vs
Side-by-side financial comparison of Canadian Solar Inc. (CSIQ) and COMFORT SYSTEMS USA INC (FIX). Click either name above to swap in a different company.
Canadian Solar Inc. is the larger business by last-quarter revenue ($4.5B vs $2.6B, roughly 1.7× COMFORT SYSTEMS USA INC). COMFORT SYSTEMS USA INC runs the higher net margin — 12.5% vs 1.3%, a 11.2% gap on every dollar of revenue.
Canadian Solar Inc. is a global renewable energy company. Headquartered in Kitchener, Ontario, the company manufactures solar PV modules, provides battery energy storage solutions and develops utility-scale solar power and battery energy storage projects.
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.
CSIQ vs FIX — Head-to-Head
Income Statement — Q3 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $4.5B | $2.6B |
| Net Profit | $57.6M | $330.8M |
| Gross Margin | 17.5% | 25.5% |
| Operating Margin | 2.2% | 16.1% |
| Net Margin | 1.3% | 12.5% |
| Revenue YoY | — | 41.7% |
| Net Profit YoY | — | 126.8% |
| EPS (diluted) | — | $9.35 |
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 | ||
| Q3 25 | $4.5B | $2.5B | ||
| Q2 25 | $3.0B | $2.2B | ||
| Q1 25 | $1.3B | $1.8B | ||
| Q4 24 | — | $1.9B | ||
| Q3 24 | $5.9B | $1.8B | ||
| Q2 24 | $4.1B | $1.8B | ||
| Q1 24 | — | $1.5B |
| Q4 25 | — | $330.8M | ||
| Q3 25 | $57.6M | $291.6M | ||
| Q2 25 | $63.6M | $230.8M | ||
| Q1 25 | $36.2M | $169.3M | ||
| Q4 24 | — | $145.9M | ||
| Q3 24 | $366.8M | $146.2M | ||
| Q2 24 | $304.4M | $134.0M | ||
| Q1 24 | — | $96.3M |
| Q4 25 | — | 25.5% | ||
| Q3 25 | 17.5% | 24.8% | ||
| Q2 25 | 18.0% | 23.5% | ||
| Q1 25 | 19.0% | 22.0% | ||
| Q4 24 | — | 23.2% | ||
| Q3 24 | 18.0% | 21.1% | ||
| Q2 24 | 18.7% | 20.1% | ||
| Q1 24 | — | 19.3% |
| Q4 25 | — | 16.1% | ||
| Q3 25 | 2.2% | 15.5% | ||
| Q2 25 | 3.3% | 13.8% | ||
| Q1 25 | 3.7% | 11.4% | ||
| Q4 24 | — | 12.1% | ||
| Q3 24 | 7.7% | 11.2% | ||
| Q2 24 | 9.1% | 10.2% | ||
| Q1 24 | — | 8.8% |
| Q4 25 | — | 12.5% | ||
| Q3 25 | 1.3% | 11.9% | ||
| Q2 25 | 2.1% | 10.6% | ||
| Q1 25 | 2.7% | 9.2% | ||
| Q4 24 | — | 7.8% | ||
| Q3 24 | 6.2% | 8.1% | ||
| Q2 24 | 7.5% | 7.4% | ||
| Q1 24 | — | 6.3% |
| Q4 25 | — | $9.35 | ||
| Q3 25 | — | $8.25 | ||
| Q2 25 | — | $6.53 | ||
| Q1 25 | — | $4.75 | ||
| Q4 24 | — | $4.08 | ||
| Q3 24 | — | $4.09 | ||
| Q2 24 | — | $3.74 | ||
| Q1 24 | — | $2.69 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.7B | $981.9M |
| Total DebtLower is stronger | — | $145.2M |
| Stockholders' EquityBook value | $3.9B | $2.4B |
| Total Assets | $13.5B | $6.4B |
| Debt / EquityLower = less leverage | — | 0.06× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $981.9M | ||
