... can accommodate tens of and hundreds of people.3.Suntask solar thermal collector, SCM, SFM, SR and SCM-U, a lot of ... .5.No harm, no pollution, saving and clean.SRCC Approved Solar Projects / Solar Swimming Pool / Space Heating1.Be used in split pressurized ... at operation. 2.Vacuum tube solar collector with 12-14mm diameter heat pipe head, which supply higher thermal efficiency. 3.No water ...