In the dry system, this heat is circulated as warm air by way of ducts and vents. Air-to-air heat pumps can flow into either very hot or chilly air. The ECOMOD 290HT variety of monobloc air source heat pumps are available three chassis measurements and five outputs: 15kW, 18kW, 27kW, https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/