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

Download Button Group

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 efficiency

High solar absorption with selective coating

Vacuum insulation

Vacuum tubes reduce heat loss significantly

Frost resistant

Frost-resistant for cold climates

Durable glass

Tempered borosilicate glass for durability

Fast heat transfer

Efficient heat transfer via copper heat pipes

Flexible installation

Suitable for roof or wall installation

Modular design

Modular system easy to expand and maintain

Low maintenance

Low maintenance with long lifespan

Eco-friendly materials

Eco-friendly and recyclable materials

Vacuum Tube Solar Collectors Specifications

Vacuum Tube Solar Collectors Overview

Technical Specifications

Model VTS-150 VTS-200 VTS-300
Collector Tube Quantity152030
Tube Diameter (mm)585858
Tube Length (mm)180018001800
Collector Aperture Area (m²)2.02.74.0
Heat Pipe MaterialCopperCopperCopper
Vacuum Pressure (Pa)≤ 0.1≤ 0.1≤ 0.1
Glass TypeBorosilicate temperedBorosilicate temperedBorosilicate tempered
Absorber CoatingSelective coatingSelective coatingSelective coating
Operating Temperature Range (°C)-30 to 180-30 to 180-30 to 180
Maximum Working Pressure (bar)101010
Weight (kg)253345
Recommended Storage Tank Size (L)150200300
Installation TypeRoof / Wall MountRoof / Wall MountRoof / Wall Mount
Vacuum Tube Solar Collector Model VTS-150
Vacuum Tube Solar Collector Model VTS-300
Vacuum Tube Solar Collectors Features

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

Airflow & Internal Operation

U-Tube Evacuated Solar Collector

Key Components & Connections

Heat Pipe Evacuated Solar Collector

Key Components & Connections

Heat Pipe Working Principle

Key Components & Connections

Complete Evacuated Tube Solar Water Heater System (with Tank & Sensors)

Tank & Heat Exchanger
Outer Casing