BBCNEWS BBC News October 19, 2021 12:48:00
It is the 100% efficiency of the electric heating system. what a heat pump does, because it draws in heat from outside on the ground, you basically get a lot more energy out from the heat pump than you put in. in terms of running efficiencies, heat pump will give you 300 you 300 to 400 efficiency. what that means is your bills will be a third, sorry a third of the cost of an equivalent electricity bill. the value of the heat pump is they do use electricity, which come from renewable sources but they also use it extremely efficiently which results in a much lower running costs than using basic ...
Source: archive.org