“The best way to save money with radiators is by making sure that they are working efficiently, not blocked by furniture, and that they have been bled at least once a year,” the expert from Land of Rugs says.
Article source: https://www.huffingtonpost.co.uk/entry/sorry-this-popular-radiator-hack-isnt-saving-you-any-money_uk_63f74c8ce4b0616708dfdf4b