Hi,   After all the recent hot weather, our house can hit 29degrees inside by the end of the day. Usual story of too much glazing. I've bought a sail shade to put up and cover 2 large windows/slider. But i'm wondering if I can use our UFH to cool the floor too?   My set up is a Vaillant GSHP, connected to a 300L buffer tank for the UFH. There are 8 zones split between 2 manifolds, 1 up and 1 down. These are controlled with Heatmiser Neo stats. I've turned the heating function