Evacuated tube collectors are the highest efficiency solar thermal collectors. Although evacuated tube collectors are more efficient than conventional flat plate collectors, they cost approximately twice as much per square foot.

Helvetic Solar Contractors offers highest quality evacuated tube collectors, which are able to generate heat through the coldest of winters, even under overcast conditions, thanks to superior insulation. They consist of two layers of extremely durable borosilicate glass which maintain a vacuum in between that acts as a superb insulator.

Helvetic Solar Contractors evacuated tube collectors solar water heating systems that include evacuated solar tube collectors, separate storage tanks and other auxiliary components. These auxiliary parts consist of electric controllers, pumps and valves which are used to circulate water or other heat-transfer fluids through the collectors.

Feature

1. High efficiency: Employ the evacuated solar tube collector which adopts the diathermanous fins with rapid diathermanous speed and patented interferential and film-plating technology leading in the world, which has the advantages such as high heat collection temperature and rapid diathermancy. 

2. High reliability: The solar vacuum tube does not have water in it, and is not susceptible to scale build up. The system has strong anti-freezing capability and can operate even if in the unlikely event of a tube breakage. 

3. Pressure-bearing operation: High pressure-bearing technology does not limit the installation height. Heated water operates under high pressure and flow rates. 

4. Easy building integration: The evacuated tube collectors are separate from the water tank and the tubes can blend into a building's architectural form.

5. Optimized appearance design: The system is streamlined for form but not at the expense of functionality. 

6. Customer-designed water heating system: Can be custom designed to fit your commercial or residential needs. 

7. Operate all year round.

Application

1.Helvetic Solar Contractors split series evacuated tube collectors are suitable for year-round water heating systems. They can be combined with existing electrical or gas water heaters. Solar water heating systems preheat cold water and existing heaters work as a backup. 

2. Can be used to constitute large scale solar water heating systems in residential or commercial buildings.