Being an air to h2o monobloc heat pump, it operates successfully utilizing eco-pleasant R290 refrigerant, giving sustainable heating with a formidable A+++ Electricity performance ranking. You'll need Room - outdoors for the pump and inside for any drinking water storage tank. Some heat pumps could also will need an indoor https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/