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Side-by-side financial comparison of EnerSys (ENS) and WATTS WATER TECHNOLOGIES INC (WTS). Click either name above to swap in a different company.
EnerSys is the larger business by last-quarter revenue ($919.1M vs $625.1M, roughly 1.5× WATTS WATER TECHNOLOGIES INC). WATTS WATER TECHNOLOGIES INC runs the higher net margin — 13.4% vs 9.8%, a 3.6% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs 1.4%). EnerSys produced more free cash flow last quarter ($171.3M vs $140.3M). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (4.6% CAGR vs 0.5%).
EnerSys is a stored energy systems and technology provider for industrial applications. The company manufactures reserve-power and motive-power batteries, battery chargers, power equipment, battery accessories and outdoor equipment enclosures.
AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO introduced the industry's first semi-instantaneous, tankless steam-to-water water heater. In 1988, AERCO introduced the first condensing and fully modulating...
ENS vs WTS — Head-to-Head
Income Statement — Q3 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $919.1M | $625.1M |
| Net Profit | $90.4M | $83.7M |
| Gross Margin | 30.1% | 49.5% |
| Operating Margin | 13.5% | 18.2% |
| Net Margin | 9.8% | 13.4% |
| Revenue YoY | 1.4% | 15.7% |
| Net Profit YoY | -21.3% | 24.0% |
| EPS (diluted) | $2.40 | $2.50 |
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 | $919.1M | $625.1M | ||
| Q3 25 | $951.3M | $611.7M | ||
| Q2 25 | $893.0M | $643.7M | ||
| Q1 25 | $974.8M | $558.0M | ||
| Q4 24 | $906.2M | $540.4M | ||
| Q3 24 | $883.7M | $543.6M | ||
| Q2 24 | $852.9M | $597.3M | ||
| Q1 24 | $910.7M | $570.9M |
| Q4 25 | $90.4M | $83.7M | ||
| Q3 25 | $68.4M | $82.2M | ||
| Q2 25 | $57.5M | $100.9M | ||
| Q1 25 | $96.5M | $74.0M | ||
| Q4 24 | $114.8M | $67.5M | ||
| Q3 24 | $82.3M | $69.1M | ||
| Q2 24 | $70.1M | $82.0M | ||
| Q1 24 | $60.9M | $72.6M |
| Q4 25 | 30.1% | 49.5% | ||
| Q3 25 | 29.1% | 48.8% | ||
| Q2 25 | 28.4% | 50.6% | ||
| Q1 25 | 31.2% | 48.8% | ||
| Q4 24 | 32.9% | 46.7% | ||
| Q3 24 | 28.5% | 47.3% | ||
| Q2 24 | 27.9% | 47.7% | ||
| Q1 24 | 27.9% | 46.9% |
| Q4 25 | 13.5% | 18.2% | ||
| Q3 25 | 9.7% | 18.2% | ||
| Q2 25 | 9.7% | 21.0% | ||
| Q1 25 | 13.5% | 15.7% | ||
| Q4 24 | 15.7% | 16.5% | ||
| Q3 24 | 11.2% | 17.1% | ||
| Q2 24 | 10.7% | 18.7% | ||
| Q1 24 | 8.9% | 16.9% |
| Q4 25 | 9.8% | 13.4% | ||
| Q3 25 | 7.2% | 13.4% | ||
| Q2 25 | 6.4% | 15.7% | ||
| Q1 25 | 9.9% | 13.3% | ||
| Q4 24 | 12.7% | 12.5% | ||
| Q3 24 | 9.3% | 12.7% | ||
| Q2 24 | 8.2% | 13.7% | ||
| Q1 24 | 6.7% | 12.7% |
| Q4 25 | $2.40 | $2.50 | ||
| Q3 25 | $1.80 | $2.45 | ||
| Q2 25 | $1.46 | $3.01 | ||
| Q1 25 | $2.39 | $2.21 | ||
| Q4 24 | $2.88 | $2.02 | ||
| Q3 24 | $2.01 | $2.06 | ||
| Q2 24 | $1.71 | $2.44 | ||
