Having a GWP of only three, R290 would be the environmentally friendly substitute to other refrigerants emphasising Haier’s commitment to establishing alternatives for a more sustainable long run. It is much more uncomplicated to incorporate larger radiators or underfloor heating to get a heat pump while you're extending your house https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/