To get the very best out of your heat pump, You will need to learn how to use it most effectively. Normally, You will need to set your heating to return on for more time than with a standard method. Your installer must demonstrate how to control your heat pump https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/