Pay out the remaining charges: Your Bill will present the government grant previously utilized, consequently you are going to only ever spend the rest. Working with electrical energy, the pump compresses the liquid to raise its temperature. It then condenses back again into a liquid to launch its saved heat. https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/