Swimming pool dehumidifier heat pump Without being affected by air. Works fine under minus degree. Swimming pool dehumidifier heat pumpHeating capacity(Kw): 51cooling capacity(Kw): 39dehumidify volume(L/H):30air volume(M3/H):7500air pressure(Pa) :400noise level(Db):60Refrigerant:R407C/R410/R417ARated current(A):9ARated voltage(V):380VRated frequency(Hz):50/60Heat exchanger:copper and ...