Our brochures are in .pdf structure and accessible to browse digitally, if you prefer to a printed copy be sure to don't hesitate to have in contact with our pleasant customer service workforce. Air source heat pumps use the identical sort of know-how that retains a fridge or freezer awesome https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/