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Sunnergy Logo Sunnergy

Sunnergy
Power Your Life with Solar

Changzhou Sunnergy Energy Technology Co., Ltd. is a leading manufacturer of solar water heaters, solar collectors, and renewable energy systems. With ISO9001, CE, SOLAR KEYMARK, SRCC, and SGS certifications, we deliver high-efficiency, durable, and eco-friendly solar solutions worldwide.

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Why Choose Sunnergy?

Our enterprise takes quality as its base and customer satisfaction as our aim. We continuously develop new products and styles, making full use of internationally advanced solar production technology to enhance your life with clean, renewable energy.

Specializing in the research, development, production, and sale of solar water heaters, solar collectors, solar lights, and wind generators, Sunnergy closely follows international market trends. Backed by superior talent and scientific research, our products are continuously upgraded.

ISO9001:2000 CE Certified SOLAR KEYMARK SRCC SGS Verified
Solar Installation

Our Solar Products

From compact home systems to large-scale project installations, Sunnergy offers a complete range of high-efficiency solar water heating solutions.

Compact Pressurized Stainless Steel Solar Water Heater

  • Inner Tank: SUS304-2B stainless steel (1.0–1.2mm)
  • Outer Tank: SUS304-2B stainless steel (0.4mm)
  • Evacuated Tubes: Magnetic-controlled Al-N-Al splash
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Compact Pressurized Galvanized Steel Solar Water Heater

  • Inner Tank: SUS304-2B stainless steel (1.0–1.2mm)
  • Outer Tank: Galvanized steel (0.4mm)
  • Fast heat absorption with advanced evacuated tubes
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Compact Unpressurized Stainless Steel Solar Water Heater

  • External Tank: OD470mm, SUS304-2B (0.4–0.5mm)
  • Internal Tank: OD360mm, SUS304-2B (0.4mm)
  • Frame: Stainless steel 1.2mm, 10–36 vacuum tubes
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Compact Unpressurized Galvanized Steel Solar Water Heater

  • External Tank: Galvanized steel (0.4–0.5mm)
  • Internal Tank: SUS304-2B stainless steel (0.4mm)
  • Frame: Stainless steel 1.2mm, OD58mm x 1800mm tubes
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100–500L Split Solar Water Heater (Home Use)

  • Capacity: 100L–500L
  • Collector: Heat pipe or flat plate
  • Includes pump, expansion tank, controller
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1000–5000L Split Solar System (Project)

  • Applications: Schools, Hotels, Farms, Greenhouses
  • Capacity: 1000L–5000L
  • Heat pipe or flat plate collector options
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Blue Titanium Flat Plate Solar Collector

  • Absorber: Blue Titanium coating
  • Frame: Golden, Black, Silver options
  • 97% heat collection rate, 3% reflection rate
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Balcony Flat Plate Solar System

  • Designed for apartment balcony installation
  • Low-iron tempered glass (3.2mm)
  • Black Chrome / Blue Titanium coating for high efficiency
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Key Advantages

High Efficiency

Advanced absorber coatings and evacuated tube technology ensure maximum solar heat capture.

Durable Materials

SUS304 stainless steel tanks and corrosion-resistant frames ensure long-term reliability.

Eco-Friendly

Reduce carbon footprint and energy bills with clean, renewable solar thermal energy.

Easy Installation

Modular designs and clear instructions make setup fast and hassle-free.

Trusted by Customers Worldwide

15+
Years Experience
50+
Countries Served
100K+
Units Installed
98%
Customer Satisfaction

Frequently Asked Questions

How does a solar water heater work?

Solar water heaters use solar energy to generate heat (not electricity). Due to the higher density of cold water, it flows downward while hot water rises, creating natural circulation.

Are Sunnergy products certified?

Yes. Our products meet international standards including ISO9001:2000, CE, SOLAR KEYMARK (EN12975), SRCC, and SGS certifications.

Can I install a system in an apartment?

Yes. Our Balcony Flat Plate Solar System is specifically designed for apartment installations with minimal space requirements.

What maintenance is required?

Sunnergy systems are low-maintenance. Periodic inspection of tubes, tanks, and connections is recommended for optimal performance.

Get in Touch

For inquiries, quotes, or technical support, contact Sunnergy today.

Phone & WhatsApp

  • Tel: +86-519-85606259
  • Fax: +86-519-85606275
  • WhatsApp: +86-135-8432-6219
  • WhatsApp: +86-138-1504-4097

Email

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