A heat therapy device including a care unit presenting a lying surface for supporting an infant, a hood (1) which is moveable between a closed position covering the care unit and an opened position clearing the top of the care unit, a radiation heating (4) arranged such that it can irradiate the lying surface in the opened position of the hood, a convection heating (2), and control units which are configured and arranged to control the operation of the radiation and convection heatings, wherein the control units are configured and arranged to control the operation of the convection heating (2) as a primary heating when the hood (1) is in the closed position and to control the operation of the radiation heating (4) as the primary heating when the hood is in the opened position.
