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Solar Water Heaters
Engineered for Tomorrow

HaiYan ReDao New Energy Co., Ltd – trusted manufacturer since 2000, delivering high-efficiency solar thermal solutions worldwide.

Who We Are

Pioneers in Solar Thermal Technology

HaiYan ReDao New Energy Co., Ltd was founded in 2000 and specializes in the production of solar water heaters. With over two decades of experience, we have evolved into a leading manufacturer known for innovation, durability, and energy efficiency.

Our dual identity includes Jiaxing Linkai Import and Export Co., Ltd, enabling us to serve global markets with seamless logistics and customer support. We are committed to advancing renewable energy adoption through reliable, cost-effective solar heating systems.

  • Established in 2000 – 24+ years of expertise
  • Integrated R&D, manufacturing, and export operations
  • Global distribution network across 50+ countries
  • ISO-certified quality management systems
24+

Years in Industry

50+

Countries Served

10M+

Units Delivered

98%

Customer Satisfaction

Our Products

Discover our range of high-performance solar water heaters designed for residential, commercial, and industrial applications. Built with advanced materials and precision engineering for maximum efficiency and longevity.

Flat Plate Collector

High-efficiency thermal absorption with durable copper tubing and selective coating.

  • Efficiency: Up to 75%
  • Pressure: 6 bar max
  • Material: Copper + Aluminum
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Evacuated Tube Solar Heater

Ideal for cold climates with superior insulation and year-round performance.

  • Tubes: 18–30 units
  • Temp: Up to 95°C
  • Vacuum: Double-layer borosilicate
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Residential Solar System

Complete rooftop solution for homes with 3–6 people.

  • Capacity: 150–300L
  • Collector Area: 2–4 m²
  • Installation: Roof-mounted
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Commercial Solar System

Scalable systems for hotels, hospitals, and large facilities.

  • Capacity: 500–5000L
  • Modular Design: Expandable
  • Control: Digital monitoring
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Direct Flow System

Simple, cost-effective design with direct water flow through collectors.

  • Flow Type: Thermosiphon
  • Climate: Warm & Sunny
  • Maintenance: Low
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Anti-Freeze Indirect System

Perfect for freezing climates using heat exchanger technology.

  • Fluid: Propylene glycol
  • Protection: Down to -25°C
  • Pump: Circulating with controller
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Industrial Process Heating

High-volume systems for manufacturing and processing plants.

  • Temp Range: 60–90°C
  • Integration: With existing boilers
  • Savings: Up to 60% fuel reduction
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Hybrid Solar-Electric Heater

Combines solar with electric backup for uninterrupted hot water.

  • Backup: 1500–3000W element
  • Controller: Smart auto-switch
  • Efficiency: 80% solar reliance
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Solar Pump Station

Precision circulation pumps with digital controllers and sensors.

  • Power: 24V DC / 220V AC
  • Flow Rate: 20–60 L/min
  • Protection: Dry-run & overheat
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Digital Controller Unit

Advanced monitoring with LCD display, timers, and safety alerts.

  • Display: Backlit LCD
  • Functions: Temp, timer, error codes
  • Compatibility: All system types
View Details

Why Choose Us?

Durability Guaranteed

Our systems are built with corrosion-resistant materials and tested under extreme conditions for long-term reliability.

High Energy Efficiency

Advanced collector designs ensure maximum solar absorption and minimal heat loss, even in low-light conditions.

Global Compliance

Products meet international standards including CE, ISO, and national certifications for safety and performance.

Easy Installation

Modular components and clear manuals make setup fast and hassle-free for professionals and DIYers alike.

Cost Savings

Reduce energy bills by up to 80% annually with free solar heating – payback period as low as 3–5 years.

Dedicated Support

Our export team provides technical assistance, spare parts, and after-sales service in multiple languages.

Frequently Asked Questions

What is the lifespan of your solar water heaters?

Most of our systems last 15–20 years with proper maintenance. Collectors typically outlast storage tanks, which can be replaced independently.

Can your systems work in cold or cloudy climates?

Yes. Our evacuated tube and indirect systems are designed for cold regions and perform well even with limited sunlight.

Do you offer OEM/ODM services?

Yes, we provide full OEM and ODM support including custom branding, packaging, and technical modifications.

What is your average delivery time?

Standard orders are processed within 15–20 days after confirmation. Bulk shipments may vary based on container availability.

Are installation manuals available in English?

Yes, all technical documentation, including manuals, spec sheets, and certificates, are provided in English and other major languages.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to connect with our team.

Phone

+0086-0573-86615338

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