As an air to water monobloc heat pump, it operates effectively employing eco-friendly R290 refrigerant, providing sustainable heating with an impressive A+++ Vitality effectiveness rating. The Haier Air to H2o Heat Pump range works by using cost-free renewable energy from the outside air to be a heat source for space https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/