... installation 3.High efficient heat exchanger 4.safe and quite FAN COILHeatling capacity :2.15 - 14kW Features:Modeling shallow, artistic generosity ... : A new round of centrifugal wind, running quiet, Safe, reliable, long-lasting: each coil have been pressure tested ... wind speed (high, medium, low , simple operation, easy to use. Fan Coil,cooling fan coil,radiation fan coil