In the dry method, this heat is circulated as heat air by ducts and vents. Air-to-air heat pumps can circulate both hot or cold air. The ECOMOD 290HT selection of monobloc air source heat pumps come in 3 chassis measurements and 5 outputs: 15kW, 18kW, 27kW, 40kW and 50kW. R290 https://bookmarkspiral.com/story20480164/the-best-side-of-r290-air-source-heat-pump