[Calpak VTN Vacuum Tube Collector] The European choice when supreme efficiency is asked!

[Calpak VTN Vacuum Tube Collector] Highly efficient evacuated tube collector with parabolic reflector for maximum energy yield even under diffused radiation conditions! Calpak, having a 35 year experience in the design and production of high quality and robust collectors, offers a high efficient evacuated tube collector for exceptional performance. Our VTN collector is specially designed to combine: • Very long service life • Durability • High performance in environments that weather conditions are not favourable for such applications, when for example solar radiation is not in abundance or the...