The Vaillant auroTHERM exclusiv vacuum tube solar collector combines top efficiency, elegant design and easy installation. Its compact construction with the slim tubes enables its harmonious integration in different roof forms. The matching product design engenders appealing, homogeneous collectors fields that present a visually integrative and attractive element on the roof surface. The compact dimensions and light weight of the collectors, together with the assembly system that is identical for all Vaillant solar collectors, enables easy, fast and safe installation.