
Vacuum Tube Solar Collectors
Superior Performance in Cold and Cloudy Conditions
Durable, Frost-Resistant, and Long-Lasting Collector Tubes
Ideal for Areas with Variable Weather and Low Sunlight Availability
High-Efficiency Solar Heat Capture with Advanced Vacuum Insulation
Vacuum Tube Solar Collectors
Vacuum Tube Solar Collectors provide high efficiency and reliable solar thermal energy by using evacuated tubes to minimize heat loss. Their unique design ensures superior performance even in low light and cold weather conditions. These collectors are durable, frost-resistant, and ideal for residential and commercial water heating needs. Easy to install, maintain, and scalable, they offer excellent thermal insulation and fast heat transfer, making them perfect for energy-conscious applications.

High solar absorption with selective coating

Vacuum tubes reduce heat loss significantly

Frost-resistant for cold climates

Tempered borosilicate glass for durability

Efficient heat transfer via copper heat pipes

Suitable for roof or wall installation

Modular system easy to expand and maintain

Low maintenance with long lifespan

Eco-friendly and recyclable materials
Vacuum Tube Solar Collectors Overview
Technical Specifications
Model | VTS-150 | VTS-200 | VTS-300 |
---|---|---|---|
Collector Tube Quantity | 15 | 20 | 30 |
Tube Diameter (mm) | 58 | 58 | 58 |
Tube Length (mm) | 1800 | 1800 | 1800 |
Collector Aperture Area (m²) | 2.0 | 2.7 | 4.0 |
Heat Pipe Material | Copper | Copper | Copper |
Vacuum Pressure (Pa) | ≤ 0.1 | ≤ 0.1 | ≤ 0.1 |
Glass Type | Borosilicate tempered | Borosilicate tempered | Borosilicate tempered |
Absorber Coating | Selective coating | Selective coating | Selective coating |
Operating Temperature Range (°C) | -30 to 180 | -30 to 180 | -30 to 180 |
Maximum Working Pressure (bar) | 10 | 10 | 10 |
Weight (kg) | 25 | 33 | 45 |
Recommended Storage Tank Size (L) | 150 | 200 | 300 |
Installation Type | Roof / Wall Mount | Roof / Wall Mount | Roof / Wall Mount |


Key Features
Technical Specifications
- High-efficiency copper heat pipes
- Borosilicate tempered vacuum tubes
- Selective absorber coating for max heat
- Vacuum insulation ensures minimal heat loss
- Durable aluminum frame, corrosion resistant
Application Scenarios
- Residential water heating systems
- Commercial and industrial hot water supply
- Solar-assisted space heating
- Remote/off-grid water heating solutions
- Integration with heat pump or hybrid systems
Technical Diagrams

U-Tube Evacuated Solar Collector

Heat Pipe Evacuated Solar Collector

Heat Pipe Working Principle
