Watch Guy Martin's House Without Bills

Guy's rolling up his sleeves as he explores how to make your home cheaper to heat. Using all his engineering experience, can Guy make energy bills a thing of the past?. He will start by looking at insulation and banishing those drafts with the aid of an air tester. Nothing is left to chance with triple-glazing, solar panels, battery storage and even the unfairly maligned 'Heat Source Pumps'.