Prices as of 2026/10/30 close
Company comparison · Housing Equipment
Sanwa is the bigger company, with revenue of ¥660.7B — 1.4x Rinnai's ¥470.4B.
Sanwa earns more on each yen of sales, with an operating margin of 12.0% — 1.2 points above Rinnai (10.7%).
Revenue growth in the latest results: Rinnai +2.2%, Sanwa −0.3%. For next year, Sanwa guides for the fastest operating profit growth (+2.4%).
Over the past year the shares moved Rinnai +2.6%, Sanwa −6.2%.
Head-to-head wins14 metrics
One win per metric for the company with the best value. Metrics with no better or worse (P/E, average age, employees) are excluded.
ScaleInvestors
Sanwa aheadSanwa 3 : Rinnai 0
Revenue: Sanwa ¥660.7B / Rinnai ¥470.4B
ProfitabilityInvestors
Sanwa aheadSanwa 2 : Rinnai 0
Operating margin: Sanwa 12.0% / Rinnai 10.7%
GrowthInvestors
Rinnai aheadSanwa 2 : Rinnai 3
Revenue growth (YoY): Sanwa −0.3% / Rinnai +2.2%
Stock & balance sheetInvestors
EvenSanwa 1 : Rinnai 1
Share price, 1 year: Sanwa −6.2% / Rinnai +2.6%
Pay & workforceJob seekers
EvenSanwa 1 : Rinnai 1
Starting salary (monthly): Sanwa ¥289,200 / Rinnai ¥264,300
| Metric | Sanwa | Rinnai | Gap |
|---|---|---|---|
| Revenue | ◎¥660.7B | ¥470.4B | 1.4x |
| Operating profit | ◎¥79.1B | ¥50.5B | 1.6x |
| Net income | ◎¥59.8B | ¥36.2B | 1.7x |
| Metric | Sanwa | Rinnai | Gap |
|---|---|---|---|
| Operating margin | ◎12.0% | 10.7% | 1.2pt |
| Net margin | ◎9.0% | 7.7% | 1.4pt |
| Revenue per employee | — | ¥136M |
| Metric | Sanwa | Rinnai | Gap |
|---|---|---|---|
| Revenue growth (YoY) | −0.3% | ◎+2.2% | 2.5pt |
| Operating profit growth (YoY) | −1.8% | ◎+9.8% | 11.6pt |
| Revenue CAGRlast 5 years | ◎+9.1% | +6.4% | 2.7pt |
| Guidance: revenue growthnext FY plan | +2.5% | ◎+6.3% | 3.8pt |
| Guidance: op. profit growthnext FY plan | ◎+2.4% | −0.1% | 2.5pt |
| Metric | Sanwa | Rinnai | Gap |
|---|---|---|---|
| Share price, 1 year | −6.2% | ◎+2.6% | 8.8pt |
| Share price, 3 months | ◎−0.3% | −6.6% | 6.3pt |
| Share price (close) | ¥3,935 | ¥3,500 |
◎ marks the best value for each metric. Revenue and profit are from the latest full-year earnings release; share prices are closing-price references; P/E = latest close ÷ trailing EPS. For banks and some other financials, revenue means ordinary income.
| Metric | Sanwa | Rinnai | Gap |
|---|---|---|---|
| Average salary | — | ¥7.41M | |
| Starting salary (monthly) | ◎¥289,200 | ¥264,300 | ¥24,900 |
| Average tenure | 17.4 yrs | ◎19.2 yrs | 1.8 |
| Average age | 45.6 | 40.8 | 4.8 |
| Employees | 41 | 3,470 | 84.6x |
Average salary is for the reporting (parent) company and is affected by average age and job mix. Holding companies with few employees are left out of the salary comparison.
Close (Oct 30, 2026)
¥3,935-6.2% (1Y)
Sanwa -6.2% over 1Y. Compared: Rinnai +2.6%.
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Each line shows the % change from the start of the period. Updated Oct 30, 2026.
Sanwa4 segments
Rinnai6 segments
ARevenue in the latest results: Sanwa ¥660.7B, Rinnai ¥470.4B. Sanwa is the bigger company, with revenue of ¥660.7B — 1.4x Rinnai's ¥470.4B.
AOperating margins: Sanwa 12.0%, Rinnai 10.7%. Sanwa turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): Rinnai +2.6%, Sanwa −6.2%. Rinnai has risen the most.

Comparing 2 companies (up to 4)
Sources: earnings releases (kessan tanshin), annual securities reports and other public information. Share prices are closing-price references, not real-time. Our data may contain errors; investment decisions are your own responsibility.