Global Water Heater Brands of 2026
A. O. Smith FY2025 sales $3.83bn; Rinnai ¥460.3bn (water heaters ~60%); Ariston €2.71bn. China: Haier share 32.5%; AVC 2024 retail CNY 53.2bn.
Main table: global water-heating OEM revenue
Compiled 2026-08-14. Ranked by latest full-year revenue at listed water-heating OEMs: A. O. Smith, Rinnai, and Ariston. Rheem, Bradford White and similar peers without a public water-heating split sit in the side table. Dishwashers: global dishwashers; washers: global washing machines; appliances: home appliances.
| # | Company | Revenue | USD equiv. | Note |
|---|---|---|---|---|
| 1 | A. O. Smith | $3.830bn | $3.830bn | FY2025; North America ~$2.984bn; Rest of World $880.4m |
| 2 | Rinnai | ¥460.3bn | ~$3.07bn | FY2025 (ended 2025-03-31); water-heater product line ¥277.73bn (~60%) |
| 3 | Ariston Group | €2.707bn | ~$2.9bn | FY2025 net revenue; +3.0% organic |
FX for ranking only: about JPY 150 = USD 1 and EUR 1 ≈ USD 1.08. Global water-heater market about $36.26bn in 2025 (Fortune Business Insights).
Main table: China water-heater market
FX used only for USD ranking: about CNY 7.2 = USD 1. Industry retail is gas + electric push totals.
| # | Scope | Figure | USD equiv. | Note |
|---|---|---|---|---|
| 1 | Haier · water-heater market share | 32.5% | — | 2025; Haier Smart Home annual report; industry No.1 |
| 2 | China water-heater all-channel retail sales | CNY 53.2bn | ~$7.4bn | 2024; AVC via TF Securities; +5.3%; volume 31.45m units |
| 3 | China gas water-heater retail sales | CNY 29.6bn | ~$4.1bn | 2024; AVC via Chinabaogao; +8.82% |
| 4 | China gas water-heater H1 retail sales | CNY 13.1bn | ~$1.8bn | H1 2025; AVC; +2.3% |
| 5 | China storage-electric H1 retail sales | CNY 10.6bn | ~$1.5bn | H1 2025; AVC; −1.0% |
| 6 | China water-heater Q1 retail sales | CNY 10.7bn | ~$1.5bn | Q1 2025; AVC via TF; +0.4% |
Haier’s annual report cites 32.5% water-heater share in 2025; its Q1 note cites AVC push-total share of about 40.9%. 2024 gas + electric retail about CNY 53.2bn.
Side table: channels and global size
| Cut | Figure | Scope |
|---|---|---|
| Gas online TOP3 (sales value) | Haier 25.8% / Midea 21.8% / Wanhe 11.2% | Q1 2025; AVC via TF Securities |
| Gas offline TOP3 (sales value) | A. O. Smith 14.5% / Wanhe 10.9% / Casarte 10.7% | Q1 2025; AVC via TF Securities |
| A. O. Smith China third-party sales | −12% | FY2025; Rest of World sales $880.4m (−4%) |
| Electric-storage offline share | Haier and Midea ahead of A. O. Smith | 2025; media relay of AVC |
| Global market 2025 / 2026 | $36.26bn / $38.02bn | Fortune Business Insights |
| Asia Pacific / China | APAC ~47%; China ~$7.06bn (2025) | Same |
| Peers (no public WH split) | Rheem, Bradford White, Bosch, NORITZ | FBI / MRFR player lists |
How we ranked
Main table one uses latest full-year revenue at A. O. Smith, Rinnai, and Ariston. Main table two uses Haier’s reported share and AVC China gas / electric retail. Side table covers channel TOP3, A. O. Smith China growth, and the FBI global market. Board defaults to S–D.
| Source | When | Used for |
|---|---|---|
| A. O. Smith · FY2025 results | 2026-01 | Sales $3.830B; NA $2.984B; RoW $880.4M; China third-party −12% |
| Rinnai · FY2025 results | 2025-05 | Net sales ¥460.3B; water-heater products ¥277.73B |
| Ariston · FY2025 results | 2026-03 | Net revenue €2,707m; +3.0% organic |
| Fortune Business Insights · Water Heater | 2026-07 | 2025 ~$36.26B; 2026 ~$38.02B; China ~$7.06B |
| Xinhua · Haier Smart Home 2025 AR | 2026-03 | Water-heater share 32.5% industry No.1 |
| Haier · Q1 2025 note | 2025-04 | Water-heater share 40.9% (AVC push total) |
| TF Securities · Wanhe initiation | 2025-08 | AVC: 2024 retail CNY 53.2bn; Q1 2025 CNY 10.7bn; gas channel TOP3 |
| Chinabaogao · gas water heaters | 2025-10 | 2024 gas retail CNY 29.6bn; H1 2025 CNY 13.1bn (AVC) |
| Haier Smart Home H1 2025 report | 2025-08 | H1 storage-electric CNY 10.6bn; gas CNY 13.1bn (AVC) |
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