Heat is taken with the air outside the house working with an exterior heat pump unit. That is transferred into your private home to deliver your heating. It is more uncomplicated to incorporate larger radiators or underfloor heating for the heat pump while you're extending your house or in a https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/