| Q3 25 | $1.7B | $860.5M | ||
| Q2 25 | $1.7B | $331.7M | ||
| Q1 25 | $1.7B | $204.8M | ||
| Q4 24 | — | $549.9M | ||
| Q3 24 | $1.9B | $415.6M | ||
| Q2 24 | $1.9B | $199.4M | ||
| Q1 24 | — | $100.8M |
| Q4 25 | — | $145.2M | ||
| Q3 25 | — | $136.0M | ||
| Q2 25 | — | $73.0M | ||
| Q1 25 | — | $67.8M | ||
| Q4 24 | — | $68.3M | ||
| Q3 24 | — | $62.3M | ||
| Q2 24 | — | $73.4M | ||
| Q1 24 | — | $77.0M |
| Q4 25 | — | $2.4B | ||
| Q3 25 | $3.9B | $2.2B | ||
| Q2 25 | $3.9B | $2.0B | ||
| Q1 25 | $3.9B | $1.8B | ||
| Q4 24 | — | $1.7B | ||
| Q3 24 | $3.7B | $1.6B | ||
| Q2 24 | $3.7B | $1.5B | ||
| Q1 24 | — | $1.4B |
| Q4 25 | — | $6.4B | ||
| Q3 25 | $13.5B | $5.8B | ||
| Q2 25 | $13.5B | $5.1B | ||
| Q1 25 | $13.5B | $4.6B | ||
| Q4 24 | — | $4.7B | ||
| Q3 24 | $11.9B | $4.4B | ||
| Q2 24 | $11.9B | $4.2B | ||
| Q1 24 | — | $3.9B |
| Q4 25 | — | 0.06× | ||
| Q3 25 | — | 0.06× | ||
| Q2 25 | — | 0.04× | ||
| Q1 25 | — | 0.04× | ||
| Q4 24 | — | 0.04× | ||
| Q3 24 | — | 0.04× | ||
| Q2 24 | — | 0.05× | ||
| Q1 24 | — | 0.06× |
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 | $-187.7M | $468.5M |
| Free Cash FlowOCF − Capex | — | $402.4M |
| FCF MarginFCF / Revenue | — | 15.2% |
| Capex IntensityCapex / Revenue | — | 2.5% |
| Cash ConversionOCF / Net Profit | -3.26× | 1.42× |
| TTM Free Cash FlowTrailing 4 quarters | — | $1.0B |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $468.5M | ||
| Q3 25 | $-187.7M | $553.3M | ||
| Q2 25 | — | $252.5M | ||
| Q1 25 | — | $-88.0M | ||
| Q4 24 | — | $210.5M | ||
| Q3 24 | — | $302.2M | ||
| Q2 24 | — | $189.9M | ||
| Q1 24 | — | $146.6M |
| Q4 25 | — | $402.4M | ||
| Q3 25 | — | $517.9M | ||
| Q2 25 | — | $221.2M | ||
| Q1 25 | — | $-110.2M | ||
| Q4 24 | — | $169.8M | ||
| Q3 24 | — | $280.1M | ||
| Q2 24 | — | $166.5M | ||
| Q1 24 | — | $121.6M |
| Q4 25 | — | 15.2% | ||
| Q3 25 | — | 21.1% | ||
| Q2 25 | — | 10.2% | ||
| Q1 25 | — | -6.0% | ||
| Q4 24 | — | 9.1% | ||
| Q3 24 | — | 15.5% | ||
| Q2 24 | — | 9.2% | ||
| Q1 24 | — | 7.9% |
| Q4 25 | — | 2.5% | ||
| Q3 25 | — | 1.4% | ||
| Q2 25 | — | 1.4% | ||
| Q1 25 | — | 1.2% | ||
| Q4 24 | — | 2.2% | ||
| Q3 24 | — | 1.2% | ||
| Q2 24 | — | 1.3% | ||
| Q1 24 | — | 1.6% |
| Q4 25 | — | 1.42× | ||
| Q3 25 | -3.26× | 1.90× | ||
| Q2 25 | — | 1.09× | ||
| Q1 25 | — | -0.52× | ||
| Q4 24 | — | 1.44× | ||
| Q3 24 | — | 2.07× | ||
| Q2 24 | — | 1.42× | ||
| Q1 24 | — | 1.52× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
CSIQ
Segment breakdown not available.
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% |
