With a GWP of only 3, R290 would be the eco-friendly substitute to other refrigerants emphasising Haier’s motivation to acquiring alternatives for a far more sustainable future. Having a heat pump implies you may be part of a heat pump tariff! Our heat pump tariffs are built to save you https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/