#$%^&*AU2014202970B220180426.pdf#####Abstract A solar heat collector includes a heat collecting board, a solar radiation absorbing layer provided at one surface in a thickness direction of the heat collecting board, and a low emissivity and low solar reflectance layer provided at one surface in the thickness direction of the solar radiation absorbing layer.L J FIG. 1 upper side left right side + side Y4 lower side I3 FIG. 2 rear side left right side side f ront side 20 18 7 15 22-22 14 A 8 228 B-