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Wangao Energy Factory

OEM Heat Pump Buffer Tanks Designer & Manufacturer

Provide global solutions for clean hot water and heating systems with premium stainless steel thermal storage.

Changzhou Wangao Energy Technology Co., Ltd.

Located in Changzhou City, Jiangsu Province — an industrial hub in the Yangtze River Delta of China — we are a leading one-stop high-tech enterprise specializing in solar energy, air energy, and multi-energy stainless steel pressure heat storage tanks.

With over 15 years of production experience, we are committed to delivering premium security solutions at competitive prices. Our mission is to become a supporting expert for clean thermal energy systems worldwide.

We focus on solar, air-source heat pumps, heating stoves, and other new energy applications, offering a complete product range and industrial chain integration.

Know More
Wangao Energy Facility
15+
Years of Experience

Our Premium Products

High-quality stainless steel buffer tanks and thermal storage solutions for solar, heat pump, boiler, and commercial applications.

Heat Pump Water Buffer Tank

Heat Pump Water Buffer Tank

100L–500L, SUS304/316, for household heating & cooling systems

  • • Stainless steel construction
  • • Compatible with air-source heat pumps
  • • Efficient hot water storage
Wall Mounted Heat Pump Water Heater

50L Wall Mounted Heat Pump Water Heater

SUS304/316/Duplex, with hanger, all-in-one design

  • • Compact wall-mounted design
  • • Ideal for residential use
  • • Gas storage & buffer function
Electric Hot Water Heater Tank

Freestanding Electric Hot Water Heater

100L–150L, with controller, stainless steel

  • • Plug-and-play electric boiler
  • • Integrated digital controller
  • • Durable SUS304 tank
Double Coil Water Tank

Double Coil Water Tank

High-pressure buffer tank with dual heat exchanger coils

  • • Dual coil for multiple heat sources
  • • Ideal for hybrid systems
  • • 100L–1000L capacity
Split Pressure Tanks for Solar

Split Pressure Tanks for Solar Collectors

OEM design, high-pressure resistance, corrosion-resistant

  • • Designed for solar thermal systems
  • • Seamless integration
  • • Long-term durability
Module Water Tanks

Module Water Tanks

For hospitals, hotels, schools – scalable hot water storage

  • • Modular design for scalability
  • • Commercial-grade performance
  • • Fast installation

Single Coil Water Tank

100L–1000L, SUS304, with internal heat exchanger

  • • Efficient heat transfer
  • • Low maintenance
  • • Suitable for solar & heat pumps

Chilled & Hot Water Buffer Tank

Dual-function thermal storage for HVAC systems

  • • For heating and cooling cycles
  • • Stabilizes system pressure
  • • Reduces compressor cycling

Why Choose Wangao Energy?

Engineered for performance, durability, and global compliance.

Quality Certified

ISO9001, ISO14000, CCC, CE, TUV certified for global standards compliance.

15+ Years Experience

Over a decade of expertise in stainless steel thermal storage manufacturing.

Fast Response

Complete product specs and quick turnaround for OEM & bulk orders.

24/7 Support

Dedicated pre- and post-sales team available around the clock.

Our Commitment to Excellence

15+
Years in Industry
Global
Export to 50+ Countries
OEM/ODM
Custom Solutions Available

Frequently Asked Questions

Why does dual supply require a buffer water tank?

A buffer tank stabilizes temperature and pressure in dual-energy systems (e.g., solar + heat pump), improving efficiency and reducing equipment wear.

Are your tanks suitable for both heating and cooling?

Yes, our chilled & hot water buffer tanks are designed for HVAC systems that require thermal storage for both heating and cooling cycles.

Do you offer custom OEM designs?

Absolutely. We specialize in OEM/ODM services with custom sizing, branding, and technical specifications to meet your market needs.

What certifications do your products have?

Our products are certified with ISO9001, ISO14000, CCC, CE (EU), and TUV (Germany), ensuring compliance with international safety and quality standards.

Get in Touch

Reach out for product inquiries, OEM collaboration, or technical support.

Location

No. 217, Mount Huangshan Road, Xinbei District, Changzhou City, Jiangsu Province, China

WhatsApp

+86 15995313157

Working Hours

Monday – Sunday: 8:00 AM to 10:30 PM (CST)

Contact Us

For inquiries, quotes, or technical support, please visit our official website to send a message.

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