ASHP are claimed to be healthier than fossil-fuelled heating which include gas heaters by retaining a more even temperature and averting harmful fumes possibility. The refrigerant within an air-source heat pump absorbs heat from your out of doors air and turns right into a fuel as a result of evaporation. https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/