This progressive design contains a assured Procedure range down to -25°C ambient temperature, when utilising the refrigerant properties of R290 to effectively accomplish superior drinking water temperatures as many as seventy five°C and a small GWP (Global Warming Likely). It is more simple to include bigger radiators or underfloor heating https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/