Water heater manufacturers in Southeast Asia give importers a practical alternative to single-country sourcing. This guide profiles five homegrown brands from Vietnam and Malaysia, compares their product ranges and export experience, and walks through the OEM process step by step. We ranked each company on Southeast Asian origin, product range, certifications and OEM flexibility. SONHA Water Heater is our brand; we explain our selection criteria below the list.
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At a glance The 5 water heater manufacturers in Southeast Asia below are
Numbers in this list show position only. Each profile uses the same structure so you can compare suppliers side by side. |
1. Top 5 Water Heater Manufacturers in Southeast Asia
The 5 profiles below cover locally owned water heater manufacturers from Southeast Asia. Each profile uses the same fields: headquarters, founding year, water heater range, export markets and the buyers it suits best. Use them together with the comparison table in Section 2 to build your supplier shortlist.
1.1. SONHA Water Heater (Vietnam)
SONHA Water Heater is the water heater business of SONHA Group, a Vietnamese manufacturer founded in 1998. We started making water heaters in 2016. Among water heater manufacturers in Vietnam, we focus on export builds: storage, instant and heat pump models made in our own factory. Every unit passes a 100% electrical safety test before packing and carries a QC Pass label. Our water heater factory operates under ISO 9001:2015, certified by TÜV NORD.
- Headquarters: Hanoi, Vietnam
- Founded: 1998 (water heaters since 2016)
- Water heater range: storage, large-capacity storage, instant and heat pump water heaters, listed in the product table below.
- OEM/ODM: packaging and label design, private label, trial orders, small and mid-size orders. Lead time is 30–45 days for standard products and 45–60 days for OEM/ODM projects.
- Key specifications:
- 10+ years manufacturing
- 4,880 m² production area in Vietnam
- 5+ export markets across Asia, North America, Africa and Australia
- 1M+ units of annual capacity
- International certifications: CB, CE and international standards
- Export markets: Asia, North America, Africa and Australia
- Suited to: importers and distributors who need market-specific builds, such as 110 V units for Mexico, in flexible quantities
| Type | Capacity | Rating | Key features |
|---|---|---|---|
| Storage water heater | 15–30 L | 2,500 W | Enamel-coated tank, Incoloy 840 heating element, ELCB protection, PU foam insulation |
| Large-capacity storage water heater | 50 / 80 / 100 L | 220–230 V or 110–127 V | Rated to 0.75 MPa, temperature gauge |
| Instant water heater | Tankless (on demand) | 4,500 W | With or without booster pump, ELCB protection, IPX4 |
| Heat pump water heater | 200 – 270 L (all-in-one); 160–300 L (split system) | R290 refrigerant | All-in-one unit or split system |
Ready to brief us on a private label line? Work with us as your OEM water heater manufacturer and our export team will scope a trial order with you.
1.2. Joven (Malaysia)
Joven is one of the established water heater manufacturers in Malaysia, based in Shah Alam, Selangor, and focuses on instant and storage water heaters for tropical homes. The company has made water heaters in Malaysia since 1983 and holds ISO 9001 certification.
- Headquarters: Shah Alam, Selangor, Malaysia
- Founded: 1983
- Water heater range: instant water heaters, storage water heaters and water purifiers
- Export markets: Indonesia, Singapore, Thailand, Sri Lanka, Hong Kong, the Philippines and Vietnam (as listed in Malaysia’s 2011–2013 exporters directory)
- Suited to: distributors in tropical markets that want both instant and storage models from one supplier
1.3. Pacific Engineering Sdn BhD – PECOL (Malaysia)
Pacific Engineering Sdn Bhd is a Malaysian manufacturer in Petaling Jaya, Selangor, that sells electric storage water heaters and energy-saving hot water systems under the PECOL brand. The company was established in 1968 and lists export markets including China, Indonesia, the Maldives, the Philippines, Singapore, Thailand and Vietnam.
- Headquarters: Petaling Jaya, Selangor, Malaysia
- Founded: 1968
- Water heater range: electric storage water heaters and energy-saving hot water systems
- Export markets: China, Indonesia, the Maldives, the Philippines, Singapore, Thailand and Vietnam
- Suited to: buyers sourcing storage water heaters and hot water systems for residential or project use
1.4. Centonia Industries – CENTON (Malaysia)
Centonia Industries is a Malaysian manufacturer in Klang, Selangor, that specializes in instant water heaters sold under the CENTON and LECSTON brands. The company was established in 1995, holds ISO 9001 and ISO 14001, and lists export markets including Ecuador and Chile.
- Headquarters: Klang, Selangor, Malaysia
- Founded: 1995
- Water heater range: instant water heaters, accessories and shower panel heaters
- Export markets: Ecuador, Chile, the Philippines, Singapore, Thailand, Vietnam, Cambodia and Sri Lanka (2011–2013 directory)
- Suited to: buyers who only need instant water heaters, including for South American markets
1.5. Beebull Engineering – BEEBEST (Malaysia)
Beebull Engineering is a Malaysian manufacturer in Shah Alam, Selangor, that produces electric instant water heaters under its BEEBEST brand and for OEM customers. Beebull Engineering was established in 1994, holds ISO 9001 and SIRIM certification, and lists OEM as one of its brand names.
