
| Q4 24 | $4.08 | $0.06 | ||
| Q3 24 | $4.09 | $0.07 | ||
| Q2 24 | $3.74 | $0.19 | ||
| Q1 24 | $2.69 | $0.29 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $981.9M | $661.0M |
| Total DebtLower is stronger | $145.2M | $3.2B |
| Stockholders' EquityBook value | $2.4B | $2.9B |
| Total Assets | $6.4B | $8.4B |
| Debt / EquityLower = less leverage | 0.06× | 1.11× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $981.9M | $661.0M | ||
| Q3 25 | $860.5M | $345.0M | ||
| Q2 25 | $331.7M | $753.0M | ||
| Q1 25 | $204.8M | $577.0M | ||
| Q4 24 | $549.9M | $692.0M | ||
| Q3 24 | $415.6M | $531.0M | ||
| Q2 24 | $199.4M | $413.0M | ||
| Q1 24 | $100.8M | $603.0M |
| Q4 25 | $145.2M | $3.2B | ||
| Q3 25 | $136.0M | $3.2B | ||
| Q2 25 | $73.0M | $2.0B | ||
| Q1 25 | $67.8M | $2.0B | ||
| Q4 24 | $68.3M | $2.0B | ||
| Q3 24 | $62.3M | $2.0B | ||
| Q2 24 | $73.4M | $2.0B | ||
| Q1 24 | $77.0M | $1.4B |
| Q4 25 | $2.4B | $2.9B | ||
| Q3 25 | $2.2B | $2.8B | ||
| Q2 25 | $2.0B | $2.6B | ||
| Q1 25 | $1.8B | $3.3B | ||
| Q4 24 | $1.7B | $3.3B | ||
| Q3 24 | $1.6B | $3.4B | ||
| Q2 24 | $1.5B | $3.3B | ||
| Q1 24 | $1.4B | $2.8B |
| Q4 25 | $6.4B | $8.4B | ||
| Q3 25 | $5.8B | $8.2B | ||
| Q2 25 | $5.1B | $8.5B | ||
| Q1 25 | $4.6B | $8.1B | ||
| Q4 24 | $4.7B | $8.2B | ||
| Q3 24 | $4.4B | $8.1B | ||
| Q2 24 | $4.2B | $8.0B | ||
| Q1 24 | $3.9B | $6.5B |
| Q4 25 | 0.06× | 1.11× | ||
| Q3 25 | 0.06× | 1.17× | ||
| Q2 25 | 0.04× | 0.77× | ||
| Q1 25 | 0.04× | 0.60× | ||
| Q4 24 | 0.04× | 0.61× | ||
| Q3 24 | 0.04× | 0.60× | ||
| Q2 24 | 0.05× | 0.61× | ||
| Q1 24 | 0.06× | 0.51× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $468.5M | $299.0M |
| Free Cash FlowOCF − Capex | $402.4M | $262.0M |
| FCF MarginFCF / Revenue | 15.2% | 13.8% |
| Capex IntensityCapex / Revenue | 2.5% | 2.0% |
| Cash ConversionOCF / Net Profit | 1.42× | 2.20× |
| TTM Free Cash FlowTrailing 4 quarters | $1.0B | $-1.3B |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $468.5M | $299.0M | ||
| Q3 25 | $553.3M | $-1.6B | ||
| Q2 25 | $252.5M | $200.0M | ||
| Q1 25 | $-88.0M | $-65.0M | ||
| Q4 24 | $210.5M | $203.0M | ||
| Q3 24 | $302.2M | $147.0M | ||
| Q2 24 | $189.9M | $92.0M | ||
| Q1 24 | $146.6M | $2.0M |
| Q4 25 | $402.4M | $262.0M | ||
| Q3 25 | $517.9M | $-1.6B | ||
| Q2 25 | $221.2M | $180.0M | ||
| Q1 25 | $-110.2M | $-96.0M | ||
| Q4 24 | $169.8M | $181.0M | ||
| Q3 24 | $280.1M | $125.0M | ||
| Q2 24 | $166.5M | $77.0M | ||
| Q1 24 | $121.6M | $-19.0M |
| Q4 25 | 15.2% | 13.8% | ||
| Q3 25 | 21.1% | -85.8% | ||
| Q2 25 | 10.2% | 9.3% | ||
| Q1 25 | -6.0% | -5.4% | ||
| Q4 24 | 9.1% | 9.7% | ||
| Q3 24 | 15.5% | 6.8% | ||
| Q2 24 | 9.2% | 4.8% | ||
| Q1 24 | 7.9% | -1.3% |
| Q4 25 | 2.5% | 2.0% | ||
| Q3 25 | 1.4% | 1.5% | ||
| Q2 25 | 1.4% | 1.0% | ||
| Q1 25 | 1.2% | 1.8% | ||
| Q4 24 | 2.2% | 1.2% | ||
| Q3 24 | 1.2% | 1.2% | ||
| Q2 24 | 1.3% | 0.9% | ||
| Q1 24 | 1.6% | 1.4% |
| Q4 25 | 1.42× | 2.20× | ||
| Q3 25 | 1.90× | -10.07× | ||
| Q2 25 | 1.09× | — | ||
| Q1 25 | -0.52× | -10.83× | ||
| Q4 24 | 1.44× | 8.83× | ||
| Q3 24 | 2.07× | 7.35× | ||
| Q2 24 | 1.42× | 3.07× | ||
| Q1 24 | 1.52× | 0.05× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
FIX
| Electrical Segment | $823.7M | 31% |
| Manufacturing Customer | $542.7M | 21% |
| Existing Building Construction | $491.4M | 19% |
| Healthcare Sector Customer | $220.8M | 8% |
| Service Projects | $153.0M | 6% |
| Education | $137.5M | 5% |
| Government Customer | $131.0M | 5% |
| Office Building Customer | $88.2M | 3% |
| Other Customer | $40.7M | 2% |
| Multi Family And Residential | $33.7M | 1% |
REZI
| ADI Global Distribution Segment | $1.2B | 62% |
| Safety And Security | $257.0M | 14% |
| Air | $211.0M | 11% |
| Energy Service | $153.0M | 8% |
| Public Utilities Inventory Water | $91.0M | 5% |
