Refrigeration units needs to be leak-checked at set up and during Each and every assistance contact. Packaged heat pumps are billed with refrigerant on the manufacturing unit and are rarely improperly charged. Split-system heat pumps, Alternatively, are billed in the sector, that may from time to time bring about either https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/