- Headquarters: Shah Alam, Selangor, Malaysia
- Founded: 1994
- Water heater range: electric instant water heaters and shower accessories; the directory also lists a “storage unit” without further detail
- OEM/ODM: OEM listed
- Export markets: Singapore, Thailand, Vietnam, Indonesia, Sri Lanka and Peru (2011–2013 directory)
- Suited to: buyers who want instant water heaters produced under their own label
2. Southeast Asia Water Heater Manufacturers Compared
Choose a Southeast Asia water heater manufacturer by product type first, then by OEM terms. Instant-only suppliers fit tropical bathrooms, while storage and heat pump suppliers fit whole-home and colder-season demand. The table uses only the facts in the profiles above.
| Manufacturer | Country | Founded | Main water heater types | OEM / private label | Suited to |
|---|---|---|---|---|---|
| SONHA Water Heater | Vietnam | 1998 (water heaters since 2016) | Storage 15–100 L, instant, heat pump | Yes | Market-specific builds, flexible quantities |
| Joven | Malaysia | 1983 | Instant, storage | Not publicly stated | Tropical markets needing both types |
| PECOL (Pacific Engineering) | Malaysia | 1968 | Storage, hot water systems | Not publicly stated | Storage and project supply |
| CENTON (Centonia Industries) | Malaysia | 1995 | Instant | Not publicly stated | Instant-only buyers |
| BEEBEST (Beebull Engineering) | Malaysia | 1994 | Instant | OEM listed | Instant units under your own label |
Buyers who need electric storage water heaters with private label support should start with suppliers that publish OEM terms. Buyers who only need instant water heaters can compare the Malaysian specialists on certifications and export history.
3. How We Selected These Southeast Asian Water Heater Manufacturers?
We selected each Southeast Asia water heater manufacturer on four criteria: Southeast Asian origin, product range, certifications, and OEM flexibility. The order reflects fit for importers and distributors who need flexible OEM support, not revenue or output volume. A larger supplier may suit a different buyer better.
- Southeast Asian origin: the brand and parent company come from Southeast Asia and manufacture in the region. Plants owned by groups from outside the region are excluded.
- Product range: we looked at instant, storage and heat pump coverage.
- Certifications: storage models fall under IEC 60335-2-21; heat pump models, including sanitary hot water heat pumps, fall under IEC 60335-2-40. CB and CE certificates and ISO 9001 also count.
- OEM flexibility: private label, trial orders and acceptance of small and mid-size orders.
4. Why Source from a Water Heater Manufacturer in Southeast Asia?
Sourcing from a water heater manufacturer in Southeast Asia offers several key advantages for importers:
- Supply chain diversification: Helps importers diversify supply beyond a single country while retaining access to products designed for hot climates.
- Flexible order volumes: Regional manufacturers in Vietnam and Malaysia combine export experience with flexible order sizes, ideal for distributors building volume in new markets.
- Proximity and convenience: Short travel distances make factory audits and sample reviews simpler for buyers.
- For buyers in markets that apply high duties to goods made in China, a Southeast Asian water heater supplier may also offer a duty advantage. Check current rules with your customs broker.
5. Frequently Asked Questions
5.1. Which water heater manufacturers are based in Southeast Asia?
Locally owned water heater manufacturers in Southeast Asia include SONHA Water Heater in Vietnam and Joven, PECOL, CENTON and BEEBEST in Malaysia. SONHA Water Heater covers storage, instant and heat pump models, while the Malaysian companies focus mainly on instant and storage units. Compare them in the table above by product type and OEM support.
5.2. Is Vietnam a good place to source OEM water heaters?
Vietnam can be a good source of OEM water heaters if the factory holds the right certifications and runs consistent quality control. Check for CB and CE certificates, ISO 9001 and 100% electrical testing, and ask for a factory audit. At SONHA Water Heater, we test every unit before packing and accept trial orders.
5.3. What certifications should a Southeast Asia water heater supplier have?
A Southeast Asia water heater supplier should hold IEC 60335-1 plus the part for each product type: IEC 60335-2-21 for storage, IEC 60335-2-35 for instant and IEC 60335-2-40 for heat pumps. CB and CE certificates, national marks for your market and ISO 9001 for the factory complete the set.
5.4. What is a typical MOQ for OEM water heaters?
MOQ for OEM water heaters depends on the model, the product type and how much you customize. A label or packaging change usually needs a lower quantity than a new design or mold. Many regional manufacturers accept trial orders, so ask each supplier for MOQ per model and per customization level.
5.5. How long does an electric water heater last?
An electric tank water heater typically lasts 8–12 years and can reach 15 years or more with proper maintenance. Tank coating, heating element material and anode rod condition all affect service life, so ask suppliers about tank construction and spare parts availability before you order.
5.6. Does SONHA Water Heater make 110V water heaters for OEM projects?
Yes. Our Daria Max storage water heaters come in 50, 80 and 100 L sizes with a 110–127 V version for markets such as Mexico. We offer OEM and ODM, private label and trial orders, with a lead time of 45–60 days for OEM/ODM projects.
Contact SONHA Water Heater’s export team at:
- Email: export@sonha.com.vn
- WhatsApp: +84 983 604 297.