| Q1 24 | $1.48 | $2.17 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $450.1M | $405.5M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $1.9B | $2.0B |
| Total Assets | $4.0B | $2.9B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $450.1M | $405.5M | ||
| Q3 25 | $388.6M | $457.7M | ||
| Q2 25 | $346.7M | $369.3M | ||
| Q1 25 | $343.1M | $336.8M | ||
| Q4 24 | $463.2M | $386.9M | ||
| Q3 24 | $407.9M | $303.9M | ||
| Q2 24 | $344.1M | $279.4M | ||
| Q1 24 | $333.3M | $237.1M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | $1.1B | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | $802.0M | — |
| Q4 25 | $1.9B | $2.0B | ||
| Q3 25 | $1.9B | $2.0B | ||
| Q2 25 | $1.9B | $1.9B | ||
| Q1 25 | $1.9B | $1.8B | ||
| Q4 24 | $1.8B | $1.7B | ||
| Q3 24 | $1.8B | $1.7B | ||
| Q2 24 | $1.8B | $1.6B | ||
| Q1 24 | $1.8B | $1.6B |
| Q4 25 | $4.0B | $2.9B | ||
| Q3 25 | $4.1B | $2.7B | ||
| Q2 25 | $4.1B | $2.6B | ||
| Q1 25 | $4.0B | $2.5B | ||
| Q4 24 | $4.0B | $2.4B | ||
| Q3 24 | $4.0B | $2.4B | ||
| Q2 24 | $3.6B | $2.4B | ||
| Q1 24 | $3.5B | $2.3B |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | 0.57× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | 0.46× | — |
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 | $184.6M | $154.7M |
| Free Cash FlowOCF − Capex | $171.3M | $140.3M |
| FCF MarginFCF / Revenue | 18.6% | 22.4% |
| Capex IntensityCapex / Revenue | 1.4% | 2.3% |
| Cash ConversionOCF / Net Profit | 2.04× | 1.85× |
| TTM Free Cash FlowTrailing 4 quarters | $441.3M | $356.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $184.6M | $154.7M | ||
| Q3 25 | $218.0M | $122.4M | ||
| Q2 25 | $968.0K | $69.7M | ||
| Q1 25 | $135.2M | $55.2M | ||
| Q4 24 | $81.1M | $139.5M | ||
| Q3 24 | $33.6M | $90.7M | ||
| Q2 24 | $10.4M | $85.3M | ||
| Q1 24 | — | $45.6M |
| Q4 25 | $171.3M | $140.3M | ||
| Q3 25 | $197.1M | $110.9M | ||
| Q2 25 | $-32.1M | $59.5M | ||
| Q1 25 | $104.9M | $45.6M | ||
| Q4 24 | $56.8M | $127.5M | ||
| Q3 24 | $3.3M | $84.3M | ||
| Q2 24 | $-25.7M | $78.5M | ||
| Q1 24 | — | $35.5M |
| Q4 25 | 18.6% | 22.4% | ||
| Q3 25 | 20.7% | 18.1% | ||
| Q2 25 | -3.6% | 9.2% | ||
| Q1 25 | 10.8% | 8.2% | ||
| Q4 24 | 6.3% | 23.6% | ||
| Q3 24 | 0.4% | 15.5% | ||
| Q2 24 | -3.0% | 13.1% | ||
| Q1 24 | — | 6.2% |
| Q4 25 | 1.4% | 2.3% | ||
| Q3 25 | 2.2% | 1.9% | ||
| Q2 25 | 3.7% | 1.6% | ||
| Q1 25 | 3.1% | 1.7% | ||
| Q4 24 | 2.7% | 2.2% | ||
| Q3 24 | 3.4% | 1.2% | ||
| Q2 24 | 4.2% | 1.1% | ||
| Q1 24 | — | 1.8% |
| Q4 25 | 2.04× | 1.85× | ||
| Q3 25 | 3.19× | 1.49× | ||
| Q2 25 | 0.02× | 0.69× | ||
| Q1 25 | 1.40× | 0.75× | ||
| Q4 24 | 0.71× | 2.07× | ||
| Q3 24 | 0.41× | 1.31× | ||
| Q2 24 | 0.15× | 1.04× | ||
| Q1 24 | — | 0.63× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ENS
| Energy Systems | $399.5M | 43% |
| Motive Power | $352.0M | 38% |
| Services | $92.6M | 10% |
| Transferred Over Time | $38.2M | 4% |
| Other | $36.8M | 4% |
WTS
Segment breakdown not available.
