Description

Evacuated Tube Collectors (ETC) - High-Efficiency Solar Thermal Technology

Evacuated Tube Collectors (ETCs) represent the pinnacle of solar thermal technology, offering superior performance and reliability compared to traditional flat-plate collectors. These collectors are ideal for applications requiring high efficiency and consistent energy production, even in challenging environmental conditions.

Unmatched Efficiency & Performance:

• Vacuum Insulation: The heart of an ETC is its individual evacuated glass tubes. This vacuum eliminates convective and conductive heat loss, dramatically increasing efficiency compared to flat-plate collectors. This results in higher temperature gains and superior performance, even on cloudy days or in low-light conditions.
• All-Weather Performance: Unlike flat-plate collectors, ETCs are virtually unaffected by wind or ambient temperature fluctuations. Their vacuum insulation ensures consistent energy output, regardless of external conditions. This makes them particularly well-suited to areas with variable weather patterns.
• High-Temperature Capability: ETCs can reach significantly higher temperatures than flat-plate collectors, making them ideal for applications requiring hot water for industrial processes, or for integration with advanced solar thermal systems like absorption chillers.
• Longer Lifespan: The robust design and superior insulation minimizes material degradation, resulting in a considerably longer lifespan compared to flat-plate collectors – typically exceeding 25 years.

Key Features & Benefits:

• Superior Energy Yield: Increased efficiency translates to a higher energy yield, maximizing your return on investment.
• Reduced Energy Costs: Generate significant savings on your energy bills by harnessing the power of the sun.
• Environmentally Friendly: Reduce your carbon footprint by switching to a renewable energy source.
• Low Maintenance: The robust design and durable materials minimize the need for maintenance and repairs.
• Versatile Applications: Suitable for a wide range of applications, including domestic hot water heating, swimming pool heating, industrial process heat, and combined heat and power (CHP) systems.
• Aesthetically Pleasing: The sleek and modern design of ETCs complements any architectural style.

Technical Specifications (Vary by Model):

• Absorber Material: Typically selective coated copper or aluminum tubes for optimal light absorption.
• Tube Diameter & Length: Available in various sizes to optimize performance and space constraints.
• Vacuum Pressure: High vacuum ensures minimal heat loss.
• Operating Temperature: Capable of reaching high temperatures, depending on the application and system design.
• Pressure Rating: Designed to withstand the pressure of the circulating fluid.

Applications:

• Domestic Hot Water Heating: Provide hot water for homes and businesses with high efficiency.
• Swimming Pool Heating: Extend the swimming season and reduce energy costs associated with pool heating.
• Industrial Process Heat: Supply hot water or steam for various industrial processes.
• Solar Thermal Power Plants: Contribute to large-scale solar thermal energy generation.
• Combined Heat and Power (CHP) Systems: Generate both electricity and heat using solar energy.

Choosing the Right ETC System:

Selecting the appropriate ETC system requires careful consideration of your specific energy needs, available roof space, climate conditions, and budget. Consult with a qualified solar thermal installer to determine the optimal system for your application. We offer a range of models to meet various needs and budgets. Contact us today to discuss your project requirements.