Variable-speed heat pumps have various pace alternatives, enabling them to adjust their output dependant on The existing temperature, leading to much more precise temperature Regulate and improved Power efficiency. Air source heat pumps use exactly the same type of engineering that keeps a fridge or freezer great – but in https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/