An energy expert claims he has calculated the exact day you should switch on your central heating this Autumn – Monday October 13. Les Roberts, business energy expert at Bionic, said: “Forecasts show temperatures dipping to 15 degrees from October 13, aligning with NHS guidance that homes should be heated when outdoor temperatures fall below this […] © 2021 HomeOwners Alliance Ltd | This post Exact day to switch on central heating appeared first on HomeOwners Alliance.